{"id":16188,"date":"2022-06-19T15:33:39","date_gmt":"2022-06-19T15:33:39","guid":{"rendered":"https:\/\/zecovalve.com\/?post_type=product&p=16188"},"modified":"2023-06-16T13:39:22","modified_gmt":"2023-06-16T13:39:22","slug":"high-temperature-check-valve","status":"publish","type":"product","link":"https:\/\/zecovalve.com\/tr\/urun\/high-temperature-check-valve","title":{"rendered":"Y\u00fcksek S\u0131cakl\u0131k \u00c7ekvalfi"},"content":{"rendered":"
\"Y\u00fcksek<\/figure>\r\n\r\n\r\n
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Y\u00dcKSEK ISI \u00c7EKVALF F\u0130YATI ALIN<\/strong><\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n

Y\u00fcksek S\u0131cakl\u0131k Vanas\u0131 Nedir?<\/h2>\r\n\r\n\r\n\r\n

Vana tasar\u0131m\u0131 ve malzeme se\u00e7imi yap\u0131l\u0131rken vanan\u0131n \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 vana g\u00f6vdesi ve trim malzemeleriyle uyumlu olmal\u0131d\u0131r. Y\u00fcksek S\u0131cakl\u0131k Vanalar\u0131 petrokimya, kimya, g\u00fcbre, elektrik enerjisi ve metalurji end\u00fcstrilerinde bulunur. Demir d\u0131\u015f\u0131, karbon \u00e7eli\u011fi ve ala\u015f\u0131m kalitelerinin malzeme \u00f6zellikleri, malzemenin s\u0131n\u0131rlar\u0131na g\u00f6re belirlenir. \u00d6rne\u011fin bronz 550F dereceyi a\u015famaz, dolay\u0131s\u0131yla y\u00fcksek s\u0131cakl\u0131k olarak kabul edilmez. Y\u00fcksek s\u0131cakl\u0131k dereceleri \u015funlard\u0131r:<\/p>\r\n\r\n\r\n\r\n

D\u00fc\u015f\u00fck s\u0131cakl\u0131k<\/h3>\r\n\r\n\r\n\r\n

Alt y\u00fcksek s\u0131cakl\u0131k vanalar\u0131, vanan\u0131n 625f ile 800f derece aras\u0131ndaki \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131n\u0131 ifade eder.<\/p>\r\n\r\n\r\n\r\n

WCB, WCC, A105, WC6 ve WC9 esas olarak bu aral\u0131ktaki a\u015f\u0131nd\u0131r\u0131c\u0131 hizmetler i\u00e7in kullan\u0131l\u0131r: C5, CF8, CF3, CF8M ve CF3M kullan\u0131l\u0131r<\/p>\r\n\r\n\r\n\r\n

Y\u00fcksek S\u0131cakl\u0131k Seviyesi I<\/h3>\r\n\r\n\r\n\r\n

Y\u00fcksek S\u0131cakl\u0131k Seviyesi I, vanan\u0131n 800f ile 1025f derece aral\u0131\u011f\u0131ndaki \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131d\u0131r.<\/p>\r\n\r\n\r\n\r\n

Bu aral\u0131ktaki malzemeler ASTM A351 ailesindeki CF8 Paslanmaz \u00e7eli\u011fe dayanmaktad\u0131r.<\/p>\r\n\r\n\r\n\r\n

Y\u00fcksek S\u0131cakl\u0131k Seviyesi II ve Seviye III<\/h3>\r\n\r\n\r\n\r\n

Y\u00fcksek S\u0131cakl\u0131k Seviye II ve Seviye III, vanan\u0131n \u00e7al\u0131\u015fma s\u0131cakl\u0131klar\u0131 1025f ile 1350 derece aral\u0131\u011f\u0131ndad\u0131r.<\/p>\r\n\r\n\r\n\r\n

Bu aral\u0131ktaki malzemeler ASTM A351 ailesindeki CF8 Paslanmaz \u00e7eli\u011fe dayanmaktad\u0131r.<\/p>\r\n\r\n\r\n\r\n

1350f'nin \u00fczerindeki S\u0131cakl\u0131klar i\u00e7in vanan\u0131n \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131, y\u00fcksek s\u0131cakl\u0131k S\u0131n\u0131f IV ve S\u0131n\u0131f V olarak s\u0131n\u0131fland\u0131r\u0131l\u0131r. Bu, uygulamaya \u00f6zel tavsiyeler gerektirir ve bas\u0131n\u00e7-s\u0131cakl\u0131k seviyesi plastik deformasyona neden olabilece\u011finden rutin olarak fiyatland\u0131r\u0131lamaz.<\/p>\r\n\r\n\r\n\r\n

Bas\u0131n\u00e7\/S\u0131cakl\u0131k Matrisi<\/h3>\r\n\r\n\r\n\r\n

D\u00f6kme \u00c7elik veya d\u00f6vme \u00e7elik vanalar, karbon \u00e7eli\u011fi veya paslanmaz \u00e7elik ala\u015f\u0131mlar\u0131ndan yap\u0131labilir ve kaplamalar, 10.000 psi'ye kadar 1000f derecelik s\u0131cakl\u0131klara dayanabilir. Bu valfler metalden metale tam sert y\u00fczeyli yuvalardan veya \u00e7e\u015fitli krom-moly ala\u015f\u0131mlar\u0131ndan ve Monel 400, Hastelloy C276, Inconel 600 ve Inconel 625 gibi egzotik malzemelerden yap\u0131lm\u0131\u015ft\u0131r.<\/p>\r\n\r\n\r\n\r\n

Bas\u0131n\u00e7-s\u0131cakl\u0131k i\u00e7in vanalar nas\u0131l belirlenir?<\/p>\r\n\r\n\r\n\r\n

ASME B16.34 Bas\u0131n\u00e7 S\u0131cakl\u0131k Tablosu, \u00f6nerilen uygulama i\u00e7in malzemeleri bas\u0131n\u00e7 ve s\u0131cakl\u0131\u011fa g\u00f6re grupland\u0131r\u0131r.<\/p>\r\n\r\n\r\n\r\n

Y\u00fcksek S\u0131cakl\u0131k Grubu Malzemeleri<\/h2>\r\n\r\n\r\n\r\n

\u00d6rne\u011fin, s\u00fcrg\u00fcl\u00fc vanalar, k\u00fcresel vanalar, stop-\u00e7ek vanalar ve \u00c7ek vanalar, ASME B16.34 Bas\u0131n\u00e7 S\u0131cakl\u0131k Tablosuna dayal\u0131 olarak \u00f6nerilen malzeme kombinasyonlar\u0131na sahiptir. SA 182 F11, SA 182 F22, SA 182 F316, ASTM A351 CF8M, A 351 CN7M, C-276, A217 WC6, A217 WC9, A216 WCB, A352 LCB, A352 LCC, A352 LC2, A352 LC3, A217 WC1, A217 WC 4 , A217 WC6, A217 WC9, A 217 C5'in t\u00fcm\u00fc bas\u0131n\u00e7, s\u0131cakl\u0131k ve korozyon direnci a\u00e7\u0131s\u0131ndan farkl\u0131 yeteneklere sahiptir.<\/p>\r\n\r\n\r\n\r\n

Valf s\u0131n\u0131rlamalar\u0131n\u0131 belirleyen ek bir fakt\u00f6r, daha y\u00fcksek s\u0131cakl\u0131klar i\u00e7in Grafoil veya Grafitten, 500F derecenin alt\u0131ndaki s\u0131cakl\u0131klar i\u00e7in Teflondan ve y\u00fcksek s\u0131cakl\u0131kta iki katl\u0131 ve \u00fc\u00e7 katl\u0131 Monel k\u00f6r\u00fcklerden yap\u0131labilen salmastra ve conta malzemeleridir.<\/p>\r\n\r\n\r\n\r\n

Y\u00fcksek S\u0131cakl\u0131k \u00c7ek Valf\u0131n\u0131n \u00d6zellikleri<\/h2>\r\n\r\n\r\n\r\n