***高工作压力压力变动小的水、油、气4.12MPa(41.2bar)饱和蒸气1.0MPa(1.0bar)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***](mm)DNmm810152025324050inch1/43/81/23/4111/411/22d口径1010152025324050L40414956657687103H3636394449556573D808080100130130150150)