NKJ61H真空隔离焊接式截止阀发布者：：admin发布时间：：2010-05-2117:09浏览次数：：20产品介绍：NKJ61真空截止阀主要性能规范产品类型Producttype壳体强度试验/MPaShelistrangthtest上密封试验/MPaBacksealtest密封试验/MPaSealtest适用介质Applicablemedium适用温度/℃ApplicabletemperatureNKJ61H-406.O4.44.4水、蒸汽、空气Water、Steam、Air≤425NKJ61H-64967.O7.ONKJ61H-10015.O11.011.ONKJ61Y-40l6.O4.44.4水、蒸汽、空气Water、Steam、Air≤550NKJ61Y-64l9.67.07.ONKJ61Y-1OOI15.O11.O11.ONKJ61H真空截止阀主要零件材料MaterialforMainParts零件名称Partname阀体、阀盖BodyBonnet阀杆ValveStem阀瓣Disc密封面Sealingface阀杆螺母Yokenut填料Packing紧固件FasteherNKJ61H-C型25或WCB铬不锈钢Crstainmlessteel铬不锈钢CrstainmlesssteelH：合金钢H：alloysteel铝青铜AIbronze膨胀复合石墨Expandingcompoundgraphlte优质碳钢High-gradecarbonsteelNKJ61Y-l型铬钼钢Cr.Mosteel20CrlM01vA或38CrMoAlA12CrlMo1VAY：硬质合金Y:oarbidealloy铬钼钢Cr.MosteelNKJ61H真空截止阀主要尺寸及重量Maindimensionsａndweight公称通径DN/mmNominaldiameter公称压力PN/MPaNominalpressure主要外形尺寸和连接尺寸/mmMainextemalａndconnectingdmensionsLHDD0D1L1αW1O4.0130245361118.41O-120