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概述;主要零件材料零件名称材料牌号阀体WCBWC1WC6WC9阀座2515Cr1MoA12Cr1MoVA阀瓣WCBWCIWC6WC9摇杆WCBWCIWC6WC9阀盖2515Cr1MoA12Cr1MoVA密封环1Cr17Ni220Cr1MoVA密封环S软钢(增强柔性石墨)S软钢F软钢主要尺寸及重量公称通径PNS(in)外形和连接尺寸(mm)重量(Kg)dLH21/25625428257364325300574844063508051004834251156126559400180815871149027010200864540430122509916506301428010677101400公称通径PNS(in)外形和连接尺寸(mm)重量(Kg)dLH21/25033024040360368305604804573159559653340917061186104651868147762528415101809146136581222210416801200142541187451638公称通径PNS(in)外形和连接尺寸(mm)重量(Kg)dLH3543682974447045738511058653341013061046104551928130762557466101629146157301221010417151120142341118790149516264124581519501830413978152400)