球墨铸铁DJ型蝶阀（蜗轮式）G-PN16DJ[蝶板(Disc):球墨铸铁(Ductilelron)/橡胶密封垫(Seatrubber):橡胶(NBR)]G-PN16DJE[蝶板(Disc):球墨铸铁(Ductilelron)/橡胶密封垫(Seatrubber):橡胶(EPDM)]G-PN16DJEM[蝶板(Disc):316型不锈钢(316TypeStainlesssteel/橡胶密封垫(Seatrubber):橡胶(NBR)]G-PN16DJEME[蝶板(Disc):316型不锈钢(316TypeStainlesssteel/橡胶密封垫(Seatrubber):橡胶(EPDM)]材质：[Materials]零件(Parts)材质阀体(BOdy)球墨铸铁阀杆(Stem)13%Cr不锈钢蝶板(Disc)球墨铸铁/316型不锈钢O型圈(O-ring)橡胶橡胶密封垫(Seatrubber)橡胶尺寸：[Dimensi***]DNmm506580100125150200250300350400450500600铝合金、防结露、不生锈蝶阀(蜗轮式)材质：[Materials]零件[Parts]材质阀体[Body]铝合金阀颈[Neck]不锈钢轴[Stem]不锈钢碟版[Disc]不锈钢橡胶密封垫[Rubbrseat]橡胶尺寸[Dimensi***]Sizemm40506580100125150200250300黄铜丝扣全口径球心阀型号：SZA***高工作压力[MaximumWorkingPressure]压力变动小的水、油、气4.12Mpa(41.2bar)饱和蒸汽1.0Mpa(10bar)材质：[Materials]零件[Parts]材质阀体[Body]黄铜阀盖[Bodycap]黄铜阀杆[Stem]黄铜球心[Ball]黄铜密封座[Ballseat]聚四氟乙烯O型圈[O-ring]橡胶手柄[Handle]碳素钢尺寸：[Dimensi***]DN：mm810152025324050)