产品编号：5811573916产品名称：『法兰式真空隔离闸阀、电动真空隔离闸阀』规格：产品备注：型号：NKZ41H、NKZ44H产品说明法兰式真空隔离闸阀、电动真空隔离闸阀■主要性能规范Chiefpropertyandspecification■试验压力Testpressure公称通径DN/mmNominaldiameter试验压力/MPaSealtest壳体强度试验Shelistrength上密封试验Backseal密封试验Sealtest2.53828284O604444649.67.07.010.015.011.0110■试验压力Testpressure产品类型Producttype适用介质Applicablemedium适用温度/℃ApplicabletemperatureNKZ61HNKZ64HNKZ964HNKZ961HH-C型水、蒸汽、空气Water,r≤425NKZ61HNKZ64HNKZ964HNKZ961HY-I型水、蒸汽、空气Water,r≤550■法兰式真空隔离闸阀、电动真空隔离闸阀主要零件材料零件名称Partname阀体、阀盖BodyBonnet阀杆Valvestem阀板Wedgegate密封面Sealingface阀杆螺母Yokenut填料Packing紧固件FastenerNKZ61HNKZ64HNKZ964HNKZ961HH-C型WCB2Gr1325H：合金钢H：alloysteel铝青铜Albronze膨胀复合石墨Expandingcompoundgraphite优质碳钢High-gradecarbonsteelNKZ61HNKZ64HNKZ964HNKZ961HY-I型铬钼钢Cr.Mosteel20Cr1Mo1VA铬钼钢Cr．MosteelY：硬质合金Y：carbidealloy铬钼钢Cr．Mosteel)