Y\u00fcksek Bas\u0131n\u00e7 Vanas\u0131 \u00c7in<\/h2>\n\n\n\nY\u00fcksek Bas\u0131n\u00e7l\u0131 Metal K\u00fcresel Vana<\/mark><\/a><\/strong> \u2013 \u00c7in'den \u00dcreticiler, Tedarik\u00e7iler, Fabrika<\/h3>\n\n\n\nM\u00fc\u015fteri gereksinimlerini en iyi \u015fekilde kar\u015f\u0131lamak amac\u0131yla, Y\u00fcksek Bas\u0131n\u00e7l\u0131 Metal K\u00fcresel Vana, Pn\u00f6matik D\u00f6k\u00fcm \u00c7elik K\u00fcresel Vana, Pn\u00f6matik D\u00f6vme i\u00e7in t\u00fcm operasyonlar\u0131m\u0131z kesinlikle \u201cY\u00fcksek Y\u00fcksek kalite, Rekabet\u00e7i Fiyat, H\u0131zl\u0131 Hizmet\u201d slogan\u0131m\u0131z do\u011frultusunda ger\u00e7ekle\u015ftirilir. \u00c7elik K\u00fcre Vana, Y\u00fczer K\u00fcresel Vana, S\u00fcrg\u00fcl\u00fc Vana. Art\u0131k \u00c7in'in her yerindeki y\u00fczlerce fabrikayla derin bir i\u015fbirli\u011fimiz var. Verdi\u011fimiz mallar farkl\u0131 \u00e7a\u011fr\u0131lar\u0131n\u0131zla e\u015fle\u015febilir. Bizi se\u00e7in, sizi pi\u015fman etmeyece\u011fiz! \u00dcr\u00fcn Avrupa, Amerika, Avustralya, \u00c7ek Cumhuriyeti, Ermenistan, Panama, Hollanda gibi d\u00fcnyan\u0131n her yerine tedarik edilecek. Kalk\u0131nma stratejimizin ikinci a\u015famas\u0131n\u0131 ba\u015flataca\u011f\u0131z. \u015eirketimiz \u201cmakul fiyatlar, verimli \u00fcretim s\u00fcresi ve iyi sat\u0131\u015f sonras\u0131 hizmet\u201d ilkesini ilkemiz olarak g\u00f6rmektedir. \u00dcr\u00fcnlerimizden herhangi biriyle ilgileniyorsan\u0131z veya \u00f6zel bir sipari\u015fi g\u00f6r\u00fc\u015fmek isterseniz, l\u00fctfen bizimle ileti\u015fime ge\u00e7mekten \u00e7ekinmeyin. Yak\u0131n gelecekte d\u00fcnya \u00e7ap\u0131nda yeni m\u00fc\u015fterilerle ba\u015far\u0131l\u0131 i\u015f ili\u015fkileri kurmay\u0131 d\u00f6rt g\u00f6zle bekliyoruz.<\/p>\n\n\n\n
Y\u00fcksek Bas\u0131n\u00e7l\u0131 Kelebek Vana<\/mark><\/a><\/strong><\/h3>\n\n\n\nY\u00fcksek bas\u0131n\u00e7l\u0131 kelebek vana, bas\u0131nc\u0131n PN25 veya S\u0131n\u0131f 150Lb kelebek vanadan daha y\u00fcksek oldu\u011fu anlam\u0131na gelir. Bu t\u00fcr valf bas\u0131nc\u0131n\u0131 maksimum ANSI S\u0131n\u0131f\u0131 900#'ye (15.0MPa) kadar tasarl\u0131yor ve \u00fcretiyoruz. Bu nedenle bir\u00e7ok projede k\u00fcresel vana ve s\u00fcrg\u00fcl\u00fc vana yerine \u00e7ok daha ucuz maliyetli ve y\u00fcksek performansl\u0131 olmas\u0131 makul bir se\u00e7imdir.<\/p>\n\n\n\n
Bu y\u00fcksek bas\u0131n\u00e7l\u0131 kelebek, g\u0131da maddeleri, i\u00e7ecek, ila\u00e7, kazan, petrol rafinerisi, kimya makine end\u00fcstrileri, kimya ve petrokimya i\u015fleme, enerji \u00fcretim tesisleri, ka\u011f\u0131t hamuru ve ka\u011f\u0131t \u00fcretim i\u015fleme, tuzdan ar\u0131nd\u0131rma, \u00e7elik \u00fcretimi, k\u00f6m\u00fcr ve madencilik end\u00fcstrilerinde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n\n\n
\n![\"\"\/](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/20211230080808-61cd68e8b1e29.jpg\")
10\u201d
BW 900LB \u00e7ek valf<\/figcaption><\/figure>\n<\/div>\n\n\nNormal \u015fartlarda, end\u00fcstriyel vanalar kullan\u0131m s\u0131ras\u0131nda mukavemet testlerine tabi tutulmaz, ancak g\u00f6vde ve kapak veya korozyondan zarar g\u00f6ren vana g\u00f6vdesi ve kapak onar\u0131mdan sonra dayan\u0131kl\u0131l\u0131k a\u00e7\u0131s\u0131ndan test edilmelidir. Emniyet valfleri i\u00e7in ayar bas\u0131nc\u0131 ve d\u00f6n\u00fc\u015f bas\u0131nc\u0131 ile di\u011fer testler, spesifikasyonlara ve ilgili d\u00fczenlemelere uygun olacakt\u0131r. Vana tesisat\u0131n\u0131n mukavemet ve s\u0131zd\u0131rmazl\u0131k testi yap\u0131lmal\u0131d\u0131r. 20% al\u00e7ak bas\u0131n\u00e7 valfleri rastgele kontrol edilmelidir. Niteliksizlerse 100% kontrol edilmeli; orta ve y\u00fcksek bas\u0131n\u00e7 vanalar\u0131 100% kontrol edilmelidir. Valf bas\u0131n\u00e7 testi i\u00e7in yayg\u0131n olarak kullan\u0131lan ortamlar aras\u0131nda su, ya\u011f, hava, buhar, nitrojen vb. yer al\u0131r. Pn\u00f6matik valfler de dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstriyel valfler i\u00e7in bas\u0131n\u00e7 testi y\u00f6ntemleri a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n
1. K\u00fcresel Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
Pn\u00f6matik k\u00fcresel vanan\u0131n mukavemet testi, bilya yar\u0131 a\u00e7\u0131kken yap\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n
- Y\u00fczer k\u00fcresel vana s\u0131zd\u0131rmazl\u0131k testi: vanay\u0131 yar\u0131 a\u00e7\u0131k duruma getirin, test ortam\u0131n\u0131 bir ucuna koyun ve di\u011fer ucunu kapat\u0131n; Bilyay\u0131 birka\u00e7 kez d\u00f6nd\u00fcr\u00fcn, vana kapal\u0131 durumdayken kapal\u0131 ucu a\u00e7\u0131n ve ayn\u0131 anda salmastra ve contadaki s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 kontrol edin. S\u0131z\u0131nt\u0131 olmamal\u0131d\u0131r. Daha sonra test ortam\u0131n\u0131 di\u011fer u\u00e7tan ekleyin ve yukar\u0131daki testi tekrarlay\u0131n.<\/li>
- Muylu k\u00fcresel vana s\u0131zd\u0131rmazl\u0131k testi: testten \u00f6nce, k\u00fcreyi y\u00fcks\u00fcz olarak birka\u00e7 kez d\u00f6nd\u00fcr\u00fcn, sabit k\u00fcresel vana kapal\u0131 durumdad\u0131r ve test ortam\u0131 bir u\u00e7tan belirtilen de\u011fere kadar sokulur; bas\u0131n\u00e7 g\u00f6stergesi giri\u015f ucunun s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 kontrol etmek i\u00e7in kullan\u0131l\u0131r ve bas\u0131n\u00e7 g\u00f6stergesinin do\u011frulu\u011fu Seviye 5 ila 1'dir, aral\u0131k test bas\u0131nc\u0131n\u0131n 1,5 kat\u0131d\u0131r. Belirtilen s\u00fcre i\u00e7erisinde nitelikli bir dekompresyon olgusu ya\u015fanmaz; daha sonra test ortam\u0131n\u0131 di\u011fer u\u00e7tan ekleyin ve yukar\u0131daki testi tekrarlay\u0131n. Daha sonra, vanay\u0131 her iki ucu kapal\u0131 ve i\u00e7 bo\u015fluk maddeyle doldurulmu\u015f \u015fekilde yar\u0131 a\u00e7\u0131k duruma getirin, salmastray\u0131 ve contay\u0131 test bas\u0131nc\u0131 alt\u0131nda kontrol edin; herhangi bir s\u0131z\u0131nt\u0131 olmamal\u0131d\u0131r.<\/li>
- \u00dc\u00e7 yollu k\u00fcresel vana \u00e7e\u015fitli konumlarda s\u0131zd\u0131rmazl\u0131k a\u00e7\u0131s\u0131ndan test edilmelidir.<\/li><\/ul>\n\n\n\n
2. Bas\u0131n\u00e7 Test Y\u00f6ntemi \u00c7ek Valf<\/a> <\/strong><\/h2>\n\n\n\n\u00c7ek valf test durumu: Kald\u0131rma \u00e7ek valf diski ekseni yataya dik bir konumdad\u0131r; swing \u00e7ek valf kanal ekseni ve disk ekseni yatay \u00e7izgiye yakla\u015f\u0131k olarak paralel konumdad\u0131r. Mukavemet testinde giri\u015f ucundan belirlenen de\u011fere kadar test ortam\u0131 verilir ve di\u011fer u\u00e7 kapat\u0131l\u0131r. Valf g\u00f6vdesinde ve kapakta s\u0131z\u0131nt\u0131 yoksa niteliklidir. S\u0131zd\u0131rmazl\u0131k testinde test ortam\u0131 \u00e7\u0131k\u0131\u015f ucundan verilir ve giri\u015f ucunda s\u0131zd\u0131rmazl\u0131k y\u00fczeyi kontrol edilir. Salmastra ve contada s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/p>\n\n\n\n
3. Bas\u0131n\u00e7 Test Y\u00f6ntemi Bas\u0131n\u00e7 D\u00fc\u015f\u00fcr\u00fcc\u00fc vana<\/mark><\/strong><\/a><\/h2>\n\n\n\n- G\u00fc\u00e7 testi bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> Genellikle tek par\u00e7a testinden sonra montaj\u0131 yap\u0131l\u0131r ve montaj sonras\u0131nda da test edilebilir. Mukavemet testinin s\u00fcresi: DN150mm i\u00e7in 1 dakika. K\u00f6r\u00fck ve aksamlar kaynakland\u0131ktan sonra, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanadan sonra en y\u00fcksek bas\u0131nc\u0131n 1,5 kat\u0131 kadar bas\u0131n\u00e7 uygulanarak hava ile mukavemet testi yap\u0131l\u0131r.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi ger\u00e7ek \u00e7al\u0131\u015fma ortam\u0131na g\u00f6re yap\u0131lacakt\u0131r. Hava veya su ile test yaparken, testi nominal bas\u0131nc\u0131n 1,1 kat\u0131 bas\u0131n\u00e7ta ger\u00e7ekle\u015ftirin; Buharla test yaparken testi, \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 alt\u0131nda izin verilen en y\u00fcksek \u00e7al\u0131\u015fma bas\u0131nc\u0131nda ger\u00e7ekle\u015ftirin. Giri\u015f bas\u0131nc\u0131 ile \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 aras\u0131ndaki fark 0,2 MPa'dan az olmamal\u0131d\u0131r. Test y\u00f6ntemi \u015fu \u015fekildedir: Giri\u015f bas\u0131nc\u0131 ayarland\u0131ktan sonra, vanan\u0131n ayar vidas\u0131n\u0131, \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131n\u0131n durgunluk veya s\u0131k\u0131\u015fma olmadan maksimum ve minimum de\u011ferler aral\u0131\u011f\u0131nda hassas ve s\u00fcrekli olarak de\u011fi\u015febilece\u011fi \u015fekilde kademeli olarak ayarlay\u0131n. Buhar bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanada giri\u015f bas\u0131nc\u0131 ayarland\u0131\u011f\u0131nda vana kapat\u0131ld\u0131ktan sonra vana kapan\u0131r ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 en y\u00fcksek ve en d\u00fc\u015f\u00fck de\u011fer olur. 2 dakika i\u00e7inde \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131ndaki art\u0131\u015f Tablo 4.176-22'deki gereksinimleri kar\u015f\u0131lamal\u0131d\u0131r. Ayn\u0131 zamanda vanan\u0131n arkas\u0131ndaki boru hatt\u0131n\u0131n hacmi de Tablo 4.18'de belirtilen gereksinimleri kar\u015f\u0131layan nitelikli olarak; Su ve hava bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanalarda giri\u015f bas\u0131nc\u0131 ayarl\u0131 ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 s\u0131f\u0131r oldu\u011funda, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> kapat\u0131larak s\u0131zd\u0131rmazl\u0131k testi yap\u0131l\u0131r. 2 dakika i\u00e7inde s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/li><\/ul>\n\n\n\n
4. Kelebek Vanan\u0131n bas\u0131n\u00e7 testi y\u00f6ntemi<\/h2>\n\n\n\n
Pn\u00f6matik kelebek vanan\u0131n mukavemet testi stop vanas\u0131n\u0131nkiyle ayn\u0131d\u0131r. Kelebek vanan\u0131n s\u0131zd\u0131rmazl\u0131k performans\u0131 testi, test ortam\u0131n\u0131 orta ak\u0131\u015f\u0131n ucundan uygulamal\u0131, kelebek plaka a\u00e7\u0131lmal\u0131, di\u011fer u\u00e7 kapat\u0131lmal\u0131 ve enjeksiyon bas\u0131nc\u0131 belirtilen de\u011fere ula\u015fmal\u0131d\u0131r; Salmastra ve di\u011fer contalarda s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol ettikten sonra kelebek plakay\u0131 kapat\u0131n, di\u011fer ucunu a\u00e7\u0131n ve kelebe\u011fi kontrol edin. Plaka contas\u0131nda s\u0131z\u0131nt\u0131 yok. Ak\u0131\u015f\u0131 ayarlamak i\u00e7in kullan\u0131lan kelebek vana s\u0131zd\u0131rmazl\u0131k performans\u0131 a\u00e7\u0131s\u0131ndan test edilemez.<\/p>\n\n\n\n
5. Fi\u015fli Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n- Tapa valfi bir mukavemet testine tabi tutuldu\u011funda, ortam bir u\u00e7tan verilir, geri kalan ge\u00e7itler kapat\u0131l\u0131r ve t\u0131pa, test i\u00e7in tamamen a\u00e7\u0131k \u00e7al\u0131\u015fma konumlar\u0131na d\u00f6nd\u00fcr\u00fcl\u00fcr. Valf g\u00f6vdesi herhangi bir s\u0131z\u0131nt\u0131 olmadan niteliklidir.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi s\u0131ras\u0131nda d\u00fcz tapa, bo\u015fluktaki bas\u0131nc\u0131 ge\u00e7it bas\u0131nc\u0131na e\u015fit tutmal\u0131, tapay\u0131 kapal\u0131 konuma d\u00f6nd\u00fcrmeli, di\u011fer u\u00e7tan kontrol etmeli ve ard\u0131ndan yukar\u0131daki testi tekrarlamak i\u00e7in tapay\u0131 180\u00b0 d\u00f6nd\u00fcrmelidir. ; \u00fc\u00e7 yollu veya d\u00f6rt yollu tapa valfi Bo\u015fluktaki ve ge\u00e7idin bir ucundaki bas\u0131n\u00e7 e\u015fit tutulmal\u0131, durdurucu kapal\u0131 konuma d\u00f6nd\u00fcr\u00fclmeli, buna kar\u015f\u0131l\u0131k bas\u0131n\u00e7 dik a\u00e7\u0131l\u0131 u\u00e7tan verilmelidir, ve di\u011fer ucu ayn\u0131 anda incelenmelidir.<\/li>
- Tapa valfi testinden \u00f6nce, s\u0131zd\u0131rmazl\u0131k y\u00fczeyine asidik olmayan seyreltilmi\u015f bir ya\u011flama ya\u011f\u0131 tabakas\u0131 uygulanmas\u0131na izin verilir ve belirtilen s\u00fcre i\u00e7inde hi\u00e7bir s\u0131z\u0131nt\u0131 veya geni\u015flemi\u015f su damlac\u0131klar\u0131 nitelendirilmez. Tapa valfinin test s\u00fcresi, nominal \u00e7apa g\u00f6re genellikle 1 ~ 3 dakika daha k\u0131sa olabilir.<\/li>
- Gaz plug vanas\u0131, \u00e7al\u0131\u015fma bas\u0131nc\u0131n\u0131n 1,25 kat\u0131 bas\u0131n\u00e7ta hava s\u0131zd\u0131rmazl\u0131\u011f\u0131 a\u00e7\u0131s\u0131ndan test edilecektir.<\/li><\/ul>\n\n\n\n
6. Diyaframl\u0131 Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/20211230080808-61cd68e8c1df9.jpg\")
<\/figure>\n<\/div>\n\n\nDiyafram valf mukavemet testinde her iki u\u00e7tan ortam verilir, valf kapa\u011f\u0131 a\u00e7\u0131l\u0131r ve di\u011fer u\u00e7 kapat\u0131l\u0131r. Test bas\u0131nc\u0131 belirlenen de\u011fere \u00e7\u0131kt\u0131ktan sonra vana g\u00f6vdesinde ve kapa\u011f\u0131nda s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131 kontrol edilir. Daha sonra bas\u0131nc\u0131 s\u0131zd\u0131rmazl\u0131k testi bas\u0131nc\u0131na d\u00fc\u015f\u00fcr\u00fcn, valf kapa\u011f\u0131n\u0131 kapat\u0131n ve di\u011fer ucunu inceleme i\u00e7in a\u00e7\u0131n. Hi\u00e7bir s\u0131z\u0131nt\u0131 nitelikli kabul edilmez.<\/p>\n\n\n\n
7. Stop Valf\u0131 ve K\u0131sma Valfinin Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
Durdurma vanas\u0131n\u0131n ve gaz kelebe\u011finin mukavemet testi i\u00e7in, genellikle monte edilmi\u015f vanay\u0131 bas\u0131n\u00e7 test raf\u0131na koyun, diski a\u00e7\u0131n, ortam\u0131 belirtilen de\u011fere kadar enjekte edin ve vana g\u00f6vdesini ve vanay\u0131 kontrol edin. Kapa\u011f\u0131n terleyip s\u0131zd\u0131rmad\u0131\u011f\u0131n\u0131 kontrol edin. . Mukavemet testi tek par\u00e7a \u00fczerinde de yap\u0131labilir. S\u0131zd\u0131rmazl\u0131k testleri i\u00e7in sadece stop vanalar\u0131 kullan\u0131l\u0131r. Test s\u0131ras\u0131nda, kesme vanas\u0131n\u0131n valf g\u00f6vdesi dikey durumdad\u0131r, valf kapa\u011f\u0131 a\u00e7\u0131l\u0131r ve valf kapa\u011f\u0131n\u0131n alt ucundan belirtilen de\u011fere kadar ortam verilir. Salmastray\u0131 ve contay\u0131 kontrol edin; Testi ge\u00e7tikten sonra valf kapa\u011f\u0131n\u0131 kapat\u0131n ve di\u011fer ucunu a\u00e7arak s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol edin. Hem vana mukavemeti hem de s\u0131zd\u0131rmazl\u0131k testi yap\u0131lacaksa \u00f6nce mukavemet testi yap\u0131labilir, daha sonra bas\u0131n\u00e7 s\u0131zd\u0131rmazl\u0131k testi i\u00e7in belirtilen de\u011fere d\u00fc\u015f\u00fcr\u00fclerek salmastra ve contalar kontrol edilir; daha sonra vana klapesi kapat\u0131l\u0131p \u00e7\u0131k\u0131\u015f ucu a\u00e7\u0131larak s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin s\u0131zd\u0131r\u0131p s\u0131zd\u0131rmad\u0131\u011f\u0131 kontrol edilir.<\/p>\n\n\n\n
8. S\u00fcrg\u00fcl\u00fc Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi <\/h2>\n\n\n\n
S\u00fcrg\u00fcl\u00fc vanan\u0131n mukavemet testi k\u00fcresel vanan\u0131nkiyle ayn\u0131d\u0131r. S\u00fcrg\u00fcl\u00fc vanan\u0131n s\u0131zd\u0131rmazl\u0131k testi i\u00e7in iki y\u00f6ntem vard\u0131r.<\/p>\n\n\n\n
- Valfteki bas\u0131nc\u0131 belirtilen de\u011fere \u00e7\u0131karmak i\u00e7in kap\u0131y\u0131 a\u00e7\u0131n; daha sonra kap\u0131y\u0131 kapat\u0131n ve kap\u0131n\u0131n her iki taraf\u0131ndaki contalarda herhangi bir s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in hemen s\u00fcrg\u00fcl\u00fc vanay\u0131 \u00e7\u0131kar\u0131n veya test ortam\u0131n\u0131 vana kapa\u011f\u0131ndaki tapaya belirtilen de\u011fere kadar do\u011frudan enjekte edin, Her iki taraftaki contalar\u0131 kontrol edin. kap\u0131n\u0131n yanlar\u0131. Yukar\u0131daki y\u00f6nteme ara bas\u0131n\u00e7 testi denir. Bu y\u00f6ntem, nominal \u00e7ap\u0131 DN32 mm'nin alt\u0131nda olan s\u00fcrg\u00fcl\u00fc vanalarda s\u0131zd\u0131rmazl\u0131k testleri i\u00e7in uygun de\u011fildir.<\/li>
- Di\u011fer bir y\u00f6ntem ise vanan\u0131n test bas\u0131nc\u0131n\u0131 belirlenen de\u011fere \u00e7\u0131karmak i\u00e7in kapa\u011f\u0131 a\u00e7makt\u0131r; daha sonra kap\u0131y\u0131 kapat\u0131n ve s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin s\u0131z\u0131nt\u0131 yap\u0131p yapmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in k\u00f6r plakay\u0131 bir ucundan a\u00e7\u0131n. Yukar\u0131daki testin \u0131zgaraya kadar tekrarlanan etkile\u015fimi sa\u011flamak i\u00e7in daha da d\u00fc\u015ft\u00fc.<\/li>
- Pn\u00f6matik s\u00fcrg\u00fcl\u00fc vana salmastra ve conta s\u0131zd\u0131rmazl\u0131k testleri, kap\u0131 s\u0131zd\u0131rmazl\u0131k testinden \u00f6nce yap\u0131lmal\u0131d\u0131r.<\/li><\/ul>\n\n\n\n
9. Emniyet Valfinin Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n- Emniyet valfinin mukavemet testi di\u011fer valflerinkiyle ayn\u0131d\u0131r. Su ile test edilir. Valf g\u00f6vdesinin alt k\u0131sm\u0131 test edilirken, giri\u015f I=I ucundan bas\u0131n\u00e7 uygulan\u0131r ve s\u0131zd\u0131rmazl\u0131k y\u00fczeyi kapat\u0131l\u0131r; Valf g\u00f6vdesinin \u00fcst k\u0131sm\u0131 ve kapak test edilirken \u00e7\u0131k\u0131\u015f El ucundan bas\u0131n\u00e7 verilir ve di\u011fer u\u00e7lar kapat\u0131l\u0131r. Belirtilen s\u00fcre i\u00e7inde valf g\u00f6vdesinde ve kapa\u011f\u0131nda s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi ve sabit bas\u0131n\u00e7 testi i\u00e7in genel kullan\u0131m ortam\u0131 \u015f\u00f6yledir: buhar emniyet valfi, test ortam\u0131 olarak doymu\u015f buhar\u0131 kullan\u0131r; amonyak veya di\u011fer gaz vanalar\u0131 test ortam\u0131 olarak havay\u0131 kullan\u0131r; su ve di\u011fer a\u015f\u0131nd\u0131r\u0131c\u0131 olmayan s\u0131v\u0131 vanalar\u0131, test ortam\u0131 olarak suyu kullan\u0131r. Baz\u0131 \u00f6nemli konumlardaki emniyet valfleri i\u00e7in test ortam\u0131 olarak \u00e7o\u011funlukla nitrojen kullan\u0131l\u0131r.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi, test bas\u0131nc\u0131 olarak nominal bas\u0131n\u00e7 de\u011feri ile yap\u0131lacak, say\u0131s\u0131 ikiden az olmayacak ve belirtilen s\u00fcrede s\u0131z\u0131nt\u0131 olmad\u0131\u011f\u0131 kabul edilecektir. \u0130ki s\u0131z\u0131nt\u0131 tespit y\u00f6ntemi vard\u0131r: Biri emniyet valfinin ba\u011flant\u0131 yerlerini kapatmak ve \u00e7\u0131k\u0131\u015f\u0131n flan\u015f\u0131ndaki ince ka\u011f\u0131d\u0131 tereya\u011f\u0131 kullanarak kapatmakt\u0131r. \u00c7\u0131k\u0131\u015f flan\u015f\u0131n\u0131n alt k\u0131sm\u0131na plastik plaka veya ba\u015fka bir plaka contas\u0131 tak\u0131l\u0131r ve valf diski su ile kapat\u0131l\u0131r. Suyun kabarc\u0131klanmamas\u0131 niteliklidir. Emniyet ventilinin sabit bas\u0131n\u00e7 ve d\u00f6n\u00fc\u015f bas\u0131nc\u0131 test s\u00fcreleri 3 kat\u0131ndan az olmamakta olup, mevzuata uygun niteliktedir. Emniyet valflerinin \u00e7e\u015fitli performans testleri, GB\/T 12242-1989 Emniyet Valf\u0131 Performans Test Y\u00f6ntemlerine at\u0131fta bulunur.<\/li><\/ul>\n\n\n\n
Vana Bas\u0131n\u00e7 Testi Y\u00f6netmeli\u011fi<\/h2>\n\n\n\n- Ambalaj a\u00e7\u0131ld\u0131ktan sonra t\u00fcm vanalar g\u00f6rsel olarak kontrol edilmeli, vana g\u00f6vdesi \u00fczerinde bir plaka bulunmal\u0131, \u00fcr\u00fcn kalite belgeleri tamamlanm\u0131\u015f, vana kapal\u0131, di\u011ferinin mavi y\u00fczeye zarar veremeyece\u011fi, kirli olmad\u0131\u011f\u0131, her iki ucu anti koruma kapa\u011f\u0131 ile kapat\u0131lm\u0131\u015f , vesaire.<\/li>
- Operat\u00f6r bas\u0131n\u00e7 test tezgah\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131na a\u015fina olmal\u0131d\u0131r.<\/li>
- JHA valf bas\u0131n\u00e7 testi m\u00fckemmeldir ve operat\u00f6r, valf bas\u0131n\u00e7 testinin ve ters ta\u015f\u0131man\u0131n g\u00fcvenlik tehlikelerine a\u015fina olmal\u0131 ve ilgili \u00f6nleyici tedbirleri almal\u0131d\u0131r.<\/li>
- Valf bas\u0131n\u00e7 testi s\u00fcreci, valf kabu\u011fu mukavemet testi, \u00fcst conta testi ve conta testinden olu\u015fur.
- Valf kabu\u011funun mukavemeti i\u00e7in test ortam\u0131 sudur, bas\u0131n\u00e7, valfin nominal bas\u0131nc\u0131n\u0131n 1,5 kat\u0131d\u0131r, bas\u0131n\u00e7 tutma s\u00fcresi 5 dakikad\u0131r ve damlama veya nem olu\u015fmaz.<\/li>
- Valf \u00fczerindeki s\u0131zd\u0131rmazl\u0131k test ortam\u0131 su kullan\u0131r, bas\u0131n\u00e7 nominal bas\u0131nc\u0131n 1,5 kat\u0131d\u0131r, tutma s\u00fcresi DN\u226450 i\u00e7in 15 saniyedir, 65\u2264DN\u2264300 i\u00e7in 60 saniyedir ve DN\u2265350 i\u00e7in 120 saniyedir. Hi\u00e7bir s\u0131z\u0131nt\u0131 nitelikli de\u011fildir.<\/li>
- Valf s\u0131zd\u0131rmazl\u0131k testi: D\u00fc\u015f\u00fck bas\u0131n\u00e7l\u0131 s\u0131zd\u0131rmazl\u0131k testi yap\u0131l\u0131r. Test ortam\u0131 havad\u0131r (s\u00fcrg\u00fcl\u00fc vana), bas\u0131n\u00e7 0,6 MPa'd\u0131r, bas\u0131n\u00e7 tutma s\u00fcresi DN\u226450 i\u00e7in 15 saniyedir, 65\u2264DN\u2264150 i\u00e7in 60 saniyedir ve DN\u2267200 i\u00e7in 120 saniyedir. Gereksinim niteliklidir.<\/li>
- Bas\u0131n\u00e7 testi onayland\u0131ktan sonra vana bo\u015flu\u011fundaki su bas\u0131n\u00e7l\u0131 hava ile zaman\u0131nda kurutulmal\u0131d\u0131r.<\/li>
- Bas\u0131n\u00e7 testini ge\u00e7en vanalar vana g\u00f6vdesi \u00fczerinde \u221a ile i\u015faretlenir, uygun olmayan vanalar ise \u00d7 ile i\u015faretlenir.<\/li>
- Bas\u0131n\u00e7 testi sonras\u0131nda vanalar cihaz\u0131n tipine ve \u00f6zelliklerine g\u00f6re ayr\u0131 ayr\u0131 istiflenmeli, vas\u0131fs\u0131z \u00fcr\u00fcnler ise ayr\u0131 ayr\u0131 istiflenmelidir; her istifleme alan\u0131na net bir i\u015faret konulmal\u0131d\u0131r. Bas\u0131n\u00e7 testinden sonra vana kapat\u0131l\u0131p contalanmal\u0131 ve istif alan\u0131nda renkli bezle \u00f6rt\u00fcl\u00fcp korunmal\u0131d\u0131r.<\/li>
- Vana bas\u0131n\u00e7 testi sonras\u0131nda \u201cVana\/Boru Montaj Test Kayd\u0131\u201d cihaza g\u00f6re zaman\u0131nda doldurulmal\u0131 ve vana g\u00f6vdesi \u00fczerindeki sat\u0131n alma s\u00f6zle\u015fme numaras\u0131 ile model kolonu doldurulmal\u0131d\u0131r.<\/li>
- Testi ge\u00e7en vanalar i\u00e7in \u201cVana D\u00fczenleme Kayd\u0131\u201dn\u0131n hem d\u00fczenleyen hem de alan taraflarca doldurularak imzalanmas\u0131 gerekmektedir.<\/li>
- Niteliksiz vanalar\u0131n ayr\u0131 bir \u201cNiteliksiz Vana Bilgi Defteri\u201d olu\u015fturmas\u0131 gerekir<\/li><\/ul><\/li><\/ul>\n\n\n\n
![\"\"\/](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/20211230080808-61cd68e8cd44f.png\")
<\/figure>\n<\/div>\n\n\n\n\u0130lgili Etiketler :<\/h2>\n\n\n\n\n\nZECO Valf<\/a>\n\n<\/div>\n\n\n\n\nHava Valfi Nedir? Hava Valfi \u00c7e\u015fitleri \u2013 Hava Tahliye Valfi<\/a>\n\n<\/div>\n\n\n\n\nPirin\u00e7 K\u00fcresel Vana \u2013 Pirin\u00e7 K\u00fcresel Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nKelebek Vana Wafer Tipi \u2013 Wafer Tip Kelebek Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nDengeleme Vanas\u0131 \u2013 Profesyonel HVAC Vanalar\u0131 \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nWafer \u00c7ek Valf \u2013 API 594 \u00c7ek Valf \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nElektrikli K\u00fcresel Vana \u2013 Elektrikli K\u00fcresel Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\n\u00c7ek Valf \u2013 Profesyonel \u00c7ek Valf \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nMotorlu Vana \u2013 Motorlu S\u00fcrg\u00fcl\u00fc Vana \/ K\u00fcresel Vana<\/a>\n\n<\/div>\n\n\n\n\nElektrikli Akt\u00fcat\u00f6rl\u00fc K\u00fcresel Vana \u2013 Motorlu K\u00fcresel Vana Tedarik\u00e7ileri<\/a>\n\n<\/div>\n\n\n\n\nMotorlu Vana \u2013 Motorlu K\u00fcresel Vana & Motorlu Kelebek Vana<\/a>\n\n<\/div>\n\n\n\n\nK\u00fcresel Vana Paslanmaz \u00c7elik \u2013 Paslanmaz \u00c7elik K\u00fcresel Vana<\/a>\n\n<\/div>\n\n\n\n\nHVAC Vanas\u0131 \u2013 Dengeleme Vanas\u0131 ve PICV<\/a>\n\n<\/div>\n\n\n\u3000<\/span><\/p>\n<\/p>\n
\u00d6ncesi ve sonras\u0131yla on makale<\/p>\n
Bas\u0131n\u00e7 contal\u0131 s\u00fcrg\u00fcl\u00fc vana, BW 900LB s\u00fcrg\u00fcl\u00fc vana, \u00c7in bas\u0131n\u00e7 contal\u0131 s\u00fcrg\u00fcl\u00fc vana tedarik\u00e7ileri - Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00c7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\npaslanmaz \u00e7elik kelebek vana, \u00fc\u00e7l\u00fc ofset kelebek vana \u2013 Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcre vana fabrikas\u0131, inconel 625 k\u00fcre vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nY\u00fcksek bas\u0131n\u00e7 valfi, WCC kap\u0131s\u0131 lvave \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nFarkl\u0131 Uygulama Ko\u015fullar\u0131nda Kelebek Vana ve S\u00fcrg\u00fcl\u00fc Vana | API 6D k\u00fcresel vana \u00fcreticisi<\/a><\/p>\nD\u00f6ner Kontrol Vanalar\u0131 Hakk\u0131nda Bilgi Edinin | API 6D k\u00fcresel vana \u00fcreticisi<\/a><\/p>\nZirkonyum \u00e7ift plakal\u0131 wafer \u00e7ek valf, ASTM B752 Gr. 702C \u00e7ift plakal\u0131 gofret \u00e7ek valf \u2013 Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nSeviye kumandal\u0131 4 "kelebek vana, sfero d\u00f6k\u00fcm kelebek vana, Viton kapl\u0131 kelebek vana, \u00c7in'de yap\u0131lan viton kapl\u0131 kelebek vana - Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00e7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\ny\u00fcksek bas\u0131n\u00e7 kontrol vanas\u0131, 2500LB kontrol vanas\u0131 \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcre vana fabrikas\u0131, inconel 625 k\u00fcre vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nbronz k\u00fcresel vana, k\u00fcresel vana C95800 \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
M\u00fc\u015fteri gereksinimlerini en iyi \u015fekilde kar\u015f\u0131lamak amac\u0131yla, Y\u00fcksek Bas\u0131n\u00e7l\u0131 Metal K\u00fcresel Vana, Pn\u00f6matik D\u00f6k\u00fcm \u00c7elik K\u00fcresel Vana, Pn\u00f6matik D\u00f6vme i\u00e7in t\u00fcm operasyonlar\u0131m\u0131z kesinlikle \u201cY\u00fcksek Y\u00fcksek kalite, Rekabet\u00e7i Fiyat, H\u0131zl\u0131 Hizmet\u201d slogan\u0131m\u0131z do\u011frultusunda ger\u00e7ekle\u015ftirilir. \u00c7elik K\u00fcre Vana, Y\u00fczer K\u00fcresel Vana, S\u00fcrg\u00fcl\u00fc Vana. Art\u0131k \u00c7in'in her yerindeki y\u00fczlerce fabrikayla derin bir i\u015fbirli\u011fimiz var. Verdi\u011fimiz mallar farkl\u0131 \u00e7a\u011fr\u0131lar\u0131n\u0131zla e\u015fle\u015febilir. Bizi se\u00e7in, sizi pi\u015fman etmeyece\u011fiz! \u00dcr\u00fcn Avrupa, Amerika, Avustralya, \u00c7ek Cumhuriyeti, Ermenistan, Panama, Hollanda gibi d\u00fcnyan\u0131n her yerine tedarik edilecek. Kalk\u0131nma stratejimizin ikinci a\u015famas\u0131n\u0131 ba\u015flataca\u011f\u0131z. \u015eirketimiz \u201cmakul fiyatlar, verimli \u00fcretim s\u00fcresi ve iyi sat\u0131\u015f sonras\u0131 hizmet\u201d ilkesini ilkemiz olarak g\u00f6rmektedir. \u00dcr\u00fcnlerimizden herhangi biriyle ilgileniyorsan\u0131z veya \u00f6zel bir sipari\u015fi g\u00f6r\u00fc\u015fmek isterseniz, l\u00fctfen bizimle ileti\u015fime ge\u00e7mekten \u00e7ekinmeyin. Yak\u0131n gelecekte d\u00fcnya \u00e7ap\u0131nda yeni m\u00fc\u015fterilerle ba\u015far\u0131l\u0131 i\u015f ili\u015fkileri kurmay\u0131 d\u00f6rt g\u00f6zle bekliyoruz.<\/p>\n\n\n\n
Y\u00fcksek Bas\u0131n\u00e7l\u0131 Kelebek Vana<\/mark><\/a><\/strong><\/h3>\n\n\n\nY\u00fcksek bas\u0131n\u00e7l\u0131 kelebek vana, bas\u0131nc\u0131n PN25 veya S\u0131n\u0131f 150Lb kelebek vanadan daha y\u00fcksek oldu\u011fu anlam\u0131na gelir. Bu t\u00fcr valf bas\u0131nc\u0131n\u0131 maksimum ANSI S\u0131n\u0131f\u0131 900#'ye (15.0MPa) kadar tasarl\u0131yor ve \u00fcretiyoruz. Bu nedenle bir\u00e7ok projede k\u00fcresel vana ve s\u00fcrg\u00fcl\u00fc vana yerine \u00e7ok daha ucuz maliyetli ve y\u00fcksek performansl\u0131 olmas\u0131 makul bir se\u00e7imdir.<\/p>\n\n\n\n
Bu y\u00fcksek bas\u0131n\u00e7l\u0131 kelebek, g\u0131da maddeleri, i\u00e7ecek, ila\u00e7, kazan, petrol rafinerisi, kimya makine end\u00fcstrileri, kimya ve petrokimya i\u015fleme, enerji \u00fcretim tesisleri, ka\u011f\u0131t hamuru ve ka\u011f\u0131t \u00fcretim i\u015fleme, tuzdan ar\u0131nd\u0131rma, \u00e7elik \u00fcretimi, k\u00f6m\u00fcr ve madencilik end\u00fcstrilerinde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n\n\n
\n10\u201d
BW 900LB \u00e7ek valf<\/figcaption><\/figure>\n<\/div>\n\n\nNormal \u015fartlarda, end\u00fcstriyel vanalar kullan\u0131m s\u0131ras\u0131nda mukavemet testlerine tabi tutulmaz, ancak g\u00f6vde ve kapak veya korozyondan zarar g\u00f6ren vana g\u00f6vdesi ve kapak onar\u0131mdan sonra dayan\u0131kl\u0131l\u0131k a\u00e7\u0131s\u0131ndan test edilmelidir. Emniyet valfleri i\u00e7in ayar bas\u0131nc\u0131 ve d\u00f6n\u00fc\u015f bas\u0131nc\u0131 ile di\u011fer testler, spesifikasyonlara ve ilgili d\u00fczenlemelere uygun olacakt\u0131r. Vana tesisat\u0131n\u0131n mukavemet ve s\u0131zd\u0131rmazl\u0131k testi yap\u0131lmal\u0131d\u0131r. 20% al\u00e7ak bas\u0131n\u00e7 valfleri rastgele kontrol edilmelidir. Niteliksizlerse 100% kontrol edilmeli; orta ve y\u00fcksek bas\u0131n\u00e7 vanalar\u0131 100% kontrol edilmelidir. Valf bas\u0131n\u00e7 testi i\u00e7in yayg\u0131n olarak kullan\u0131lan ortamlar aras\u0131nda su, ya\u011f, hava, buhar, nitrojen vb. yer al\u0131r. Pn\u00f6matik valfler de dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstriyel valfler i\u00e7in bas\u0131n\u00e7 testi y\u00f6ntemleri a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n
1. K\u00fcresel Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
Pn\u00f6matik k\u00fcresel vanan\u0131n mukavemet testi, bilya yar\u0131 a\u00e7\u0131kken yap\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n
- Y\u00fczer k\u00fcresel vana s\u0131zd\u0131rmazl\u0131k testi: vanay\u0131 yar\u0131 a\u00e7\u0131k duruma getirin, test ortam\u0131n\u0131 bir ucuna koyun ve di\u011fer ucunu kapat\u0131n; Bilyay\u0131 birka\u00e7 kez d\u00f6nd\u00fcr\u00fcn, vana kapal\u0131 durumdayken kapal\u0131 ucu a\u00e7\u0131n ve ayn\u0131 anda salmastra ve contadaki s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 kontrol edin. S\u0131z\u0131nt\u0131 olmamal\u0131d\u0131r. Daha sonra test ortam\u0131n\u0131 di\u011fer u\u00e7tan ekleyin ve yukar\u0131daki testi tekrarlay\u0131n.<\/li>
- Muylu k\u00fcresel vana s\u0131zd\u0131rmazl\u0131k testi: testten \u00f6nce, k\u00fcreyi y\u00fcks\u00fcz olarak birka\u00e7 kez d\u00f6nd\u00fcr\u00fcn, sabit k\u00fcresel vana kapal\u0131 durumdad\u0131r ve test ortam\u0131 bir u\u00e7tan belirtilen de\u011fere kadar sokulur; bas\u0131n\u00e7 g\u00f6stergesi giri\u015f ucunun s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 kontrol etmek i\u00e7in kullan\u0131l\u0131r ve bas\u0131n\u00e7 g\u00f6stergesinin do\u011frulu\u011fu Seviye 5 ila 1'dir, aral\u0131k test bas\u0131nc\u0131n\u0131n 1,5 kat\u0131d\u0131r. Belirtilen s\u00fcre i\u00e7erisinde nitelikli bir dekompresyon olgusu ya\u015fanmaz; daha sonra test ortam\u0131n\u0131 di\u011fer u\u00e7tan ekleyin ve yukar\u0131daki testi tekrarlay\u0131n. Daha sonra, vanay\u0131 her iki ucu kapal\u0131 ve i\u00e7 bo\u015fluk maddeyle doldurulmu\u015f \u015fekilde yar\u0131 a\u00e7\u0131k duruma getirin, salmastray\u0131 ve contay\u0131 test bas\u0131nc\u0131 alt\u0131nda kontrol edin; herhangi bir s\u0131z\u0131nt\u0131 olmamal\u0131d\u0131r.<\/li>
- \u00dc\u00e7 yollu k\u00fcresel vana \u00e7e\u015fitli konumlarda s\u0131zd\u0131rmazl\u0131k a\u00e7\u0131s\u0131ndan test edilmelidir.<\/li><\/ul>\n\n\n\n
2. Bas\u0131n\u00e7 Test Y\u00f6ntemi \u00c7ek Valf<\/a> <\/strong><\/h2>\n\n\n\n\u00c7ek valf test durumu: Kald\u0131rma \u00e7ek valf diski ekseni yataya dik bir konumdad\u0131r; swing \u00e7ek valf kanal ekseni ve disk ekseni yatay \u00e7izgiye yakla\u015f\u0131k olarak paralel konumdad\u0131r. Mukavemet testinde giri\u015f ucundan belirlenen de\u011fere kadar test ortam\u0131 verilir ve di\u011fer u\u00e7 kapat\u0131l\u0131r. Valf g\u00f6vdesinde ve kapakta s\u0131z\u0131nt\u0131 yoksa niteliklidir. S\u0131zd\u0131rmazl\u0131k testinde test ortam\u0131 \u00e7\u0131k\u0131\u015f ucundan verilir ve giri\u015f ucunda s\u0131zd\u0131rmazl\u0131k y\u00fczeyi kontrol edilir. Salmastra ve contada s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/p>\n\n\n\n
3. Bas\u0131n\u00e7 Test Y\u00f6ntemi Bas\u0131n\u00e7 D\u00fc\u015f\u00fcr\u00fcc\u00fc vana<\/mark><\/strong><\/a><\/h2>\n\n\n\n- G\u00fc\u00e7 testi bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> Genellikle tek par\u00e7a testinden sonra montaj\u0131 yap\u0131l\u0131r ve montaj sonras\u0131nda da test edilebilir. Mukavemet testinin s\u00fcresi: DN150mm i\u00e7in 1 dakika. K\u00f6r\u00fck ve aksamlar kaynakland\u0131ktan sonra, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanadan sonra en y\u00fcksek bas\u0131nc\u0131n 1,5 kat\u0131 kadar bas\u0131n\u00e7 uygulanarak hava ile mukavemet testi yap\u0131l\u0131r.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi ger\u00e7ek \u00e7al\u0131\u015fma ortam\u0131na g\u00f6re yap\u0131lacakt\u0131r. Hava veya su ile test yaparken, testi nominal bas\u0131nc\u0131n 1,1 kat\u0131 bas\u0131n\u00e7ta ger\u00e7ekle\u015ftirin; Buharla test yaparken testi, \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 alt\u0131nda izin verilen en y\u00fcksek \u00e7al\u0131\u015fma bas\u0131nc\u0131nda ger\u00e7ekle\u015ftirin. Giri\u015f bas\u0131nc\u0131 ile \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 aras\u0131ndaki fark 0,2 MPa'dan az olmamal\u0131d\u0131r. Test y\u00f6ntemi \u015fu \u015fekildedir: Giri\u015f bas\u0131nc\u0131 ayarland\u0131ktan sonra, vanan\u0131n ayar vidas\u0131n\u0131, \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131n\u0131n durgunluk veya s\u0131k\u0131\u015fma olmadan maksimum ve minimum de\u011ferler aral\u0131\u011f\u0131nda hassas ve s\u00fcrekli olarak de\u011fi\u015febilece\u011fi \u015fekilde kademeli olarak ayarlay\u0131n. Buhar bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanada giri\u015f bas\u0131nc\u0131 ayarland\u0131\u011f\u0131nda vana kapat\u0131ld\u0131ktan sonra vana kapan\u0131r ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 en y\u00fcksek ve en d\u00fc\u015f\u00fck de\u011fer olur. 2 dakika i\u00e7inde \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131ndaki art\u0131\u015f Tablo 4.176-22'deki gereksinimleri kar\u015f\u0131lamal\u0131d\u0131r. Ayn\u0131 zamanda vanan\u0131n arkas\u0131ndaki boru hatt\u0131n\u0131n hacmi de Tablo 4.18'de belirtilen gereksinimleri kar\u015f\u0131layan nitelikli olarak; Su ve hava bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanalarda giri\u015f bas\u0131nc\u0131 ayarl\u0131 ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 s\u0131f\u0131r oldu\u011funda, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> kapat\u0131larak s\u0131zd\u0131rmazl\u0131k testi yap\u0131l\u0131r. 2 dakika i\u00e7inde s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/li><\/ul>\n\n\n\n
4. Kelebek Vanan\u0131n bas\u0131n\u00e7 testi y\u00f6ntemi<\/h2>\n\n\n\n
Pn\u00f6matik kelebek vanan\u0131n mukavemet testi stop vanas\u0131n\u0131nkiyle ayn\u0131d\u0131r. Kelebek vanan\u0131n s\u0131zd\u0131rmazl\u0131k performans\u0131 testi, test ortam\u0131n\u0131 orta ak\u0131\u015f\u0131n ucundan uygulamal\u0131, kelebek plaka a\u00e7\u0131lmal\u0131, di\u011fer u\u00e7 kapat\u0131lmal\u0131 ve enjeksiyon bas\u0131nc\u0131 belirtilen de\u011fere ula\u015fmal\u0131d\u0131r; Salmastra ve di\u011fer contalarda s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol ettikten sonra kelebek plakay\u0131 kapat\u0131n, di\u011fer ucunu a\u00e7\u0131n ve kelebe\u011fi kontrol edin. Plaka contas\u0131nda s\u0131z\u0131nt\u0131 yok. Ak\u0131\u015f\u0131 ayarlamak i\u00e7in kullan\u0131lan kelebek vana s\u0131zd\u0131rmazl\u0131k performans\u0131 a\u00e7\u0131s\u0131ndan test edilemez.<\/p>\n\n\n\n
5. Fi\u015fli Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n- Tapa valfi bir mukavemet testine tabi tutuldu\u011funda, ortam bir u\u00e7tan verilir, geri kalan ge\u00e7itler kapat\u0131l\u0131r ve t\u0131pa, test i\u00e7in tamamen a\u00e7\u0131k \u00e7al\u0131\u015fma konumlar\u0131na d\u00f6nd\u00fcr\u00fcl\u00fcr. Valf g\u00f6vdesi herhangi bir s\u0131z\u0131nt\u0131 olmadan niteliklidir.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi s\u0131ras\u0131nda d\u00fcz tapa, bo\u015fluktaki bas\u0131nc\u0131 ge\u00e7it bas\u0131nc\u0131na e\u015fit tutmal\u0131, tapay\u0131 kapal\u0131 konuma d\u00f6nd\u00fcrmeli, di\u011fer u\u00e7tan kontrol etmeli ve ard\u0131ndan yukar\u0131daki testi tekrarlamak i\u00e7in tapay\u0131 180\u00b0 d\u00f6nd\u00fcrmelidir. ; \u00fc\u00e7 yollu veya d\u00f6rt yollu tapa valfi Bo\u015fluktaki ve ge\u00e7idin bir ucundaki bas\u0131n\u00e7 e\u015fit tutulmal\u0131, durdurucu kapal\u0131 konuma d\u00f6nd\u00fcr\u00fclmeli, buna kar\u015f\u0131l\u0131k bas\u0131n\u00e7 dik a\u00e7\u0131l\u0131 u\u00e7tan verilmelidir, ve di\u011fer ucu ayn\u0131 anda incelenmelidir.<\/li>
- Tapa valfi testinden \u00f6nce, s\u0131zd\u0131rmazl\u0131k y\u00fczeyine asidik olmayan seyreltilmi\u015f bir ya\u011flama ya\u011f\u0131 tabakas\u0131 uygulanmas\u0131na izin verilir ve belirtilen s\u00fcre i\u00e7inde hi\u00e7bir s\u0131z\u0131nt\u0131 veya geni\u015flemi\u015f su damlac\u0131klar\u0131 nitelendirilmez. Tapa valfinin test s\u00fcresi, nominal \u00e7apa g\u00f6re genellikle 1 ~ 3 dakika daha k\u0131sa olabilir.<\/li>
- Gaz plug vanas\u0131, \u00e7al\u0131\u015fma bas\u0131nc\u0131n\u0131n 1,25 kat\u0131 bas\u0131n\u00e7ta hava s\u0131zd\u0131rmazl\u0131\u011f\u0131 a\u00e7\u0131s\u0131ndan test edilecektir.<\/li><\/ul>\n\n\n\n
6. Diyaframl\u0131 Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n<\/figure>\n<\/div>\n\n\nDiyafram valf mukavemet testinde her iki u\u00e7tan ortam verilir, valf kapa\u011f\u0131 a\u00e7\u0131l\u0131r ve di\u011fer u\u00e7 kapat\u0131l\u0131r. Test bas\u0131nc\u0131 belirlenen de\u011fere \u00e7\u0131kt\u0131ktan sonra vana g\u00f6vdesinde ve kapa\u011f\u0131nda s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131 kontrol edilir. Daha sonra bas\u0131nc\u0131 s\u0131zd\u0131rmazl\u0131k testi bas\u0131nc\u0131na d\u00fc\u015f\u00fcr\u00fcn, valf kapa\u011f\u0131n\u0131 kapat\u0131n ve di\u011fer ucunu inceleme i\u00e7in a\u00e7\u0131n. Hi\u00e7bir s\u0131z\u0131nt\u0131 nitelikli kabul edilmez.<\/p>\n\n\n\n
7. Stop Valf\u0131 ve K\u0131sma Valfinin Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
Durdurma vanas\u0131n\u0131n ve gaz kelebe\u011finin mukavemet testi i\u00e7in, genellikle monte edilmi\u015f vanay\u0131 bas\u0131n\u00e7 test raf\u0131na koyun, diski a\u00e7\u0131n, ortam\u0131 belirtilen de\u011fere kadar enjekte edin ve vana g\u00f6vdesini ve vanay\u0131 kontrol edin. Kapa\u011f\u0131n terleyip s\u0131zd\u0131rmad\u0131\u011f\u0131n\u0131 kontrol edin. . Mukavemet testi tek par\u00e7a \u00fczerinde de yap\u0131labilir. S\u0131zd\u0131rmazl\u0131k testleri i\u00e7in sadece stop vanalar\u0131 kullan\u0131l\u0131r. Test s\u0131ras\u0131nda, kesme vanas\u0131n\u0131n valf g\u00f6vdesi dikey durumdad\u0131r, valf kapa\u011f\u0131 a\u00e7\u0131l\u0131r ve valf kapa\u011f\u0131n\u0131n alt ucundan belirtilen de\u011fere kadar ortam verilir. Salmastray\u0131 ve contay\u0131 kontrol edin; Testi ge\u00e7tikten sonra valf kapa\u011f\u0131n\u0131 kapat\u0131n ve di\u011fer ucunu a\u00e7arak s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol edin. Hem vana mukavemeti hem de s\u0131zd\u0131rmazl\u0131k testi yap\u0131lacaksa \u00f6nce mukavemet testi yap\u0131labilir, daha sonra bas\u0131n\u00e7 s\u0131zd\u0131rmazl\u0131k testi i\u00e7in belirtilen de\u011fere d\u00fc\u015f\u00fcr\u00fclerek salmastra ve contalar kontrol edilir; daha sonra vana klapesi kapat\u0131l\u0131p \u00e7\u0131k\u0131\u015f ucu a\u00e7\u0131larak s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin s\u0131zd\u0131r\u0131p s\u0131zd\u0131rmad\u0131\u011f\u0131 kontrol edilir.<\/p>\n\n\n\n
8. S\u00fcrg\u00fcl\u00fc Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi <\/h2>\n\n\n\n
S\u00fcrg\u00fcl\u00fc vanan\u0131n mukavemet testi k\u00fcresel vanan\u0131nkiyle ayn\u0131d\u0131r. S\u00fcrg\u00fcl\u00fc vanan\u0131n s\u0131zd\u0131rmazl\u0131k testi i\u00e7in iki y\u00f6ntem vard\u0131r.<\/p>\n\n\n\n
- Valfteki bas\u0131nc\u0131 belirtilen de\u011fere \u00e7\u0131karmak i\u00e7in kap\u0131y\u0131 a\u00e7\u0131n; daha sonra kap\u0131y\u0131 kapat\u0131n ve kap\u0131n\u0131n her iki taraf\u0131ndaki contalarda herhangi bir s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in hemen s\u00fcrg\u00fcl\u00fc vanay\u0131 \u00e7\u0131kar\u0131n veya test ortam\u0131n\u0131 vana kapa\u011f\u0131ndaki tapaya belirtilen de\u011fere kadar do\u011frudan enjekte edin, Her iki taraftaki contalar\u0131 kontrol edin. kap\u0131n\u0131n yanlar\u0131. Yukar\u0131daki y\u00f6nteme ara bas\u0131n\u00e7 testi denir. Bu y\u00f6ntem, nominal \u00e7ap\u0131 DN32 mm'nin alt\u0131nda olan s\u00fcrg\u00fcl\u00fc vanalarda s\u0131zd\u0131rmazl\u0131k testleri i\u00e7in uygun de\u011fildir.<\/li>
- Di\u011fer bir y\u00f6ntem ise vanan\u0131n test bas\u0131nc\u0131n\u0131 belirlenen de\u011fere \u00e7\u0131karmak i\u00e7in kapa\u011f\u0131 a\u00e7makt\u0131r; daha sonra kap\u0131y\u0131 kapat\u0131n ve s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin s\u0131z\u0131nt\u0131 yap\u0131p yapmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in k\u00f6r plakay\u0131 bir ucundan a\u00e7\u0131n. Yukar\u0131daki testin \u0131zgaraya kadar tekrarlanan etkile\u015fimi sa\u011flamak i\u00e7in daha da d\u00fc\u015ft\u00fc.<\/li>
- Pn\u00f6matik s\u00fcrg\u00fcl\u00fc vana salmastra ve conta s\u0131zd\u0131rmazl\u0131k testleri, kap\u0131 s\u0131zd\u0131rmazl\u0131k testinden \u00f6nce yap\u0131lmal\u0131d\u0131r.<\/li><\/ul>\n\n\n\n
9. Emniyet Valfinin Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n- Emniyet valfinin mukavemet testi di\u011fer valflerinkiyle ayn\u0131d\u0131r. Su ile test edilir. Valf g\u00f6vdesinin alt k\u0131sm\u0131 test edilirken, giri\u015f I=I ucundan bas\u0131n\u00e7 uygulan\u0131r ve s\u0131zd\u0131rmazl\u0131k y\u00fczeyi kapat\u0131l\u0131r; Valf g\u00f6vdesinin \u00fcst k\u0131sm\u0131 ve kapak test edilirken \u00e7\u0131k\u0131\u015f El ucundan bas\u0131n\u00e7 verilir ve di\u011fer u\u00e7lar kapat\u0131l\u0131r. Belirtilen s\u00fcre i\u00e7inde valf g\u00f6vdesinde ve kapa\u011f\u0131nda s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi ve sabit bas\u0131n\u00e7 testi i\u00e7in genel kullan\u0131m ortam\u0131 \u015f\u00f6yledir: buhar emniyet valfi, test ortam\u0131 olarak doymu\u015f buhar\u0131 kullan\u0131r; amonyak veya di\u011fer gaz vanalar\u0131 test ortam\u0131 olarak havay\u0131 kullan\u0131r; su ve di\u011fer a\u015f\u0131nd\u0131r\u0131c\u0131 olmayan s\u0131v\u0131 vanalar\u0131, test ortam\u0131 olarak suyu kullan\u0131r. Baz\u0131 \u00f6nemli konumlardaki emniyet valfleri i\u00e7in test ortam\u0131 olarak \u00e7o\u011funlukla nitrojen kullan\u0131l\u0131r.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi, test bas\u0131nc\u0131 olarak nominal bas\u0131n\u00e7 de\u011feri ile yap\u0131lacak, say\u0131s\u0131 ikiden az olmayacak ve belirtilen s\u00fcrede s\u0131z\u0131nt\u0131 olmad\u0131\u011f\u0131 kabul edilecektir. \u0130ki s\u0131z\u0131nt\u0131 tespit y\u00f6ntemi vard\u0131r: Biri emniyet valfinin ba\u011flant\u0131 yerlerini kapatmak ve \u00e7\u0131k\u0131\u015f\u0131n flan\u015f\u0131ndaki ince ka\u011f\u0131d\u0131 tereya\u011f\u0131 kullanarak kapatmakt\u0131r. \u00c7\u0131k\u0131\u015f flan\u015f\u0131n\u0131n alt k\u0131sm\u0131na plastik plaka veya ba\u015fka bir plaka contas\u0131 tak\u0131l\u0131r ve valf diski su ile kapat\u0131l\u0131r. Suyun kabarc\u0131klanmamas\u0131 niteliklidir. Emniyet ventilinin sabit bas\u0131n\u00e7 ve d\u00f6n\u00fc\u015f bas\u0131nc\u0131 test s\u00fcreleri 3 kat\u0131ndan az olmamakta olup, mevzuata uygun niteliktedir. Emniyet valflerinin \u00e7e\u015fitli performans testleri, GB\/T 12242-1989 Emniyet Valf\u0131 Performans Test Y\u00f6ntemlerine at\u0131fta bulunur.<\/li><\/ul>\n\n\n\n
Vana Bas\u0131n\u00e7 Testi Y\u00f6netmeli\u011fi<\/h2>\n\n\n\n- Ambalaj a\u00e7\u0131ld\u0131ktan sonra t\u00fcm vanalar g\u00f6rsel olarak kontrol edilmeli, vana g\u00f6vdesi \u00fczerinde bir plaka bulunmal\u0131, \u00fcr\u00fcn kalite belgeleri tamamlanm\u0131\u015f, vana kapal\u0131, di\u011ferinin mavi y\u00fczeye zarar veremeyece\u011fi, kirli olmad\u0131\u011f\u0131, her iki ucu anti koruma kapa\u011f\u0131 ile kapat\u0131lm\u0131\u015f , vesaire.<\/li>
- Operat\u00f6r bas\u0131n\u00e7 test tezgah\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131na a\u015fina olmal\u0131d\u0131r.<\/li>
- JHA valf bas\u0131n\u00e7 testi m\u00fckemmeldir ve operat\u00f6r, valf bas\u0131n\u00e7 testinin ve ters ta\u015f\u0131man\u0131n g\u00fcvenlik tehlikelerine a\u015fina olmal\u0131 ve ilgili \u00f6nleyici tedbirleri almal\u0131d\u0131r.<\/li>
- Valf bas\u0131n\u00e7 testi s\u00fcreci, valf kabu\u011fu mukavemet testi, \u00fcst conta testi ve conta testinden olu\u015fur.
- Valf kabu\u011funun mukavemeti i\u00e7in test ortam\u0131 sudur, bas\u0131n\u00e7, valfin nominal bas\u0131nc\u0131n\u0131n 1,5 kat\u0131d\u0131r, bas\u0131n\u00e7 tutma s\u00fcresi 5 dakikad\u0131r ve damlama veya nem olu\u015fmaz.<\/li>
- Valf \u00fczerindeki s\u0131zd\u0131rmazl\u0131k test ortam\u0131 su kullan\u0131r, bas\u0131n\u00e7 nominal bas\u0131nc\u0131n 1,5 kat\u0131d\u0131r, tutma s\u00fcresi DN\u226450 i\u00e7in 15 saniyedir, 65\u2264DN\u2264300 i\u00e7in 60 saniyedir ve DN\u2265350 i\u00e7in 120 saniyedir. Hi\u00e7bir s\u0131z\u0131nt\u0131 nitelikli de\u011fildir.<\/li>
- Valf s\u0131zd\u0131rmazl\u0131k testi: D\u00fc\u015f\u00fck bas\u0131n\u00e7l\u0131 s\u0131zd\u0131rmazl\u0131k testi yap\u0131l\u0131r. Test ortam\u0131 havad\u0131r (s\u00fcrg\u00fcl\u00fc vana), bas\u0131n\u00e7 0,6 MPa'd\u0131r, bas\u0131n\u00e7 tutma s\u00fcresi DN\u226450 i\u00e7in 15 saniyedir, 65\u2264DN\u2264150 i\u00e7in 60 saniyedir ve DN\u2267200 i\u00e7in 120 saniyedir. Gereksinim niteliklidir.<\/li>
- Bas\u0131n\u00e7 testi onayland\u0131ktan sonra vana bo\u015flu\u011fundaki su bas\u0131n\u00e7l\u0131 hava ile zaman\u0131nda kurutulmal\u0131d\u0131r.<\/li>
- Bas\u0131n\u00e7 testini ge\u00e7en vanalar vana g\u00f6vdesi \u00fczerinde \u221a ile i\u015faretlenir, uygun olmayan vanalar ise \u00d7 ile i\u015faretlenir.<\/li>
- Bas\u0131n\u00e7 testi sonras\u0131nda vanalar cihaz\u0131n tipine ve \u00f6zelliklerine g\u00f6re ayr\u0131 ayr\u0131 istiflenmeli, vas\u0131fs\u0131z \u00fcr\u00fcnler ise ayr\u0131 ayr\u0131 istiflenmelidir; her istifleme alan\u0131na net bir i\u015faret konulmal\u0131d\u0131r. Bas\u0131n\u00e7 testinden sonra vana kapat\u0131l\u0131p contalanmal\u0131 ve istif alan\u0131nda renkli bezle \u00f6rt\u00fcl\u00fcp korunmal\u0131d\u0131r.<\/li>
- Vana bas\u0131n\u00e7 testi sonras\u0131nda \u201cVana\/Boru Montaj Test Kayd\u0131\u201d cihaza g\u00f6re zaman\u0131nda doldurulmal\u0131 ve vana g\u00f6vdesi \u00fczerindeki sat\u0131n alma s\u00f6zle\u015fme numaras\u0131 ile model kolonu doldurulmal\u0131d\u0131r.<\/li>
- Testi ge\u00e7en vanalar i\u00e7in \u201cVana D\u00fczenleme Kayd\u0131\u201dn\u0131n hem d\u00fczenleyen hem de alan taraflarca doldurularak imzalanmas\u0131 gerekmektedir.<\/li>
- Niteliksiz vanalar\u0131n ayr\u0131 bir \u201cNiteliksiz Vana Bilgi Defteri\u201d olu\u015fturmas\u0131 gerekir<\/li><\/ul><\/li><\/ul>\n\n\n\n
<\/figure>\n<\/div>\n\n\n\n\u0130lgili Etiketler :<\/h2>\n\n\n\n\n\nZECO Valf<\/a>\n\n<\/div>\n\n\n\n\nHava Valfi Nedir? Hava Valfi \u00c7e\u015fitleri \u2013 Hava Tahliye Valfi<\/a>\n\n<\/div>\n\n\n\n\nPirin\u00e7 K\u00fcresel Vana \u2013 Pirin\u00e7 K\u00fcresel Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nKelebek Vana Wafer Tipi \u2013 Wafer Tip Kelebek Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nDengeleme Vanas\u0131 \u2013 Profesyonel HVAC Vanalar\u0131 \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nWafer \u00c7ek Valf \u2013 API 594 \u00c7ek Valf \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nElektrikli K\u00fcresel Vana \u2013 Elektrikli K\u00fcresel Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\n\u00c7ek Valf \u2013 Profesyonel \u00c7ek Valf \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nMotorlu Vana \u2013 Motorlu S\u00fcrg\u00fcl\u00fc Vana \/ K\u00fcresel Vana<\/a>\n\n<\/div>\n\n\n\n\nElektrikli Akt\u00fcat\u00f6rl\u00fc K\u00fcresel Vana \u2013 Motorlu K\u00fcresel Vana Tedarik\u00e7ileri<\/a>\n\n<\/div>\n\n\n\n\nMotorlu Vana \u2013 Motorlu K\u00fcresel Vana & Motorlu Kelebek Vana<\/a>\n\n<\/div>\n\n\n\n\nK\u00fcresel Vana Paslanmaz \u00c7elik \u2013 Paslanmaz \u00c7elik K\u00fcresel Vana<\/a>\n\n<\/div>\n\n\n\n\nHVAC Vanas\u0131 \u2013 Dengeleme Vanas\u0131 ve PICV<\/a>\n\n<\/div>\n\n\n\u3000<\/span><\/p>\n<\/p>\n
\u00d6ncesi ve sonras\u0131yla on makale<\/p>\n
Bas\u0131n\u00e7 contal\u0131 s\u00fcrg\u00fcl\u00fc vana, BW 900LB s\u00fcrg\u00fcl\u00fc vana, \u00c7in bas\u0131n\u00e7 contal\u0131 s\u00fcrg\u00fcl\u00fc vana tedarik\u00e7ileri - Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00c7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\npaslanmaz \u00e7elik kelebek vana, \u00fc\u00e7l\u00fc ofset kelebek vana \u2013 Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcre vana fabrikas\u0131, inconel 625 k\u00fcre vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nY\u00fcksek bas\u0131n\u00e7 valfi, WCC kap\u0131s\u0131 lvave \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nFarkl\u0131 Uygulama Ko\u015fullar\u0131nda Kelebek Vana ve S\u00fcrg\u00fcl\u00fc Vana | API 6D k\u00fcresel vana \u00fcreticisi<\/a><\/p>\nD\u00f6ner Kontrol Vanalar\u0131 Hakk\u0131nda Bilgi Edinin | API 6D k\u00fcresel vana \u00fcreticisi<\/a><\/p>\nZirkonyum \u00e7ift plakal\u0131 wafer \u00e7ek valf, ASTM B752 Gr. 702C \u00e7ift plakal\u0131 gofret \u00e7ek valf \u2013 Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nSeviye kumandal\u0131 4 "kelebek vana, sfero d\u00f6k\u00fcm kelebek vana, Viton kapl\u0131 kelebek vana, \u00c7in'de yap\u0131lan viton kapl\u0131 kelebek vana - Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00e7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\ny\u00fcksek bas\u0131n\u00e7 kontrol vanas\u0131, 2500LB kontrol vanas\u0131 \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcre vana fabrikas\u0131, inconel 625 k\u00fcre vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\nbronz k\u00fcresel vana, k\u00fcresel vana C95800 \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
BW 900LB \u00e7ek valf<\/figcaption><\/figure>\n<\/div>\n\n\n
Normal \u015fartlarda, end\u00fcstriyel vanalar kullan\u0131m s\u0131ras\u0131nda mukavemet testlerine tabi tutulmaz, ancak g\u00f6vde ve kapak veya korozyondan zarar g\u00f6ren vana g\u00f6vdesi ve kapak onar\u0131mdan sonra dayan\u0131kl\u0131l\u0131k a\u00e7\u0131s\u0131ndan test edilmelidir. Emniyet valfleri i\u00e7in ayar bas\u0131nc\u0131 ve d\u00f6n\u00fc\u015f bas\u0131nc\u0131 ile di\u011fer testler, spesifikasyonlara ve ilgili d\u00fczenlemelere uygun olacakt\u0131r. Vana tesisat\u0131n\u0131n mukavemet ve s\u0131zd\u0131rmazl\u0131k testi yap\u0131lmal\u0131d\u0131r. 20% al\u00e7ak bas\u0131n\u00e7 valfleri rastgele kontrol edilmelidir. Niteliksizlerse 100% kontrol edilmeli; orta ve y\u00fcksek bas\u0131n\u00e7 vanalar\u0131 100% kontrol edilmelidir. Valf bas\u0131n\u00e7 testi i\u00e7in yayg\u0131n olarak kullan\u0131lan ortamlar aras\u0131nda su, ya\u011f, hava, buhar, nitrojen vb. yer al\u0131r. Pn\u00f6matik valfler de dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstriyel valfler i\u00e7in bas\u0131n\u00e7 testi y\u00f6ntemleri a\u015fa\u011f\u0131daki gibidir:<\/p>\n\n\n\n
1. K\u00fcresel Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
Pn\u00f6matik k\u00fcresel vanan\u0131n mukavemet testi, bilya yar\u0131 a\u00e7\u0131kken yap\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n
- Y\u00fczer k\u00fcresel vana s\u0131zd\u0131rmazl\u0131k testi: vanay\u0131 yar\u0131 a\u00e7\u0131k duruma getirin, test ortam\u0131n\u0131 bir ucuna koyun ve di\u011fer ucunu kapat\u0131n; Bilyay\u0131 birka\u00e7 kez d\u00f6nd\u00fcr\u00fcn, vana kapal\u0131 durumdayken kapal\u0131 ucu a\u00e7\u0131n ve ayn\u0131 anda salmastra ve contadaki s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 kontrol edin. S\u0131z\u0131nt\u0131 olmamal\u0131d\u0131r. Daha sonra test ortam\u0131n\u0131 di\u011fer u\u00e7tan ekleyin ve yukar\u0131daki testi tekrarlay\u0131n.<\/li>
- Muylu k\u00fcresel vana s\u0131zd\u0131rmazl\u0131k testi: testten \u00f6nce, k\u00fcreyi y\u00fcks\u00fcz olarak birka\u00e7 kez d\u00f6nd\u00fcr\u00fcn, sabit k\u00fcresel vana kapal\u0131 durumdad\u0131r ve test ortam\u0131 bir u\u00e7tan belirtilen de\u011fere kadar sokulur; bas\u0131n\u00e7 g\u00f6stergesi giri\u015f ucunun s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 kontrol etmek i\u00e7in kullan\u0131l\u0131r ve bas\u0131n\u00e7 g\u00f6stergesinin do\u011frulu\u011fu Seviye 5 ila 1'dir, aral\u0131k test bas\u0131nc\u0131n\u0131n 1,5 kat\u0131d\u0131r. Belirtilen s\u00fcre i\u00e7erisinde nitelikli bir dekompresyon olgusu ya\u015fanmaz; daha sonra test ortam\u0131n\u0131 di\u011fer u\u00e7tan ekleyin ve yukar\u0131daki testi tekrarlay\u0131n. Daha sonra, vanay\u0131 her iki ucu kapal\u0131 ve i\u00e7 bo\u015fluk maddeyle doldurulmu\u015f \u015fekilde yar\u0131 a\u00e7\u0131k duruma getirin, salmastray\u0131 ve contay\u0131 test bas\u0131nc\u0131 alt\u0131nda kontrol edin; herhangi bir s\u0131z\u0131nt\u0131 olmamal\u0131d\u0131r.<\/li>
- \u00dc\u00e7 yollu k\u00fcresel vana \u00e7e\u015fitli konumlarda s\u0131zd\u0131rmazl\u0131k a\u00e7\u0131s\u0131ndan test edilmelidir.<\/li><\/ul>\n\n\n\n
2. Bas\u0131n\u00e7 Test Y\u00f6ntemi \u00c7ek Valf<\/a> <\/strong><\/h2>\n\n\n\n
\u00c7ek valf test durumu: Kald\u0131rma \u00e7ek valf diski ekseni yataya dik bir konumdad\u0131r; swing \u00e7ek valf kanal ekseni ve disk ekseni yatay \u00e7izgiye yakla\u015f\u0131k olarak paralel konumdad\u0131r. Mukavemet testinde giri\u015f ucundan belirlenen de\u011fere kadar test ortam\u0131 verilir ve di\u011fer u\u00e7 kapat\u0131l\u0131r. Valf g\u00f6vdesinde ve kapakta s\u0131z\u0131nt\u0131 yoksa niteliklidir. S\u0131zd\u0131rmazl\u0131k testinde test ortam\u0131 \u00e7\u0131k\u0131\u015f ucundan verilir ve giri\u015f ucunda s\u0131zd\u0131rmazl\u0131k y\u00fczeyi kontrol edilir. Salmastra ve contada s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/p>\n\n\n\n
3. Bas\u0131n\u00e7 Test Y\u00f6ntemi Bas\u0131n\u00e7 D\u00fc\u015f\u00fcr\u00fcc\u00fc vana<\/mark><\/strong><\/a><\/h2>\n\n\n\n
- G\u00fc\u00e7 testi bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> Genellikle tek par\u00e7a testinden sonra montaj\u0131 yap\u0131l\u0131r ve montaj sonras\u0131nda da test edilebilir. Mukavemet testinin s\u00fcresi: DN150mm i\u00e7in 1 dakika. K\u00f6r\u00fck ve aksamlar kaynakland\u0131ktan sonra, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanadan sonra en y\u00fcksek bas\u0131nc\u0131n 1,5 kat\u0131 kadar bas\u0131n\u00e7 uygulanarak hava ile mukavemet testi yap\u0131l\u0131r.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi ger\u00e7ek \u00e7al\u0131\u015fma ortam\u0131na g\u00f6re yap\u0131lacakt\u0131r. Hava veya su ile test yaparken, testi nominal bas\u0131nc\u0131n 1,1 kat\u0131 bas\u0131n\u00e7ta ger\u00e7ekle\u015ftirin; Buharla test yaparken testi, \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 alt\u0131nda izin verilen en y\u00fcksek \u00e7al\u0131\u015fma bas\u0131nc\u0131nda ger\u00e7ekle\u015ftirin. Giri\u015f bas\u0131nc\u0131 ile \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 aras\u0131ndaki fark 0,2 MPa'dan az olmamal\u0131d\u0131r. Test y\u00f6ntemi \u015fu \u015fekildedir: Giri\u015f bas\u0131nc\u0131 ayarland\u0131ktan sonra, vanan\u0131n ayar vidas\u0131n\u0131, \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131n\u0131n durgunluk veya s\u0131k\u0131\u015fma olmadan maksimum ve minimum de\u011ferler aral\u0131\u011f\u0131nda hassas ve s\u00fcrekli olarak de\u011fi\u015febilece\u011fi \u015fekilde kademeli olarak ayarlay\u0131n. Buhar bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanada giri\u015f bas\u0131nc\u0131 ayarland\u0131\u011f\u0131nda vana kapat\u0131ld\u0131ktan sonra vana kapan\u0131r ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 en y\u00fcksek ve en d\u00fc\u015f\u00fck de\u011fer olur. 2 dakika i\u00e7inde \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131ndaki art\u0131\u015f Tablo 4.176-22'deki gereksinimleri kar\u015f\u0131lamal\u0131d\u0131r. Ayn\u0131 zamanda vanan\u0131n arkas\u0131ndaki boru hatt\u0131n\u0131n hacmi de Tablo 4.18'de belirtilen gereksinimleri kar\u015f\u0131layan nitelikli olarak; Su ve hava bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanalarda giri\u015f bas\u0131nc\u0131 ayarl\u0131 ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 s\u0131f\u0131r oldu\u011funda, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> kapat\u0131larak s\u0131zd\u0131rmazl\u0131k testi yap\u0131l\u0131r. 2 dakika i\u00e7inde s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/li><\/ul>\n\n\n\n
4. Kelebek Vanan\u0131n bas\u0131n\u00e7 testi y\u00f6ntemi<\/h2>\n\n\n\n
Pn\u00f6matik kelebek vanan\u0131n mukavemet testi stop vanas\u0131n\u0131nkiyle ayn\u0131d\u0131r. Kelebek vanan\u0131n s\u0131zd\u0131rmazl\u0131k performans\u0131 testi, test ortam\u0131n\u0131 orta ak\u0131\u015f\u0131n ucundan uygulamal\u0131, kelebek plaka a\u00e7\u0131lmal\u0131, di\u011fer u\u00e7 kapat\u0131lmal\u0131 ve enjeksiyon bas\u0131nc\u0131 belirtilen de\u011fere ula\u015fmal\u0131d\u0131r; Salmastra ve di\u011fer contalarda s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol ettikten sonra kelebek plakay\u0131 kapat\u0131n, di\u011fer ucunu a\u00e7\u0131n ve kelebe\u011fi kontrol edin. Plaka contas\u0131nda s\u0131z\u0131nt\u0131 yok. Ak\u0131\u015f\u0131 ayarlamak i\u00e7in kullan\u0131lan kelebek vana s\u0131zd\u0131rmazl\u0131k performans\u0131 a\u00e7\u0131s\u0131ndan test edilemez.<\/p>\n\n\n\n
5. Fi\u015fli Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
- Tapa valfi bir mukavemet testine tabi tutuldu\u011funda, ortam bir u\u00e7tan verilir, geri kalan ge\u00e7itler kapat\u0131l\u0131r ve t\u0131pa, test i\u00e7in tamamen a\u00e7\u0131k \u00e7al\u0131\u015fma konumlar\u0131na d\u00f6nd\u00fcr\u00fcl\u00fcr. Valf g\u00f6vdesi herhangi bir s\u0131z\u0131nt\u0131 olmadan niteliklidir.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi s\u0131ras\u0131nda d\u00fcz tapa, bo\u015fluktaki bas\u0131nc\u0131 ge\u00e7it bas\u0131nc\u0131na e\u015fit tutmal\u0131, tapay\u0131 kapal\u0131 konuma d\u00f6nd\u00fcrmeli, di\u011fer u\u00e7tan kontrol etmeli ve ard\u0131ndan yukar\u0131daki testi tekrarlamak i\u00e7in tapay\u0131 180\u00b0 d\u00f6nd\u00fcrmelidir. ; \u00fc\u00e7 yollu veya d\u00f6rt yollu tapa valfi Bo\u015fluktaki ve ge\u00e7idin bir ucundaki bas\u0131n\u00e7 e\u015fit tutulmal\u0131, durdurucu kapal\u0131 konuma d\u00f6nd\u00fcr\u00fclmeli, buna kar\u015f\u0131l\u0131k bas\u0131n\u00e7 dik a\u00e7\u0131l\u0131 u\u00e7tan verilmelidir, ve di\u011fer ucu ayn\u0131 anda incelenmelidir.<\/li>
- Tapa valfi testinden \u00f6nce, s\u0131zd\u0131rmazl\u0131k y\u00fczeyine asidik olmayan seyreltilmi\u015f bir ya\u011flama ya\u011f\u0131 tabakas\u0131 uygulanmas\u0131na izin verilir ve belirtilen s\u00fcre i\u00e7inde hi\u00e7bir s\u0131z\u0131nt\u0131 veya geni\u015flemi\u015f su damlac\u0131klar\u0131 nitelendirilmez. Tapa valfinin test s\u00fcresi, nominal \u00e7apa g\u00f6re genellikle 1 ~ 3 dakika daha k\u0131sa olabilir.<\/li>
- Gaz plug vanas\u0131, \u00e7al\u0131\u015fma bas\u0131nc\u0131n\u0131n 1,25 kat\u0131 bas\u0131n\u00e7ta hava s\u0131zd\u0131rmazl\u0131\u011f\u0131 a\u00e7\u0131s\u0131ndan test edilecektir.<\/li><\/ul>\n\n\n\n
6. Diyaframl\u0131 Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n
\n<\/figure>\n<\/div>\n\n\nDiyafram valf mukavemet testinde her iki u\u00e7tan ortam verilir, valf kapa\u011f\u0131 a\u00e7\u0131l\u0131r ve di\u011fer u\u00e7 kapat\u0131l\u0131r. Test bas\u0131nc\u0131 belirlenen de\u011fere \u00e7\u0131kt\u0131ktan sonra vana g\u00f6vdesinde ve kapa\u011f\u0131nda s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131 kontrol edilir. Daha sonra bas\u0131nc\u0131 s\u0131zd\u0131rmazl\u0131k testi bas\u0131nc\u0131na d\u00fc\u015f\u00fcr\u00fcn, valf kapa\u011f\u0131n\u0131 kapat\u0131n ve di\u011fer ucunu inceleme i\u00e7in a\u00e7\u0131n. Hi\u00e7bir s\u0131z\u0131nt\u0131 nitelikli kabul edilmez.<\/p>\n\n\n\n
7. Stop Valf\u0131 ve K\u0131sma Valfinin Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
Durdurma vanas\u0131n\u0131n ve gaz kelebe\u011finin mukavemet testi i\u00e7in, genellikle monte edilmi\u015f vanay\u0131 bas\u0131n\u00e7 test raf\u0131na koyun, diski a\u00e7\u0131n, ortam\u0131 belirtilen de\u011fere kadar enjekte edin ve vana g\u00f6vdesini ve vanay\u0131 kontrol edin. Kapa\u011f\u0131n terleyip s\u0131zd\u0131rmad\u0131\u011f\u0131n\u0131 kontrol edin. . Mukavemet testi tek par\u00e7a \u00fczerinde de yap\u0131labilir. S\u0131zd\u0131rmazl\u0131k testleri i\u00e7in sadece stop vanalar\u0131 kullan\u0131l\u0131r. Test s\u0131ras\u0131nda, kesme vanas\u0131n\u0131n valf g\u00f6vdesi dikey durumdad\u0131r, valf kapa\u011f\u0131 a\u00e7\u0131l\u0131r ve valf kapa\u011f\u0131n\u0131n alt ucundan belirtilen de\u011fere kadar ortam verilir. Salmastray\u0131 ve contay\u0131 kontrol edin; Testi ge\u00e7tikten sonra valf kapa\u011f\u0131n\u0131 kapat\u0131n ve di\u011fer ucunu a\u00e7arak s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol edin. Hem vana mukavemeti hem de s\u0131zd\u0131rmazl\u0131k testi yap\u0131lacaksa \u00f6nce mukavemet testi yap\u0131labilir, daha sonra bas\u0131n\u00e7 s\u0131zd\u0131rmazl\u0131k testi i\u00e7in belirtilen de\u011fere d\u00fc\u015f\u00fcr\u00fclerek salmastra ve contalar kontrol edilir; daha sonra vana klapesi kapat\u0131l\u0131p \u00e7\u0131k\u0131\u015f ucu a\u00e7\u0131larak s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin s\u0131zd\u0131r\u0131p s\u0131zd\u0131rmad\u0131\u011f\u0131 kontrol edilir.<\/p>\n\n\n\n
8. S\u00fcrg\u00fcl\u00fc Vanan\u0131n Bas\u0131n\u00e7 Test Y\u00f6ntemi <\/h2>\n\n\n\n
S\u00fcrg\u00fcl\u00fc vanan\u0131n mukavemet testi k\u00fcresel vanan\u0131nkiyle ayn\u0131d\u0131r. S\u00fcrg\u00fcl\u00fc vanan\u0131n s\u0131zd\u0131rmazl\u0131k testi i\u00e7in iki y\u00f6ntem vard\u0131r.<\/p>\n\n\n\n
- Valfteki bas\u0131nc\u0131 belirtilen de\u011fere \u00e7\u0131karmak i\u00e7in kap\u0131y\u0131 a\u00e7\u0131n; daha sonra kap\u0131y\u0131 kapat\u0131n ve kap\u0131n\u0131n her iki taraf\u0131ndaki contalarda herhangi bir s\u0131z\u0131nt\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in hemen s\u00fcrg\u00fcl\u00fc vanay\u0131 \u00e7\u0131kar\u0131n veya test ortam\u0131n\u0131 vana kapa\u011f\u0131ndaki tapaya belirtilen de\u011fere kadar do\u011frudan enjekte edin, Her iki taraftaki contalar\u0131 kontrol edin. kap\u0131n\u0131n yanlar\u0131. Yukar\u0131daki y\u00f6nteme ara bas\u0131n\u00e7 testi denir. Bu y\u00f6ntem, nominal \u00e7ap\u0131 DN32 mm'nin alt\u0131nda olan s\u00fcrg\u00fcl\u00fc vanalarda s\u0131zd\u0131rmazl\u0131k testleri i\u00e7in uygun de\u011fildir.<\/li>
- Di\u011fer bir y\u00f6ntem ise vanan\u0131n test bas\u0131nc\u0131n\u0131 belirlenen de\u011fere \u00e7\u0131karmak i\u00e7in kapa\u011f\u0131 a\u00e7makt\u0131r; daha sonra kap\u0131y\u0131 kapat\u0131n ve s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin s\u0131z\u0131nt\u0131 yap\u0131p yapmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in k\u00f6r plakay\u0131 bir ucundan a\u00e7\u0131n. Yukar\u0131daki testin \u0131zgaraya kadar tekrarlanan etkile\u015fimi sa\u011flamak i\u00e7in daha da d\u00fc\u015ft\u00fc.<\/li>
- Pn\u00f6matik s\u00fcrg\u00fcl\u00fc vana salmastra ve conta s\u0131zd\u0131rmazl\u0131k testleri, kap\u0131 s\u0131zd\u0131rmazl\u0131k testinden \u00f6nce yap\u0131lmal\u0131d\u0131r.<\/li><\/ul>\n\n\n\n
9. Emniyet Valfinin Bas\u0131n\u00e7 Test Y\u00f6ntemi<\/h2>\n\n\n\n
- Emniyet valfinin mukavemet testi di\u011fer valflerinkiyle ayn\u0131d\u0131r. Su ile test edilir. Valf g\u00f6vdesinin alt k\u0131sm\u0131 test edilirken, giri\u015f I=I ucundan bas\u0131n\u00e7 uygulan\u0131r ve s\u0131zd\u0131rmazl\u0131k y\u00fczeyi kapat\u0131l\u0131r; Valf g\u00f6vdesinin \u00fcst k\u0131sm\u0131 ve kapak test edilirken \u00e7\u0131k\u0131\u015f El ucundan bas\u0131n\u00e7 verilir ve di\u011fer u\u00e7lar kapat\u0131l\u0131r. Belirtilen s\u00fcre i\u00e7inde valf g\u00f6vdesinde ve kapa\u011f\u0131nda s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi ve sabit bas\u0131n\u00e7 testi i\u00e7in genel kullan\u0131m ortam\u0131 \u015f\u00f6yledir: buhar emniyet valfi, test ortam\u0131 olarak doymu\u015f buhar\u0131 kullan\u0131r; amonyak veya di\u011fer gaz vanalar\u0131 test ortam\u0131 olarak havay\u0131 kullan\u0131r; su ve di\u011fer a\u015f\u0131nd\u0131r\u0131c\u0131 olmayan s\u0131v\u0131 vanalar\u0131, test ortam\u0131 olarak suyu kullan\u0131r. Baz\u0131 \u00f6nemli konumlardaki emniyet valfleri i\u00e7in test ortam\u0131 olarak \u00e7o\u011funlukla nitrojen kullan\u0131l\u0131r.<\/li>
- S\u0131zd\u0131rmazl\u0131k testi, test bas\u0131nc\u0131 olarak nominal bas\u0131n\u00e7 de\u011feri ile yap\u0131lacak, say\u0131s\u0131 ikiden az olmayacak ve belirtilen s\u00fcrede s\u0131z\u0131nt\u0131 olmad\u0131\u011f\u0131 kabul edilecektir. \u0130ki s\u0131z\u0131nt\u0131 tespit y\u00f6ntemi vard\u0131r: Biri emniyet valfinin ba\u011flant\u0131 yerlerini kapatmak ve \u00e7\u0131k\u0131\u015f\u0131n flan\u015f\u0131ndaki ince ka\u011f\u0131d\u0131 tereya\u011f\u0131 kullanarak kapatmakt\u0131r. \u00c7\u0131k\u0131\u015f flan\u015f\u0131n\u0131n alt k\u0131sm\u0131na plastik plaka veya ba\u015fka bir plaka contas\u0131 tak\u0131l\u0131r ve valf diski su ile kapat\u0131l\u0131r. Suyun kabarc\u0131klanmamas\u0131 niteliklidir. Emniyet ventilinin sabit bas\u0131n\u00e7 ve d\u00f6n\u00fc\u015f bas\u0131nc\u0131 test s\u00fcreleri 3 kat\u0131ndan az olmamakta olup, mevzuata uygun niteliktedir. Emniyet valflerinin \u00e7e\u015fitli performans testleri, GB\/T 12242-1989 Emniyet Valf\u0131 Performans Test Y\u00f6ntemlerine at\u0131fta bulunur.<\/li><\/ul>\n\n\n\n
Vana Bas\u0131n\u00e7 Testi Y\u00f6netmeli\u011fi<\/h2>\n\n\n\n
- Ambalaj a\u00e7\u0131ld\u0131ktan sonra t\u00fcm vanalar g\u00f6rsel olarak kontrol edilmeli, vana g\u00f6vdesi \u00fczerinde bir plaka bulunmal\u0131, \u00fcr\u00fcn kalite belgeleri tamamlanm\u0131\u015f, vana kapal\u0131, di\u011ferinin mavi y\u00fczeye zarar veremeyece\u011fi, kirli olmad\u0131\u011f\u0131, her iki ucu anti koruma kapa\u011f\u0131 ile kapat\u0131lm\u0131\u015f , vesaire.<\/li>
- Operat\u00f6r bas\u0131n\u00e7 test tezgah\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131na a\u015fina olmal\u0131d\u0131r.<\/li>
- JHA valf bas\u0131n\u00e7 testi m\u00fckemmeldir ve operat\u00f6r, valf bas\u0131n\u00e7 testinin ve ters ta\u015f\u0131man\u0131n g\u00fcvenlik tehlikelerine a\u015fina olmal\u0131 ve ilgili \u00f6nleyici tedbirleri almal\u0131d\u0131r.<\/li>
- Valf bas\u0131n\u00e7 testi s\u00fcreci, valf kabu\u011fu mukavemet testi, \u00fcst conta testi ve conta testinden olu\u015fur.
- Valf kabu\u011funun mukavemeti i\u00e7in test ortam\u0131 sudur, bas\u0131n\u00e7, valfin nominal bas\u0131nc\u0131n\u0131n 1,5 kat\u0131d\u0131r, bas\u0131n\u00e7 tutma s\u00fcresi 5 dakikad\u0131r ve damlama veya nem olu\u015fmaz.<\/li>
- Valf \u00fczerindeki s\u0131zd\u0131rmazl\u0131k test ortam\u0131 su kullan\u0131r, bas\u0131n\u00e7 nominal bas\u0131nc\u0131n 1,5 kat\u0131d\u0131r, tutma s\u00fcresi DN\u226450 i\u00e7in 15 saniyedir, 65\u2264DN\u2264300 i\u00e7in 60 saniyedir ve DN\u2265350 i\u00e7in 120 saniyedir. Hi\u00e7bir s\u0131z\u0131nt\u0131 nitelikli de\u011fildir.<\/li>
- Valf s\u0131zd\u0131rmazl\u0131k testi: D\u00fc\u015f\u00fck bas\u0131n\u00e7l\u0131 s\u0131zd\u0131rmazl\u0131k testi yap\u0131l\u0131r. Test ortam\u0131 havad\u0131r (s\u00fcrg\u00fcl\u00fc vana), bas\u0131n\u00e7 0,6 MPa'd\u0131r, bas\u0131n\u00e7 tutma s\u00fcresi DN\u226450 i\u00e7in 15 saniyedir, 65\u2264DN\u2264150 i\u00e7in 60 saniyedir ve DN\u2267200 i\u00e7in 120 saniyedir. Gereksinim niteliklidir.<\/li>
- Bas\u0131n\u00e7 testi onayland\u0131ktan sonra vana bo\u015flu\u011fundaki su bas\u0131n\u00e7l\u0131 hava ile zaman\u0131nda kurutulmal\u0131d\u0131r.<\/li>
- Bas\u0131n\u00e7 testini ge\u00e7en vanalar vana g\u00f6vdesi \u00fczerinde \u221a ile i\u015faretlenir, uygun olmayan vanalar ise \u00d7 ile i\u015faretlenir.<\/li>
- Bas\u0131n\u00e7 testi sonras\u0131nda vanalar cihaz\u0131n tipine ve \u00f6zelliklerine g\u00f6re ayr\u0131 ayr\u0131 istiflenmeli, vas\u0131fs\u0131z \u00fcr\u00fcnler ise ayr\u0131 ayr\u0131 istiflenmelidir; her istifleme alan\u0131na net bir i\u015faret konulmal\u0131d\u0131r. Bas\u0131n\u00e7 testinden sonra vana kapat\u0131l\u0131p contalanmal\u0131 ve istif alan\u0131nda renkli bezle \u00f6rt\u00fcl\u00fcp korunmal\u0131d\u0131r.<\/li>
- Vana bas\u0131n\u00e7 testi sonras\u0131nda \u201cVana\/Boru Montaj Test Kayd\u0131\u201d cihaza g\u00f6re zaman\u0131nda doldurulmal\u0131 ve vana g\u00f6vdesi \u00fczerindeki sat\u0131n alma s\u00f6zle\u015fme numaras\u0131 ile model kolonu doldurulmal\u0131d\u0131r.<\/li>
- Testi ge\u00e7en vanalar i\u00e7in \u201cVana D\u00fczenleme Kayd\u0131\u201dn\u0131n hem d\u00fczenleyen hem de alan taraflarca doldurularak imzalanmas\u0131 gerekmektedir.<\/li>
- Niteliksiz vanalar\u0131n ayr\u0131 bir \u201cNiteliksiz Vana Bilgi Defteri\u201d olu\u015fturmas\u0131 gerekir<\/li><\/ul><\/li><\/ul>\n\n\n\n<\/figure>\n<\/div>\n\n\n\n
\u0130lgili Etiketler :<\/h2>\n\n\n\n\n
\nZECO Valf<\/a>\n\n<\/div>\n\n\n\n\nHava Valfi Nedir? Hava Valfi \u00c7e\u015fitleri \u2013 Hava Tahliye Valfi<\/a>\n\n<\/div>\n\n\n\n\nPirin\u00e7 K\u00fcresel Vana \u2013 Pirin\u00e7 K\u00fcresel Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nKelebek Vana Wafer Tipi \u2013 Wafer Tip Kelebek Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nDengeleme Vanas\u0131 \u2013 Profesyonel HVAC Vanalar\u0131 \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nWafer \u00c7ek Valf \u2013 API 594 \u00c7ek Valf \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nElektrikli K\u00fcresel Vana \u2013 Elektrikli K\u00fcresel Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\n\u00c7ek Valf \u2013 Profesyonel \u00c7ek Valf \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nMotorlu Vana \u2013 Motorlu S\u00fcrg\u00fcl\u00fc Vana \/ K\u00fcresel Vana<\/a>\n\n<\/div>\n\n\n\n\nElektrikli Akt\u00fcat\u00f6rl\u00fc K\u00fcresel Vana \u2013 Motorlu K\u00fcresel Vana Tedarik\u00e7ileri<\/a>\n\n<\/div>\n\n\n\n\nMotorlu Vana \u2013 Motorlu K\u00fcresel Vana & Motorlu Kelebek Vana<\/a>\n\n<\/div>\n\n\n\n\nK\u00fcresel Vana Paslanmaz \u00c7elik \u2013 Paslanmaz \u00c7elik K\u00fcresel Vana<\/a>\n\n<\/div>\n\n\n\n\nHVAC Vanas\u0131 \u2013 Dengeleme Vanas\u0131 ve PICV<\/a>\n\n<\/div>\n\n\n\u3000<\/span><\/p>\n
<\/p>\n
\u00d6ncesi ve sonras\u0131yla on makale<\/p>\n
Bas\u0131n\u00e7 contal\u0131 s\u00fcrg\u00fcl\u00fc vana, BW 900LB s\u00fcrg\u00fcl\u00fc vana, \u00c7in bas\u0131n\u00e7 contal\u0131 s\u00fcrg\u00fcl\u00fc vana tedarik\u00e7ileri - Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00c7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
paslanmaz \u00e7elik kelebek vana, \u00fc\u00e7l\u00fc ofset kelebek vana \u2013 Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcre vana fabrikas\u0131, inconel 625 k\u00fcre vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
Y\u00fcksek bas\u0131n\u00e7 valfi, WCC kap\u0131s\u0131 lvave \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
Farkl\u0131 Uygulama Ko\u015fullar\u0131nda Kelebek Vana ve S\u00fcrg\u00fcl\u00fc Vana | API 6D k\u00fcresel vana \u00fcreticisi<\/a><\/p>\n
D\u00f6ner Kontrol Vanalar\u0131 Hakk\u0131nda Bilgi Edinin | API 6D k\u00fcresel vana \u00fcreticisi<\/a><\/p>\n
Zirkonyum \u00e7ift plakal\u0131 wafer \u00e7ek valf, ASTM B752 Gr. 702C \u00e7ift plakal\u0131 gofret \u00e7ek valf \u2013 Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
Seviye kumandal\u0131 4 "kelebek vana, sfero d\u00f6k\u00fcm kelebek vana, Viton kapl\u0131 kelebek vana, \u00c7in'de yap\u0131lan viton kapl\u0131 kelebek vana - Titanyum k\u00fcresel vanalar tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00e7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
y\u00fcksek bas\u0131n\u00e7 kontrol vanas\u0131, 2500LB kontrol vanas\u0131 \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcre Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc s\u0131zd\u0131rmaz k\u00fcre vana fabrikas\u0131, inconel 625 k\u00fcre vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
bronz k\u00fcresel vana, k\u00fcresel vana C95800 \u2013 Titanyum k\u00fcresel vana tedarik\u00e7isi \u00e7in, Kriyojenik K\u00fcresel Vana \u00fcreticileri \u00c7in, \u00c7in'de C95800 kelebek vana, K\u00f6r\u00fckl\u00fc k\u00fcresel vana fabrikas\u0131, inconel 625 k\u00fcresel vana \u015firketi | Profesyonel vana \u00fcreticisi<\/a><\/p>\n
- S\u0131zd\u0131rmazl\u0131k testi ger\u00e7ek \u00e7al\u0131\u015fma ortam\u0131na g\u00f6re yap\u0131lacakt\u0131r. Hava veya su ile test yaparken, testi nominal bas\u0131nc\u0131n 1,1 kat\u0131 bas\u0131n\u00e7ta ger\u00e7ekle\u015ftirin; Buharla test yaparken testi, \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 alt\u0131nda izin verilen en y\u00fcksek \u00e7al\u0131\u015fma bas\u0131nc\u0131nda ger\u00e7ekle\u015ftirin. Giri\u015f bas\u0131nc\u0131 ile \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 aras\u0131ndaki fark 0,2 MPa'dan az olmamal\u0131d\u0131r. Test y\u00f6ntemi \u015fu \u015fekildedir: Giri\u015f bas\u0131nc\u0131 ayarland\u0131ktan sonra, vanan\u0131n ayar vidas\u0131n\u0131, \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131n\u0131n durgunluk veya s\u0131k\u0131\u015fma olmadan maksimum ve minimum de\u011ferler aral\u0131\u011f\u0131nda hassas ve s\u00fcrekli olarak de\u011fi\u015febilece\u011fi \u015fekilde kademeli olarak ayarlay\u0131n. Buhar bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanada giri\u015f bas\u0131nc\u0131 ayarland\u0131\u011f\u0131nda vana kapat\u0131ld\u0131ktan sonra vana kapan\u0131r ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 en y\u00fcksek ve en d\u00fc\u015f\u00fck de\u011fer olur. 2 dakika i\u00e7inde \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131ndaki art\u0131\u015f Tablo 4.176-22'deki gereksinimleri kar\u015f\u0131lamal\u0131d\u0131r. Ayn\u0131 zamanda vanan\u0131n arkas\u0131ndaki boru hatt\u0131n\u0131n hacmi de Tablo 4.18'de belirtilen gereksinimleri kar\u015f\u0131layan nitelikli olarak; Su ve hava bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanalarda giri\u015f bas\u0131nc\u0131 ayarl\u0131 ve \u00e7\u0131k\u0131\u015f bas\u0131nc\u0131 s\u0131f\u0131r oldu\u011funda, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> kapat\u0131larak s\u0131zd\u0131rmazl\u0131k testi yap\u0131l\u0131r. 2 dakika i\u00e7inde s\u0131z\u0131nt\u0131 olmamas\u0131 niteliklidir.<\/li><\/ul>\n\n\n\n
- G\u00fc\u00e7 testi bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc valf<\/a> Genellikle tek par\u00e7a testinden sonra montaj\u0131 yap\u0131l\u0131r ve montaj sonras\u0131nda da test edilebilir. Mukavemet testinin s\u00fcresi: DN150mm i\u00e7in 1 dakika. K\u00f6r\u00fck ve aksamlar kaynakland\u0131ktan sonra, bas\u0131n\u00e7 d\u00fc\u015f\u00fcr\u00fcc\u00fc vanadan sonra en y\u00fcksek bas\u0131nc\u0131n 1,5 kat\u0131 kadar bas\u0131n\u00e7 uygulanarak hava ile mukavemet testi yap\u0131l\u0131r.<\/li>