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200X減壓閥工作原理: 當(dāng)閥門從進(jìn)口端給水時,水流過針閥進(jìn)入主閥控制室,出口壓力通過導(dǎo)管作用到導(dǎo)閥上。當(dāng)出口壓力高于導(dǎo)閥彈簧設(shè)定值時,導(dǎo)閥關(guān)閉??刂剖彝V古潘藭r主閥控制室內(nèi)壓力升高并關(guān)閉主閥,出口壓力不再升高。 當(dāng)閥門出口壓力降到導(dǎo)閥彈簧設(shè)定壓力時,導(dǎo)閥開啟,控制室向下游排水。由于導(dǎo)閥系統(tǒng)排水量大于針閥的進(jìn)水量,主閥控制室壓力下降。進(jìn)口壓力使主閥開啟。在穩(wěn)定狀態(tài)下,控制室進(jìn)水、排水相同,主閥開度不變,出口壓力穩(wěn)定。調(diào)節(jié)導(dǎo)閥彈簧即可設(shè)定出口壓力。
200X減壓閥主要技術(shù)參數(shù): 公稱壓(Mpa)殼體試驗壓力(MPa)密封試驗壓力(MPa)**高進(jìn)口壓力(MPa)出口可調(diào)壓力(MPa)適用介質(zhì)介質(zhì)溫度(℃)1.01.51.11.00.09-0.8水0-801.62.41.761.60.10-1.22.53.752.752.50.15-1.6
部件列表: 1、導(dǎo)閥2、主閥3、球閥4、壓力表5、針表
200X減壓閥連接尺寸:DNLAA1HH1FDmmD1mmD2mmn-ΦdmmmmmmmmmmmmPN1.0PN1.6PN2.5PN1.0PN1.6PN2.5PN1.0PN1.6PN2.5PN1.0PN1.6PN2.5201802921363422471161051051057575755858564-13.54-13.54-14251802921363422471161151151158585856868654-13.54-13.54-14321802921363422471161401401401001001007878764-17.54-17.54-18402403301553952781701501501501101101108888844-17.54-17.54-1850240330155395278170165165165125125125102102994-17.54-17.54-18652503501654052981801851851851451451451221221184-17.54-17.58-18802853651754303132102002002001601601601331331328-17.58-17.58-181003604101955103502752202202351801801901581581568-17.58-17.58-221254004552205603653102502502702102102201841841848-17.58-17.58-261504554752305854203552852853002402402502122122118-228-228-262005855302556754504603403403602952953102682682748-2212-2212-2625065062330073047050039540542535035537032032033012-2212-2612-3030080070034076049058044546048540041043037037038912-2212-2616-3035086084041584052664050552055546047049043043044816-2216-2616-3340096088043091057071556558062051552555048248250316-2616-3016-364501075930460103061078061564067056558560053255054820-2620-3020-365001075980490113566583067071576062065066058558560920-2620-3320-3660012301060530127072592078084084572577077068568572020-3020-3620-3970016501130560146086598089591096084084087580080082024-3024-3624-42800175012306101640975105010151025108595095099090590592824-3324-3924-48
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