DQ41F低温法兰球阀
DQ41F低温法兰球阀分为低温浮动球和低温固定球两类,用于截断或接通管路中的低温介质,介质**温度不得低于-196度。低温球阀 执行标准设计与制造结构长度法兰尺寸压力-温度试验-检验GB122237GB12221GB9113 JB79GB9131GB/T13927 JB/T9092低温球阀 压力试验公称压力1.62.54.0强度试验2.43.86.0水密封试验1.82.84.4气密封试验0.4-0.7低温球阀 主要零件材料阀体WCBZG1Cr18Ni9TiCF8CF3ZG1Cr18Ni12Mo2TiCF8MCF3M球体 阀杆2Cr131Cr18Ni9Ti304304L1Cr18Ni12Mo2Ti316316L阀 座聚四氟乙烯PTFE 加坡纤增强聚四氟乙烯PTFE+Glass 对位聚笨PPL垫片聚四氟乙烯PTFE 不锈钢/柔性石墨 齿形垫片阀杆座聚四氟乙烯PTFE 不锈钢/柔性石墨填料聚四氟乙烯PTFE 增强柔性石墨填料压盖WCB1Cr18Ni9Ti304304L1Cr18Ni12Mo2Ti316316L温度-40~150介质水 蒸汽 油品硝酸类强氧化介质醋酸类尿素类低温球阀 主要外形尺寸1.6MPaDNLDD1D2bn-φdHD0凸面法兰RFDQ4116C16P16R15130956545144-1478140201401057555144-1484160251501158565144-14951803216513510078164-181502504018014511085164-1815030050200160125100184-1817035065220180145120204-1819535080250195160135208-18215400100280215180155208-18250500125320245210185228-18265600150360280240210248-232708002004003352952652612-2333012002.5MPa15130956545164-14103140凸面法兰RFDQ412525P25R201401057555164-14112160251501158565164-141231803216513510078184-181502504018014511085184-1815630050200160125100208-1817235065220180145120228-1819735080250195160135228-23222400100280230190160248-23253500125320270220188288-25275600150360300250218308-252868002004003603102783412-253401200 4.0MPaDNLDD1D2D6bn-φdHD0凹凸法兰MFMDQ414040P40R1513095654540164-1410314020140105755551164-1411216025150115856558164-14123160321801351007866184-18150250402001451108576184-181562505022016012510088204-1817235065250180145120110228-1819735080280195160135121228-18222450100320230190160150248-23253450125400270220188176288-25275600150400300250218204308-252868002005503753202822603812-3034012006.4MPa15165105755540184-14105140凹凸法兰MFMDQ416464P64R20190125906851204-18125160252161351007858224-18135250322291501108266244-23150350402411651259576244-231653505029217513510588264-2317545065330200160130110288-2320045080356210170140121308-23210600100432250200168150328-25250700125508295240202176368-302951100150559340280240204388-343401500