隔膜阀本身结构设计的原因特适合于超纯介质或污染严重，十分粘稠的液体、气体、腐蚀性或惰性介质。与控制设备相结合时，隔膜阀更能取代其它传统控制系统，尤其是适用于固体和易污染的惰性介质。产品主要应用于生物制药、食品、行业;以及电力、化工、电镀、等行业的工业水处理中,还被应用于半导体晶圆的生产中,隔膜阀是特别适用于运送有腐蚀性，有粘性的流体，例如泥浆、食品、药品、织维性粘合液等，因管线中，隔膜阀的操作机构，是不暴露在运送流体中，故不具污染性，也不需要填料，阀杆填料部也不可能会泄漏。
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.
