{"id":1422,"date":"2021-12-28T07:07:27","date_gmt":"2021-12-28T07:07:27","guid":{"rendered":"https:\/\/zecovalve.com\/types-of-plug-valves.html"},"modified":"2022-11-02T07:48:51","modified_gmt":"2022-11-02T07:48:51","slug":"types-of-plug-valves","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/tr\/types-of-plug-valves.html","title":{"rendered":"Plug Vana \u00c7e\u015fitleri"},"content":{"rendered":"

Bir tapa valfi, \u00e7eyrek d\u00f6n\u00fc\u015fl\u00fc, d\u00f6ner hareketli bir manuel valftir. G\u00f6vde boyunca d\u00fcz ak\u0131\u015fa izin vermek veya \u00f6nlemek i\u00e7in silindirik veya konik bir tapa (tapa \u015feklinde disk) kullan\u0131r. Fi\u015fli vanalar, s\u0131v\u0131n\u0131n minimum t\u00fcrb\u00fclansla a\u00e7ma tapas\u0131ndan akabilmesi i\u00e7in portlardan d\u00fcz bir ge\u00e7i\u015f sa\u011flar. Ak\u0131\u015f her iki y\u00f6nde de tamamen a\u00e7\u0131k veya tamamen kapal\u0131 olabilir.<\/p>\n\n\n\n\n\n

Plug vanalar\u0131n a\u015fa\u011f\u0131da belirtildi\u011fi gibi \u00e7e\u015fitli tipleri mevcuttur:<\/p>\n\n\n\n

Ya\u011flamal\u0131 Fi\u015fli Vana<\/h2>\n\n\n\n

Ya\u011flama tapal\u0131 valf, s\u00fcrt\u00fcnmeleri azaltmak ve her bir ba\u011flant\u0131 noktas\u0131n\u0131n s\u0131k\u0131 bir \u015fekilde kapat\u0131lmas\u0131n\u0131 sa\u011flamak i\u00e7in ya\u011flay\u0131c\u0131 kullan\u0131r. Ya\u011flay\u0131c\u0131lar temel olarak, y\u00fcksek bas\u0131n\u00e7 alt\u0131nda valf tapas\u0131 y\u00fczeyi ile valf g\u00f6vdesi yuvas\u0131 aras\u0131na enjekte edilen amorf veya f\u00fcme silika gibi hareketli par\u00e7alar\u0131n viskozitesini art\u0131ran baz ya\u011flard\u0131r.<\/p>\n\n\n\n

\u00dcretici, proses s\u0131v\u0131s\u0131yla e\u015fle\u015fen bir ya\u011flay\u0131c\u0131 kullan\u0131lmas\u0131n\u0131 ve belirli say\u0131da d\u00f6ng\u00fcden sonra (veya baz\u0131 uygulamalarda her d\u00f6ng\u00fcden sonra) valfin yeniden s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131n sa\u011flanmas\u0131n\u0131 \u00f6nerir.<\/p>\n\n\n\n

Bu bak\u0131m gereksinimi nedeniyle s\u00fcrekli olmayan \u00e7al\u0131\u015fma uygulamalar\u0131nda ya\u011flama valfleri kullan\u0131l\u0131r. Bu tip valf, yukar\u0131 ak\u0131\u015f uygulamalar\u0131, baypas valfleri gerektiren gaz boru hatlar\u0131 ve valf istasyonlar\u0131 ve tekme valfleri olarak bo\u015faltma valfleri gibi hafif a\u015f\u0131nd\u0131r\u0131c\u0131 par\u00e7ac\u0131klar\u0131n s\u0131v\u0131 i\u00e7inde as\u0131l\u0131 kald\u0131\u011f\u0131 i\u015flemler i\u00e7in uygundur.<\/p>\n\n\n\n

Bu tip fi\u015f cihaz\u0131 genellikle metal bir valf yuvas\u0131na sahiptir.<\/p>\n\n\n

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Ya\u011flamas\u0131z Tip Plug Vana<\/h2>\n\n\n\n

Bu tapa valfi, kama g\u00f6revi g\u00f6ren ve polimerik bir man\u015fonu g\u00f6vde bo\u015flu\u011funa do\u011fru bast\u0131ran konik veya koni \u015feklini kullan\u0131r. Man\u015fonun kullan\u0131lmas\u0131 tapa mekanizmas\u0131 ile g\u00f6vde aras\u0131ndaki s\u00fcrt\u00fcnmeyi azalt\u0131r.<\/p>\n\n\n\n

K\u00fck\u00fcrt, hidrojen flor\u00fcr gibi \u00f6zel servislerde veya s\u0131v\u0131lar\u0131n s\u0131k\u0131\u015fabilece\u011fi veya kat\u0131la\u015fabilece\u011fi ve valfi potansiyel olarak s\u0131k\u0131\u015ft\u0131rabilece\u011fi uygulamalar gibi bak\u0131m\u0131n minimumda tutulmas\u0131 gereken uygulamalarda, genellikle ya\u011flananlar\u0131n yerine ya\u011flamas\u0131z tapa valfleri kullan\u0131l\u0131r.<\/p>\n\n\n\n

Ancak ya\u011flamas\u0131z plug vanalar, yap\u0131ld\u0131klar\u0131 metalik olmayan malzemelerin s\u0131cakl\u0131\u011f\u0131 ve kimyasal uyumlulu\u011fu ile s\u0131n\u0131rl\u0131d\u0131r.<\/p>\n\n\n\n

Ya\u011flamas\u0131z valflerin \u00fc\u00e7 ana t\u00fcr\u00fc \u015funlard\u0131r: tamamen astarl\u0131, elastomer man\u015fonlu ve kald\u0131rma tapal\u0131 valfler.<\/p>\n\n\n\n

Eksantrik Tip Plug Vana<\/h4>\n\n\n\n

Eksantrik valfin tasar\u0131m\u0131, yar\u0131m tapa \u00f6zelliklerine sahiptir; bu, daha g\u00fc\u00e7l\u00fc yuva kuvveti ve a\u00e7\u0131ktan kapal\u0131 konumlara minimum s\u00fcrt\u00fcnme gerektiren uygulamalar i\u00e7in \u00f6nemli bir avantajd\u0131r.<\/p>\n\n\n\n

E\u015fmerkezli tasar\u0131mla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda eksantrik valfin kapatma kapasitesi de art\u0131r\u0131lm\u0131\u015ft\u0131r.<\/p>\n\n\n\n

Bu t\u00fcr\u00fcn tipik uygulamalar\u0131 \u00c7in gaz muslu\u011fu tapa valfi<\/a><\/mark><\/strong> kirli su, kanalizasyon, \u00e7amur ve \u00e7amur, hava ve benzeri s\u0131k\u0131 kapat\u0131lmas\u0131 gereken hizmetlerdir.<\/p>\n\n\n\n

\u00c7ift Genle\u015fmeli Tip (\u00c7ift Valf Bloklu ve S\u0131zd\u0131rma \u2013 DBB)<\/h4>\n\n\n\n

Bu, en karma\u015f\u0131k tapal\u0131 valf tasar\u0131m\u0131d\u0131r \u00e7\u00fcnk\u00fc valfin mekanik olarak genle\u015ferek ger\u00e7ek bir \u00e7ift blokaj ve s\u00f6nd\u00fcrme fonksiyonuna sahip olmas\u0131n\u0131 sa\u011flayan birden fazla bile\u015fenle karakterize edilir.<\/p>\n\n\n\n

\u00c7ift izolasyon gerektirmeyen uygulamalarda genellikle \u00fcr\u00fcn kontaminasyonunu \u00f6nlemek amac\u0131yla kullan\u0131l\u0131rlar.<\/p>\n\n\n\n

Genle\u015fme valfi, a\u00e7\u0131k ve kapal\u0131 konumlar aras\u0131nda d\u00f6nen ve iki contay\u0131 ak\u0131\u015f yolundan koruyan bir mekanizma kullan\u0131r. D\u00f6n\u00fc\u015f s\u0131ras\u0131nda valf g\u00f6vdesi ve s\u0131zd\u0131rmazl\u0131k halkas\u0131 temas halinde de\u011fildir. Valf kapat\u0131ld\u0131\u011f\u0131nda kayd\u0131r\u0131c\u0131, s\u0131zd\u0131rmazl\u0131k halkas\u0131n\u0131n a\u015f\u0131nmas\u0131n\u0131 veya a\u015f\u0131nmas\u0131n\u0131 \u00f6nlemek i\u00e7in valf g\u00f6vdesi yuvas\u0131na do\u011fru geni\u015fleyecektir.<\/p>\n\n\n\n

Yumu\u015fak S\u0131zd\u0131rmazl\u0131kl\u0131, Yang\u0131na Dayan\u0131kl\u0131 Plug Vana<\/h2>\n\n\n\n

Yang\u0131n emniyet plug vanalar\u0131, s\u0131z\u0131nt\u0131y\u0131 \u00f6nlemek i\u00e7in tapa ile g\u00f6vde bo\u015flu\u011fu aras\u0131ndaki halkada esnek, elastik bir malzemeden (Teflon gibi) yap\u0131lm\u0131\u015f dar bantl\u0131 bir birincil s\u0131zd\u0131rmazl\u0131k halkas\u0131 kullan\u0131r.<\/p>\n\n\n\n

Yang\u0131na dayan\u0131kl\u0131 yumu\u015fak contal\u0131 bir vana ayr\u0131ca metalden metale ikincil bir yedek contaya da sahiptir. Bu, yumu\u015fak contan\u0131n yang\u0131n nedeniyle hasar g\u00f6rmesi durumunda pozitif kapanma kabiliyeti sa\u011flar. Vanan\u0131n maksimum s\u0131cakl\u0131k limiti yumu\u015fak conta malzemesi ile s\u0131n\u0131rl\u0131d\u0131r.<\/p>\n\n\n\n

Plug Vana Uygulamalar\u0131<\/h2>\n\n\n\n

Daha \u00f6nce belirtildi\u011fi gibi, plug vanalar bir\u00e7ok farkl\u0131 ak\u0131\u015fkan servisinde kullan\u0131labilir ve kullan\u0131lm\u0131\u015ft\u0131r. Bulama\u00e7 uygulamalar\u0131nda iyi performans g\u00f6sterirler. \u00d6ncelikle kabarc\u0131k ge\u00e7irmez hizmetlerde a\u00e7ma-kapama durdurma vanalar\u0131 olarak kullan\u0131l\u0131rlar. Bir t\u0131kac\u0131n silme etkisi, as\u0131l\u0131 par\u00e7ac\u0131klar\u0131n birikmesine ve tortu olu\u015fturmas\u0131na izin vermez. A\u015fa\u011f\u0131da plug vanalar\u0131n baz\u0131 tipik uygulamalar\u0131 verilmi\u015ftir:<\/p>\n\n\n\n

    \n
  1. Hava, gaz ve buhar hizmetleri<\/li>\n\n\n\n
  2. Do\u011falgaz boru sistemleri<\/li>\n\n\n\n
  3. K\u00f6m\u00fcr bulama\u00e7lar\u0131, mineral cevherleri, \u00e7amur ve kanalizasyon uygulamalar\u0131<\/li>\n\n\n\n
  4. Ya\u011f boru sistemleri<\/li>\n\n\n\n
  5. Vakumdan y\u00fcksek bas\u0131n\u00e7l\u0131 uygulamalara<\/li>\n<\/ol>\n\n\n\n\n