隔膜閥本身結構設計的原因特適合于超純介質或污染嚴重，十分粘稠的液體、氣體、腐蝕性或惰性介質。與控制設備相結合時，隔膜閥更能取代其它傳統控制系統，尤其是適用于固體和易污染的惰性介質。產品主要應用于生物制藥、食品、行業;以及電力、化工、電鍍、等行業的工業水處理中,還被應用于半導體晶圓的生產中,隔膜閥是特別適用于運送有腐蝕性，有粘性的流體，例如泥漿、食品、藥品、織維性粘合液等，因管線中，隔膜閥的操作機構，是不暴露在運送流體中，故不具污染性，也不需要填料，閥桿填料部也不可能會泄漏。
diaphragmvalveisaspecialformofcut-offvalves,whichopenandclosethisisapieceofsoftqualitymaterialsproducedbythedivide,itseparatetheinsidebodyandinletinsidethecover.diaphragmvalveisreallyonly"jaw"valves,aflexible,threeofdiaphragmbyLoundergroundlinkincompressedpieces,thecompressionofwhichisoperatedbystemnextmovementwhencompressedpiecesrisediaphragmonhold,resultinginaccess,whencompressedpiecesfalling,diaphragmpressureontheweirinvalvebody(evenfortheweir-typevalves)orpressureatthebottomcontours(evenforstraight-throughprocessing),diaphragmvalveapplicabletoswitchesandreducinguse.
diaphragmvalveownspecialreasonsforthestructuraldesignsuitableforsuperpuremediumorseverepollutionveryropyliquids,gases,corrosiveorinertmedium.Combinedwithcontrolequipment,diaphragmvalvereplaceothermoretraditionalcontrolsystems,especiallyvulnerablepollutionapplicabletosolidinertmedium.Biologicalproductsaremainlyusedinthepharmaceutical,food,industry;Andthepower,chemical,electroplating,andindustrialwatertreatmentindustries,wasalsoappliedtothesemiconductorwaferproduction,diaphragmvalveparticularlyapplicabletothedeliveryofacorrosive,becamethefluid,suchasmud,food,medicines,woventogetherliquid-dimensional,becausepipelines,diaphragmvalveoperatingagencies,itisnotexposedtothedeliveryoffluid,Sonopolluting,anddonotneedtofill,theDepartmentcannotfillstemwillleak.
