法兰高压截止阀-上海好施阀门有限公司

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1、截止阀的启闭件是塞形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。阀杆的运动形式，有升降杆式（阀杆升降，手轮不升降），也有升降旋转杆式（手轮与阀杆一起旋转升降，螺母设在阀体上）。截止阀只适用于全开和全关，不允许作调节和节流。执行标准AdministerStandard设计与制造DesignandManufacture结构长度FaceToFace法兰尺寸FlangeDimension压力-温度PressureTemperatureLating试验-检验InspectionAndTestGB12

2、2235GB12221GB9113JB79GB9131GB/T13927JB/T9092压力试验PressureTest公称压力NominalPressure1.62.54.06.410.016.0强度试验ShellTest2.43.86.09.615.024.0水密封试验WaterSealTest1.82.84.47.011.018.0上密封试验BackseatTest1.82.84.47.011.018.0气密封试验AirSealTest0.5-0.7主要零件材料及性能MainPartMateria

3、lsandProperty体、盖、板BodyCoverDisc阀杆Stem密封面SealingFace垫片Sealing　Shim填料Packing工作温度℃WorkingTemperature适用介质SuitableMediumWCB2Cr1313CrSTL木体材料WithBodyMaterial尼龙Nylon增强柔性石墨EnhancedFlexibleGraphite13Cr/柔性石墨1Cr13/FlexibleGraphite08软钢08SoftSteal0Cr18Ni9Ti0Cr17Ni12Mo

4、2TiXD550F(T)PTFE柔性石墨增强柔性石墨FlexibleGraphiteEnhancedFlexibleGraphiteSFB/260SFP/260PTFE　　≤425水蒸汽油品WaterSteamPetroleumPtoductsWC138CrMoAl25Cr2MoV≤450WC6≤540WC9≤570C5C12≤540ZGCr5Mo≤200硝酸类NitricacidZG1Cr18Ni9Ti1Cr18Ni9Ti≤200醋酸类AceticacidZG1Cr18Ni12Mo2Ti1Cr18Ni

5、12Mo2Ti规格主要尺寸和重量SizeMainDimensionsandWeight(mmkg)1.6MPaDNLDD1D2bn-φdHDo重量Weight凸面10130906040144-141981204.9法兰RFJ41HJ41YJ41WJ41FJ41N16C16P16R16I15130956545144-142181205.3201501057555144-142581407.0251601158565144-142751607.43218013510078164-182801808.3402

6、0014511085164-1833020012.650230160125100164-183502401465290180145120184-1840028022.780310195160135208-1835528029100350215180155208-1841532032.8125400245210185228-1846036079.5150480280240210248-23510400932006003352952652612-237104001792506224053553203012-

7、257864504413006984604103753012-25925500646规格主要尺寸和重量SizeMainDimensionsandWeight(mmkg)2.5MPaDNLDD1D2bn-φdHDo重量Weight凸面法兰RFJ41HJ41YJ41WJ41FJ41N16C16P16R16I10130906040164-141981204.915130956545164-142181205.3201501057555164-142581407.0251601158565164-1427516

8、07.43218013510078184-182801808.34020014511085184-1833020012.650230160125100208-183502401665290180145120228-184002802580310195160135228-2335528030100350230190160248-2541532034.8125400270220188288-2546036089.5150480300250218