![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Cryogenic-Ball-Valve-1-1024x1024.jpg\")
<\/figure>\n<\/div>\n\n\n\n\nKriyojenik K\u00fcresel Vana S\u0131zd\u0131rmazl\u0131k Tasar\u0131m\u0131<\/h2>\n\n\n\n
Son derece d\u00fc\u015f\u00fck \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 nedeniyle, ultra kriyojenik k\u00fcresel vanan\u0131n tasar\u0131m\u0131 ve imalat\u0131, malzeme se\u00e7imi, d\u00fc\u015f\u00fck s\u0131cakl\u0131kta s\u0131zd\u0131rmazl\u0131k, yap\u0131sal tasar\u0131m, \u00e7\u00f6zelti i\u015flemi, kriyojenik i\u015flem, \u0131s\u0131 yal\u0131t\u0131m\u0131, kalite kontrol\u00fc gibi bir dizi teknik sorunla kar\u015f\u0131 kar\u015f\u0131yad\u0131r. bak\u0131m, g\u00fcvenlik vb.<\/p>\n\n\n\n
Bu nedenle d\u00fc\u015f\u00fck s\u0131cakl\u0131k vanalar\u0131n\u0131n tasar\u0131m\u0131na y\u00f6nelik bir dizi kat\u0131 standart vard\u0131r. Uluslararas\u0131 alanda, BS6364 "Kriyojenik Valf" ve MSSP-134 "G\u00f6vde\/kapak Uzant\u0131lar\u0131 Gereksinimleri Dahil Kriyojenik Hizmet Valfleri" standartlar\u0131 esas olarak benimsenmi\u015ftir. Bu iki standart, kriyojenik k\u00fcresel vanan\u0131n tasar\u0131m ve \u00fcretiminin kilit noktalar\u0131n\u0131 ve kurallar\u0131n\u0131 belirler. JB\/t7749 \u201cKriyojenik Vana Teknik \u015eartnamesi\u201d standard\u0131, BS6364 \u201cKriyojenik Vana\u201dya g\u00f6re d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015ft\u00fcr.<\/p>\n\n\n\n
Kriyojenik k\u00fcresel vana tasar\u0131m\u0131nda genel vana tasar\u0131m ilkelerinin yan\u0131 s\u0131ra, kullan\u0131m ko\u015fullar\u0131na g\u00f6re kriyojenik k\u00fcresel vana tasar\u0131m\u0131n\u0131n \u00f6zel gereksinimlerine uyulacakt\u0131r.<\/p>\n\n\n\n
- Vana, d\u00fc\u015f\u00fck s\u0131cakl\u0131kl\u0131 sistemin \u00f6nemli bir \u0131s\u0131 kayna\u011f\u0131 haline gelmemelidir, \u00e7\u00fcnk\u00fc \u0131s\u0131 giri\u015fi sadece termal verimlili\u011fi azaltmakla kalmayacak, ayn\u0131 zamanda giri\u015fin \u00e7ok fazla olmas\u0131 durumunda dahili ak\u0131\u015fkan\u0131n h\u0131zla buharla\u015fmas\u0131na da neden olacak ve bu da anormal bas\u0131n\u00e7 art\u0131\u015f\u0131na ve tehlikeye neden olacakt\u0131r. .<\/li>
- D\u00fc\u015f\u00fck s\u0131cakl\u0131ktaki ortam, el \u00e7ark\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131 ve salmastra s\u0131zd\u0131rmazl\u0131k performans\u0131 \u00fczerinde zararl\u0131 bir etkiye sahip olmayacakt\u0131r.<\/li>
- D\u00fc\u015f\u00fck s\u0131cakl\u0131ktaki ortamla do\u011frudan temas halinde olan vana d\u00fczene\u011fi patlamaya ve yang\u0131na dayan\u0131kl\u0131 yap\u0131ya sahip olacakt\u0131r.<\/li>
- D\u00fc\u015f\u00fck s\u0131cakl\u0131kta \u00e7al\u0131\u015fan valf d\u00fczene\u011fi ya\u011flanamayaca\u011f\u0131ndan s\u00fcrt\u00fcnme par\u00e7alar\u0131n\u0131n a\u015f\u0131nmas\u0131n\u0131 \u00f6nleyecek yap\u0131sal \u00f6nlemler al\u0131nacakt\u0131r.<\/li><\/ol>\n\n\n\n
Kriyojenik k\u00fcresel vanan\u0131n tasar\u0131m s\u00fcrecinde, kriyojenik k\u00fcresel vanan\u0131n sirk\u00fclasyon kapasitesi gibi genel gerekliliklere ek olarak, kriyojenik k\u00fcresel vanan\u0131n teknik seviyesinin daha iyi de\u011ferlendirilebilmesi i\u00e7in di\u011fer baz\u0131 g\u00f6stergelerin de dikkate al\u0131nmas\u0131 gerekir. <\/p>\n\n\n\n
Genellikle kriyojenik k\u00fcresel vanan\u0131n teknik seviyesi, enerji t\u00fcketiminin makul olup olmad\u0131\u011f\u0131 \u00f6l\u00e7\u00fclerek de\u011ferlendirilir.<\/p>\n\n\n\n
- Kriyojenik k\u00fcresel vanan\u0131n yal\u0131t\u0131m performans\u0131.<\/li>
- Kriyojenik k\u00fcresel vanan\u0131n so\u011futma performans\u0131.<\/li>
- Kriyojenik k\u00fcresel vana contas\u0131n\u0131n \u00e7al\u0131\u015fma performans\u0131.<\/li>
- Kriyojenik k\u00fcresel vana y\u00fczeyinin donmam\u0131\u015f olmas\u0131 durumu.<\/li><\/ol>\n\n\n\n
Kriyojenik k\u00fcresel vanan\u0131n \u00e7al\u0131\u015fma ortam\u0131 genel vanadan olduk\u00e7a farkl\u0131d\u0131r. D\u00fc\u015f\u00fck s\u0131cakl\u0131k valfinin tasar\u0131m\u0131, \u00fcretimi ve muayenesi s\u00fcrecinde, valf tasar\u0131m\u0131, \u00fcretimi ve muayenesine ili\u015fkin genel kurallara ek olarak, d\u00fc\u015f\u00fck s\u0131cakl\u0131k valfinin bulundu\u011fu ortama g\u00f6re uygun ayar\u0131n yap\u0131lmas\u0131na da dikkat edilmesi gerekir.<\/p>\n\n\n\n
Kriyojenik K\u00fcresel Vana S\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131n Temel Teorisi<\/h2>\n\n\n\n
Valf s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 etkileyen ana fakt\u00f6rler, s\u0131zd\u0131rmazl\u0131k \u00e7iftinin yap\u0131s\u0131, s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin spesifik bas\u0131nc\u0131, ortam\u0131n fiziksel \u00f6zellikleri ve s\u0131zd\u0131rmazl\u0131k \u00e7iftinin kalitesi vb.'dir. Bununla birlikte, yaln\u0131zca valfin s\u0131zd\u0131rmazl\u0131k prensibi ve S\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 etkileyen \u00e7e\u015fitli fakt\u00f6rler tam olarak dikkate al\u0131nd\u0131\u011f\u0131nda, s\u0131zd\u0131rmazl\u0131\u011f\u0131n sa\u011flanmas\u0131 i\u00e7in s\u0131z\u0131nt\u0131 \u00f6nlenebilir.<\/p>\n\n\n\n
D\u00fczlem contay\u0131 \u00f6rnek alarak, s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin ba\u011flant\u0131s\u0131ndaki s\u0131zd\u0131rmazl\u0131k problemini inceleyin ve s\u0131zd\u0131rmazl\u0131k ilkesi basit\u00e7e a\u00e7\u0131klan\u0131r. S\u0131zd\u0131rmaz ba\u011flant\u0131 prensibi \u015eekil 1'de g\u00f6sterilmektedir. Kap belirli bir bas\u0131n\u00e7ta s\u0131v\u0131 ve gazla doldurulur ve kapak plakas\u0131 ile kapat\u0131l\u0131r. Kaptaki ortam\u0131n statik bas\u0131nc\u0131 FJ = a \u00d7 P'dir.<\/p>\n\n\n\n
FJ - orta kuvvet, N
A \u2014 kapak plakas\u0131na etki eden ortam\u0131n alan\u0131, mm2
P - kaptaki ortam\u0131n statik bas\u0131nc\u0131, MPa<\/p>\n\n\n\nKapak plakas\u0131n\u0131 \u015fekilde g\u00f6sterilen konumda tutmak i\u00e7in, kap ile kapak plakas\u0131 aras\u0131ndaki temas y\u00fczeyine dikey y\u00f6nde, yaln\u0131zca u\u00e7 y\u00fcz\u00fcn oturmas\u0131n\u0131 sa\u011flayacak \u015fekilde F = FJ d\u0131\u015f kuvveti uygulanmal\u0131d\u0131r. Ancak s\u0131zd\u0131rmazl\u0131k y\u00fczeyi ideal bir d\u00fczlemde oldu\u011funda, derz y\u00fczeyinden ortam ge\u00e7emez. Temas y\u00fczeyinin s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 sa\u011flamak i\u00e7in, s\u0131zd\u0131rmazl\u0131k y\u00fczeyleri aras\u0131nda kar\u015f\u0131l\u0131kl\u0131 kuvvet olu\u015fturulmal\u0131, yani kapak plakas\u0131 konteynere s\u0131k\u0131ca bast\u0131r\u0131lmal\u0131d\u0131r. F > FJ kuvveti oldu\u011funda, birle\u015fik s\u0131zd\u0131rmazl\u0131k y\u00fczeyinde belirli bir \u00f6zg\u00fcl bas\u0131n\u00e7 olu\u015facak ve d\u00fczlemdeki mevcut d\u00fczl\u00fck, bu \u00f6zg\u00fcl bas\u0131n\u00e7 nedeniyle deforme olacakt\u0131r. Deformasyon malzemenin elastik s\u0131n\u0131r\u0131 dahilindeyse ve \u00e7ok az art\u0131k deformasyon varsa, temas y\u00fczeyine F kuvveti uyguland\u0131\u011f\u0131nda s\u0131zd\u0131rmazl\u0131k \u00f6zelli\u011fi garanti edilebilir. Contan\u0131n spesifik bas\u0131nc\u0131n\u0131n yan\u0131 s\u0131ra, ba\u011flant\u0131n\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 sa\u011flayan fakt\u00f6rler aras\u0131nda conta \u00e7iftinin yap\u0131s\u0131 vb. de yer al\u0131r. Ancak bu fakt\u00f6rler dizisinde s\u0131zd\u0131rmazl\u0131k y\u00fczeyleri aras\u0131ndaki spesifik bas\u0131n\u00e7 \u00f6nemli bir rol oynar.<\/p>\n\n\n\n
Kriyojenik K\u00fcresel Vanan\u0131n S\u0131zd\u0131rmazl\u0131k Elemanlar\u0131<\/h2>\n\n\n\n
K\u00fcresel vanan\u0131n yap\u0131s\u0131 basit olmas\u0131na ra\u011fmen, orta bas\u0131n\u00e7l\u0131 ve bilyenin \u00f6zel yap\u0131s\u0131na sahip, kendinden contal\u0131 bir vanad\u0131r, bu nedenle k\u00fcresel vanan\u0131n son s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 etkileyen bir\u00e7ok fakt\u00f6r vard\u0131r.<\/p>\n\n\n\n
1. S\u0131zd\u0131rmazl\u0131k \u00c7iftinin Kalitesi<\/h3>\n\n\n\n
K\u00fcresel vana s\u0131zd\u0131rmazl\u0131k \u00e7iftinin kalitesi esas olarak bilyenin yuvarlakl\u0131\u011f\u0131na ve bilya ile valf yuvas\u0131 aras\u0131ndaki s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcne yans\u0131r. Bilyan\u0131n yuvarlakl\u0131\u011f\u0131, bilye ile valf yuvas\u0131 aras\u0131ndaki uyumu etkiler. Uyum derecesi y\u00fcksekse, s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 art\u0131rmak i\u00e7in s\u0131zd\u0131rmazl\u0131k y\u00fczeyi boyunca hareket eden s\u0131v\u0131n\u0131n direnci art\u0131r\u0131lacakt\u0131r. Genel olarak k\u00fcrenin yuvarlakl\u0131\u011f\u0131n\u0131n 9. derece olmas\u0131 gerekmektedir.<\/p>\n\n\n\n
S\u0131zd\u0131rmazl\u0131k y\u00fczeyinin y\u00fczey kalitesi s\u0131zd\u0131rmazl\u0131k \u00fczerinde b\u00fcy\u00fck etkiye sahiptir. Y\u00fczey kalitesi d\u00fc\u015f\u00fck ve \u00f6zg\u00fcl bas\u0131n\u00e7 k\u00fc\u00e7\u00fck oldu\u011funda s\u0131z\u0131nt\u0131 artar. Spesifik bas\u0131n\u00e7 b\u00fcy\u00fck oldu\u011funda, s\u0131zd\u0131rmazl\u0131k y\u00fczeyindeki mikro t\u0131rt\u0131kl\u0131 tepe d\u00fczle\u015fti\u011finden ve yumu\u015fak s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin biti\u015finin s\u0131zd\u0131rmazl\u0131k performans\u0131 \u00fczerindeki etkisi \u00e7ok daha k\u00fc\u00e7\u00fck oldu\u011fundan, son kat\u0131n s\u0131z\u0131nt\u0131 \u00fczerindeki etkisi \u00f6nemli \u00f6l\u00e7\u00fcde azal\u0131r. metalden metale sert s\u0131zd\u0131rmazl\u0131k.<\/p>\n\n\n\n
S\u0131zd\u0131rmazl\u0131k \u00e7iftleri aras\u0131ndaki bo\u015flu\u011fun ak\u0131\u015fkan molek\u00fcl\u00fcn\u00fcn \u00e7ap\u0131ndan k\u00fc\u00e7\u00fck olmas\u0131 durumunda ak\u0131\u015fkan\u0131n s\u0131zmas\u0131n\u0131n \u00f6nlenebilece\u011fi g\u00f6r\u00fc\u015f\u00fcne g\u00f6re, ak\u0131\u015fkan\u0131n s\u0131zmas\u0131n\u0131 \u00f6nleyecek bo\u015flu\u011fun 0,003 \u03bc M'den az olmas\u0131 gerekti\u011fi d\u00fc\u015f\u00fcn\u00fclebilir. Bununla birlikte, ince \u00f6\u011f\u00fctmeden sonra bile metal y\u00fczey tepesinin y\u00fcksekli\u011fi hala 0,1 \u03bcm'den fazlad\u0131r, bu da su molek\u00fcl\u00fcn\u00fcn \u00e7ap\u0131ndan 30 kat daha b\u00fcy\u00fckt\u00fcr.<\/p>\n\n\n\n
Bu nedenle, s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 yaln\u0131zca s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin iyile\u015ftirilmesiyle iyile\u015ftirmek zordur. S\u0131zd\u0131rmazl\u0131k \u00e7iftinin kalitesi sadece s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 etkilemez, ayn\u0131 zamanda k\u00fcresel vanan\u0131n servis \u00f6mr\u00fcn\u00fc de do\u011frudan etkiler. Bu nedenle imalatta s\u0131zd\u0131rmazl\u0131k \u00e7iftinin kalitesinin artt\u0131r\u0131lmas\u0131 gerekmektedir.<\/p>\n\n\n\n
2. Spesifik Bas\u0131nc\u0131 M\u00fch\u00fcrleyin<\/h3>\n\n\n\n
S\u0131zd\u0131rmazl\u0131k spesifik bas\u0131nc\u0131, s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin birim alan\u0131na etki eden bas\u0131nc\u0131 ifade eder. Contan\u0131n \u00f6zg\u00fcl bas\u0131nc\u0131, vanan\u0131n \u00f6n ve arka k\u0131sm\u0131 aras\u0131ndaki bas\u0131n\u00e7 fark\u0131ndan ve d\u0131\u015f s\u0131zd\u0131rmazl\u0131k kuvvetinden kaynaklan\u0131r. Spesifik bas\u0131n\u00e7, k\u00fcresel vanan\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131, g\u00fcvenilirli\u011fini ve servis \u00f6mr\u00fcn\u00fc do\u011frudan etkiler. S\u0131z\u0131nt\u0131 bas\u0131n\u00e7 fark\u0131yla ters orant\u0131l\u0131d\u0131r. Test, di\u011fer ayn\u0131 ko\u015fullar alt\u0131nda s\u0131z\u0131nt\u0131n\u0131n bas\u0131n\u00e7 fark\u0131n\u0131n karesiyle ters orant\u0131l\u0131 oldu\u011funu, dolay\u0131s\u0131yla bas\u0131n\u00e7 fark\u0131n\u0131n artmas\u0131yla s\u0131z\u0131nt\u0131n\u0131n azalaca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/p>\n\n\n\n
Bas\u0131n\u00e7 fark\u0131 contan\u0131n spesifik bas\u0131nc\u0131n\u0131 belirlemek i\u00e7in \u00f6nemli bir fakt\u00f6rd\u00fcr. Bu nedenle, ultra kriyojenik k\u00fcresel vanan\u0131n s\u0131zd\u0131rmazl\u0131k performans\u0131 i\u00e7in s\u0131zd\u0131rmazl\u0131k spesifik bas\u0131nc\u0131 \u00e7ok \u00f6nemlidir. K\u00fcreye uygulanan contan\u0131n \u00f6zg\u00fcl bas\u0131nc\u0131 \u00e7ok b\u00fcy\u00fck olmayacakt\u0131r. \u00c7ok b\u00fcy\u00fckse, s\u0131zd\u0131rmazl\u0131k i\u00e7in iyidir, ancak vanan\u0131n \u00e7al\u0131\u015fma torkunu art\u0131racakt\u0131r, bu nedenle s\u0131zd\u0131rmazl\u0131k bas\u0131nc\u0131n\u0131n makul se\u00e7imi, ultra kriyojenik k\u00fcresel vanan\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 sa\u011flaman\u0131n \u00f6nc\u00fcl\u00fcd\u00fcr.<\/p>\n\n\n\n
3. Ak\u0131\u015fkan\u0131n Fiziksel \u00d6zellikleri<\/h3>\n\n\n\n
(1) Viskozite<\/h4>\n\n\n\n
S\u0131v\u0131n\u0131n ge\u00e7irgenli\u011fi viskozitesi ile yak\u0131ndan ili\u015fkilidir. Ayn\u0131 ko\u015fullar alt\u0131nda s\u0131v\u0131n\u0131n viskozitesi ne kadar y\u00fcksek olursa ge\u00e7irgenli\u011fi de o kadar k\u00fc\u00e7\u00fck olur. Gaz ve s\u0131v\u0131n\u0131n viskozitesi \u00e7ok farkl\u0131d\u0131r. \u2460 Gaz\u0131n viskozitesi s\u0131v\u0131n\u0131nkinden onlarca kat daha k\u00fc\u00e7\u00fckt\u00fcr, dolay\u0131s\u0131yla ge\u00e7irgenli\u011fi doymu\u015f buhar d\u0131\u015f\u0131nda s\u0131v\u0131n\u0131nkinden daha g\u00fc\u00e7l\u00fcd\u00fcr. Doymu\u015f buhar\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 sa\u011flamak kolayd\u0131r. \u2461 S\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f gazlar s\u0131v\u0131lara g\u00f6re daha kolay s\u0131zar.<\/p>\n\n\n\n
(2) S\u0131cakl\u0131k<\/h4>\n\n\n\n
Bir ak\u0131\u015fkan\u0131n ge\u00e7irgenli\u011fi, viskozitesinin de\u011fi\u015fti\u011fi s\u0131cakl\u0131\u011fa ba\u011fl\u0131d\u0131r. Gaz s\u0131cakl\u0131\u011f\u0131n\u0131n karek\u00f6k\u00fcyle orant\u0131l\u0131 olan s\u0131cakl\u0131k art\u0131\u015f\u0131yla gaz\u0131n viskozitesi artar. Aksine, s\u0131cakl\u0131\u011f\u0131n k\u00fcp\u00fcyle ters orant\u0131l\u0131 olan s\u0131cakl\u0131k art\u0131\u015f\u0131yla s\u0131v\u0131n\u0131n viskozitesi keskin bir \u015fekilde azal\u0131r. Ayr\u0131ca s\u0131cakl\u0131k de\u011fi\u015fiminden kaynaklanan par\u00e7a boyutunun de\u011fi\u015fmesi, s\u0131zd\u0131rmazl\u0131k b\u00f6lgesindeki s\u0131zd\u0131rmazl\u0131k bas\u0131nc\u0131n\u0131n de\u011fi\u015fmesine ve s\u0131zd\u0131rmazl\u0131\u011f\u0131n zarar g\u00f6rmesine yol a\u00e7acakt\u0131r. D\u00fc\u015f\u00fck s\u0131cakl\u0131ktaki s\u0131v\u0131n\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131 i\u00e7in etki \u00f6zellikle \u00f6nemlidir. S\u0131v\u0131yla temas halindeki conta \u00e7iftinin s\u0131cakl\u0131\u011f\u0131 genellikle gerilim alt\u0131ndaki par\u00e7alar\u0131nkinden daha d\u00fc\u015f\u00fckt\u00fcr, b\u00f6ylece conta \u00e7ifti par\u00e7alar\u0131 b\u00fcz\u00fclebilir ve gev\u015feyebilir. D\u00fc\u015f\u00fck s\u0131cakl\u0131kta s\u0131zd\u0131rmazl\u0131k karma\u015f\u0131kt\u0131r ve \u00e7o\u011fu s\u0131zd\u0131rmazl\u0131k malzemesi d\u00fc\u015f\u00fck s\u0131cakl\u0131kta ba\u015far\u0131s\u0131z olur. Bu nedenle s\u0131zd\u0131rmazl\u0131k malzemeleri se\u00e7ilirken s\u0131cakl\u0131\u011f\u0131n etkisi dikkate al\u0131nmal\u0131d\u0131r.<\/p>\n\n\n\n
(3) Y\u00fczey hidrofilikli\u011fi<\/h4>\n\n\n\n
Y\u00fczeyde ince bir ya\u011f filmi oldu\u011funda, temas y\u00fczeyinin hidrofilikli\u011fi bozulur ve s\u0131v\u0131 kanal\u0131 t\u0131kan\u0131r, dolay\u0131s\u0131yla s\u0131v\u0131n\u0131n k\u0131lcal damardan ge\u00e7mesini sa\u011flamak i\u00e7in b\u00fcy\u00fck bir bas\u0131n\u00e7 fark\u0131na ihtiya\u00e7 vard\u0131r.<\/p>\n\n\n\n
Bu nedenle baz\u0131 k\u00fcresel vanalarda s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 ve servis \u00f6mr\u00fcn\u00fc art\u0131rmak i\u00e7in s\u0131zd\u0131rmazl\u0131k gresi kullan\u0131l\u0131r. Gres contas\u0131n\u0131 kullan\u0131rken, kullan\u0131m s\u0131ras\u0131nda ya\u011f filminin azalmas\u0131 durumunda gres takviyesine dikkat edin. Kullan\u0131lan gres ak\u0131\u015fkan ortamda \u00e7\u00f6z\u00fcnmeyecek ve buharla\u015fmayacak, sertle\u015fmeyecek veya ba\u015fka kimyasal de\u011fi\u015fikliklere u\u011framayacakt\u0131r. D\u00fc\u015f\u00fck s\u0131cakl\u0131k k\u00fcresel vanas\u0131 i\u00e7in s\u0131zd\u0131rmazl\u0131k gresi uygun de\u011fildir. Ultra d\u00fc\u015f\u00fck s\u0131cakl\u0131k ko\u015fullar\u0131nda, gresin \u00e7o\u011fu camla\u015ft\u0131r\u0131lacakt\u0131r.<\/p>\n\n\n\n
4. Yap\u0131sal Boyut<\/h3>\n\n\n\n
(1) Conta Alt Yap\u0131s\u0131<\/h4>\n\n\n\n
S\u0131zd\u0131rmazl\u0131k \u00e7ifti kesinlikle sert de\u011fildir. S\u0131zd\u0131rmazl\u0131k kuvveti veya s\u0131cakl\u0131k de\u011fi\u015fiminin ve di\u011fer fakt\u00f6rlerin etkisi alt\u0131nda, yap\u0131 boyutu ka\u00e7\u0131n\u0131lmaz olarak de\u011fi\u015fecek, bu da s\u0131zd\u0131rmazl\u0131k \u00e7iftleri aras\u0131ndaki etkile\u015fimi de\u011fi\u015ftirecek ve sonu\u00e7, s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131n azalmas\u0131 olacakt\u0131r. Bu de\u011fi\u015fikli\u011fi telafi etmek i\u00e7in conta bir miktar elastik deformasyona tabi tutulur. \u015eu anda, baz\u0131 k\u00fcresel vana yuvalar\u0131 elastik dengeleme veya metal elastik destekli yap\u0131sal formu benimsiyor ve baz\u0131 k\u00fcresel g\u00f6vdeler de elastik bilye yap\u0131s\u0131n\u0131 benimsiyor. Bunlar\u0131n hepsi s\u0131zd\u0131rmazl\u0131k performans\u0131n\u0131 iyile\u015ftirmenin olumlu yollar\u0131d\u0131r.<\/p>\n\n\n\n
(2) S\u0131zd\u0131rmazl\u0131k Y\u00fczeyi Geni\u015fli\u011fi<\/h4>\n\n\n\n
S\u0131zd\u0131rmazl\u0131k y\u00fczeyinin geni\u015fli\u011fi g\u00f6zeneklerin uzunlu\u011funu belirler. Geni\u015flik artt\u0131\u011f\u0131nda g\u00f6zenekler boyunca ak\u0131\u015f yolu do\u011fru orant\u0131l\u0131 olarak artarken, ters orant\u0131l\u0131 olarak s\u0131z\u0131nt\u0131 azal\u0131r. Ama ger\u00e7ek bu de\u011fil. S\u0131zd\u0131rmazl\u0131k \u00e7iftinin temas y\u00fczeyi tamamen tutarl\u0131 olamaz. Deformasyon meydana geldi\u011finde s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin geni\u015fli\u011fi s\u0131zd\u0131rmazl\u0131kta etkili bir rol oynayamaz. \u00d6te yandan, s\u0131zd\u0131rmazl\u0131k y\u00fczeyi geni\u015fli\u011finin artmas\u0131yla birlikte ihtiya\u00e7 duyulan s\u0131zd\u0131rmazl\u0131k kuvvetinin de artmas\u0131 gerekir, bu nedenle s\u0131zd\u0131rmazl\u0131k y\u00fczeyi geni\u015fli\u011finin makul bir \u015fekilde se\u00e7ilmesi \u00f6nemlidir.<\/p>\n\n\n\n
(3) Conta Halkas\u0131 Boyutu<\/h4>\n\n\n\n
PCTFE conta halkas\u0131 ultra kriyojenik k\u00fcresel vanada yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Bununla birlikte, PCTFE'nin do\u011frusal genle\u015fme katsay\u0131s\u0131, d\u00fc\u015f\u00fck s\u0131cakl\u0131kta metalinkinden \u00e7ok daha y\u00fcksektir, bu nedenle PCTFE'nin conta halkas\u0131, d\u00fc\u015f\u00fck s\u0131cakl\u0131kta k\u00fc\u00e7\u00fclecek ve boyutu daha k\u00fc\u00e7\u00fck olacakt\u0131r. Sonu\u00e7 olarak bilyenin \u00f6zg\u00fcl bas\u0131nc\u0131 azal\u0131r ve bilya ile valf yuvas\u0131 aras\u0131nda bir s\u0131z\u0131nt\u0131 kanal\u0131 olu\u015fturulur. Bu nedenle PCTFE conta halkas\u0131n\u0131n boyutu da ultra kriyojenik k\u00fcresel vanan\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 etkileyen \u00f6nemli bir fakt\u00f6rd\u00fcr. Tasar\u0131mda d\u00fc\u015f\u00fck s\u0131cakl\u0131kta boyut k\u00fc\u00e7\u00fclmesinin etkisi dikkate al\u0131nmal\u0131 ve s\u00fcre\u00e7te so\u011fuk montaj prosesi benimsenmelidir.<\/p>\n\n\n\n
Kriyojenik K\u00fcresel Vana S\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131n Sonucu<\/h2>\n\n\n\n
Kriyojenik vanan\u0131n tasar\u0131m kriterlerine ve vana s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131n temel teorisine dayanarak, bu makale, kriyojenik k\u00fcresel vanan\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 etkileyen, s\u0131zd\u0131rmazl\u0131k \u00e7iftinin kalitesi, s\u0131zd\u0131rmazl\u0131k spesifik bas\u0131nc\u0131, ak\u0131\u015fkan\u0131n fiziksel \u00f6zellikleri ve s\u0131zd\u0131rmazl\u0131k gibi fakt\u00f6rleri analiz etmektedir. S\u0131zd\u0131rmazl\u0131k \u00e7iftinin yap\u0131s\u0131 ve boyutu.<\/p>\n\n\n\n\n
\u0130lgili Etiketler :<\/h2>\n\n\n\n\n
\nZECO Valf<\/a>\n\n<\/div>\n\n\n\n\nS\u00fcrg\u00fcl\u00fc Vana vs K\u00fcresel Vana<\/a>\n\n<\/div>\n\n\n\n\nNBR Kelebek Vana<\/a>\n\n<\/div>\n\n\n\n\nEksenel \u00c7ekvalf Nedir<\/a>\n\n<\/div>\n\n\n\n\n\nS\u00fcrg\u00fcl\u00fc Vana Onar\u0131m\u0131<\/a>\n\n<\/div>\n\n\n\n\nGlob Vana Nedir?<\/a>\n\n<\/div>\n\n\n\n\nManuel Kumandal\u0131 S\u00fcrg\u00fcl\u00fc Vana \u00dcreticisi<\/a>\n\n<\/div>\n\n\n\n\nGlob Vanalar Nedir?<\/a>\n\n<\/div>\n\n\n\n\nS\u00fcrg\u00fcl\u00fc Vana ve Kelebek Vana Aras\u0131ndaki Fark<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"K\u00fcresel vanan\u0131n yap\u0131s\u0131 basittir, montaj alan\u0131 k\u00fc\u00e7\u00fckt\u00fcr ve orta kuvvetle s\u0131zd\u0131rmaz hale getirilir, harici itici g\u00fc\u00e7ten etkilenmez. Daha fazla bilgi edinin<\/a><\/p>","protected":false},"author":2,"featured_media":16547,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2059,3071,2352,3057,3070,3069],"class_list":["post-16165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-cryogenic-ball-valve","tag-cryogenic-seal-materials","tag-cryogenic-valve","tag-cryogenic-valve-market","tag-low-temperature-ball-valve","tag-valve-sealing","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/cryogenic-ball-valve.jpg",800,600,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/tr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2059,"name":"Cryogenic Ball Valve","slug":"cryogenic-ball-valve","term_group":0,"term_taxonomy_id":2059,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":3071,"name":"cryogenic seal materials","slug":"cryogenic-seal-materials","term_group":0,"term_taxonomy_id":3071,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2352,"name":"cryogenic valve","slug":"cryogenic-valve","term_group":0,"term_taxonomy_id":2352,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":3057,"name":"Cryogenic Valve Market","slug":"cryogenic-valve-market","term_group":0,"term_taxonomy_id":3057,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET CRYOGENIC VALVE INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n\r\nCryogenic valves are designed to be utilized in air separation, chemical, or liquified natural gas (LNG) plants. They open in high-pressure conditions and allow the free flow of the gases until the pressure reduces. They assist in reducing the heat that enters the valve from outside, thereby keeping the packing gland temperature above 0 degrees Celsius and avoiding the stem and parts above the bonnet from freezing or frosting. At present, they are widely available in a variety of shapes and sizes to function under different pressure ranges.\r\n\r\n\r\n\r\n\r\n
Cryogenic Valve Market - Snapshot<\/h2>\r\n\r\n\r\n\r\n\r\nThe cryogenic Valve Market is likely to witness a healthy CAGR of 4.8% during the forecast period. Increasing trade of LNG has led to the high demand for storage and transportation of cryogenic gases, which in turn is driving the demand for cryogenic valves. Further, the high demand for industrial gases is acting as a catalyst for the growth of cryogenic valves.\r\n\r\n\r\n\r\n\r\n
\r\n\r\n\r\n
\r\n Growth<\/td>\r\n 4.8% for the next five years<\/td>\r\n<\/tr>\r\n \r\n Major End-User Type<\/td>\r\n Energy & power<\/td>\r\n<\/tr>\r\n \r\n Major Type<\/td>\r\n Ball valve<\/td>\r\n<\/tr>\r\n \r\n Dominant\u00a0 Application Type<\/td>\r\n Transfer lines<\/td>\r\n<\/tr>\r\n \r\n Region with the highest demand<\/td>\r\n Asia-Pacific<\/td>\r\n<\/tr>\r\n \r\n Key Players<\/td>\r\n Cryocomp,\r\nThe Emerson Electric Company,\r\nThe Flowserve Corporation,\r\nLarsen & Toubro Limited,\r\nPowell Valves,\r\nSchlumberger Limited,\r\nWeir Group.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n Cryogenic Valve Market Share: By Application<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Tanks & Cold Boxes<\/li>\r\n \t
- Liquefiers<\/li>\r\n \t
- Transfer lines<\/li>\r\n \t
- Manifolds & Gas Trains<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Cryogenic Valve Market Share: By Type<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Globe Valve<\/li>\r\n \t
- Gate Valve<\/li>\r\n \t
- Check Valve<\/li>\r\n \t
- Ball Valve<\/li>\r\n \t
- Others<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Cryogenic Valve Market Share: By Gas<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- LNG<\/li>\r\n \t
- Oxygen<\/li>\r\n \t
- Nitrogen<\/li>\r\n \t
- Others<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Cryogenic Valve Market Share: By End-User<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Energy & Power<\/li>\r\n \t
- Chemicals<\/li>\r\n \t
- Food & Beverage<\/li>\r\n \t
- Healthcare<\/li>\r\n \t
- Others<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Cryogenic Valve Market Share: By Region<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- North America<\/li>\r\n \t
- Europe<\/li>\r\n \t
- Asia Pacific<\/li>\r\n \t
- Middle East & Africa<\/li>\r\n \t
- South America<\/li>\r\n<\/ul>\r\n","parent":0,"count":7,"filter":"raw"},{"term_id":3070,"name":"low temperature ball valve","slug":"low-temperature-ball-valve","term_group":0,"term_taxonomy_id":3070,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":3069,"name":"valve sealing","slug":"valve-sealing","term_group":0,"term_taxonomy_id":3069,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2059,"label":"Cryogenic Ball Valve"},{"value":3071,"label":"cryogenic seal materials"},{"value":2352,"label":"cryogenic valve"},{"value":3057,"label":"Cryogenic Valve Market"},{"value":3070,"label":"low temperature ball valve"},{"value":3069,"label":"valve sealing"}]},"yoast_head":"\n
Cryogenic Ball Valve Sealing Design - Cryogenic Ball Valve | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/tr\/do-you-know-the-sealing-elements-of-cryogenic-ball-valve.html\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cryogenic Ball Valve Sealing Design - Cryogenic Ball Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"The ball valve is simple in structure, small in installation space, and sealed by medium force, not affected by external driving force, ... 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