NKJ41H真空隔离截止阀适用于公称压力PN4.0～10.0Mpa，工作温度≤200℃的火力电站回水冷凝系统管道上，切断或接通中的介质。适用介质为：水、蒸汽等。产品结构特点1.产品按JB/T3595标准设计制造，满足电站设备配套使用要求。2.设计了真空密封结构填料室，隔离真空可靠。NKJ41真空隔离截止阀3.阀杆经调质及表面氮化处理，有良好的抗腐蚀性，抗擦伤和耐磨性。4.法兰垫片采用复合材料，膨胀系数大，气密性能好，保证系统与大气隔离可靠。5.倒密封采用不锈钢螺纹连接密封座或本体堆焊奥氏体不锈钢而成，倒密封可靠。填料更换和维修可在不停机情况下进行，方便NKJ41H真空截止阀主要零件的材料说明阀体25、WCBCr5Mo阀盖25、WCBCr5Mo支架25、WCBCr5Mo阀瓣2Cr13、WCBCr5Mo阀杆2Cr1338CrMoAL、25Cr2MoV阀座25、304304密封环膨胀柔性石墨填料膨胀柔性石墨阀杆螺母ZCuA110Fe3NKJ41H真空截止阀主要零件的材料说明：阀体25、WCBCr5Mo阀盖25、WCBCr5Mo支架25、WCBCr5Mo阀瓣2Cr13、WCBCr5Mo阀杆2Cr1338CrMoAL、25Cr2MoV阀座25、304304密封环膨胀柔性石墨填料膨胀柔性石墨阀杆螺母ZCuA110Fe3NKJ41H真空截止阀主要尺寸及重量：公称通径DN(mm)公称压力PN(MPa)主要外形及连接尺寸(mm)LH手DDoD1L1αW104.0130245361118.41012015130245361622.51012020150265442128.51116025160270482634.51220032180285483437.5°20040200320554037.5°24050230365644837.5°32065290410826637.5°30080310430957837.5°30001003547011710037.5°35012540050014312637.5°35015048053316715037.5°400106.4130245361018.41012015130245361522.51012020150265442028.51116025160270482534.51220032180280483337.5°20040200320553937.5°24050230365644837.5°32065290410826537.5°32080310430957637.5°3601003504701179837.5°40012548050014312337.5°40015048053316714837.5°5001010.0130245361018.41012015130245361422.51012020150265442028.51116025160270482534.51220032180285483237.5°20040200320553837.5°24050230355644837.5°32065290410826337.5°32080310430957437.5°3601003504701179737.5°40012540050014312337.5°40015048053316714837.5°500)