DQ41F低溫法蘭球閥
DQ41F低溫法蘭球閥分為低溫浮動球和低溫固定球兩類,用于截斷或接通管路中的低溫介質,介質**溫度不得低于-196度。低溫球閥 執行標準設計與制造結構長度法蘭尺寸壓力-溫度試驗-檢驗GB122237GB12221GB9113 JB79GB9131GB/T13927 JB/T9092低溫球閥 壓力試驗公稱壓力1.62.54.0強度試驗2.43.86.0水密封試驗1.82.84.4氣密封試驗0.4-0.7低溫球閥 主要零件材料閥體WCBZG1Cr18Ni9TiCF8CF3ZG1Cr18Ni12Mo2TiCF8MCF3M球體 閥桿2Cr131Cr18Ni9Ti304304L1Cr18Ni12Mo2Ti316316L閥 座聚四氟乙烯PTFE 加坡纖增強聚四氟乙烯PTFE+Glass 對位聚笨PPL墊片聚四氟乙烯PTFE 不銹鋼/柔性石墨 齒形墊片閥桿座聚四氟乙烯PTFE 不銹鋼/柔性石墨填料聚四氟乙烯PTFE 增強柔性石墨填料壓蓋WCB1Cr18Ni9Ti304304L1Cr18Ni12Mo2Ti316316L溫度-40~150介質水 蒸汽 油品硝酸類強氧化介質醋酸類尿素類低溫球閥 主要外形尺寸1.6MPaDNLDD1D2bn-φdHD0凸面法蘭RFDQ4116C16P16R15130956545144-1478140201401057555144-1484160251501158565144-14951803216513510078164-181502504018014511085164-1815030050200160125100184-1817035065220180145120204-1819535080250195160135208-18215400100280215180155208-18250500125320245210185228-18265600150360280240210248-232708002004003352952652612-2333012002.5MPa15130956545164-14103140凸面法蘭RFDQ412525P25R201401057555164-14112160251501158565164-141231803216513510078184-181502504018014511085184-1815630050200160125100208-1817235065220180145120228-1819735080250195160135228-23222400100280230190160248-23253500125320270220188288-25275600150360300250218308-252868002004003603102783412-253401200 4.0MPaDNLDD1D2D6bn-φdHD0凹凸法蘭MFMDQ414040P40R1513095654540164-1410314020140105755551164-1411216025150115856558164-14123160321801351007866184-18150250402001451108576184-181562505022016012510088204-1817235065250180145120110228-1819735080280195160135121228-18222450100320230190160150248-23253450125400270220188176288-25275600150400300250218204308-252868002005503753202822603812-3034012006.4MPa15165105755540184-14105140凹凸法蘭MFMDQ416464P64R20190125906851204-18125160252161351007858224-18135250322291501108266244-23150350402411651259576244-231653505029217513510588264-2317545065330200160130110288-2320045080356210170140121308-23210600100432250200168150328-25250700125508295240202176368-302951100150559340280240204388-343401500