kitz铸铁闸阀***高工作压力120℃压力变动小的水、油、气1.6MPa(16bar)饱和蒸气0.9MPa(9bar)材质[Materials]零件[Parts]材质阀体[Body]灰铸铁阀盖[Bonnet]灰铸铁阀杆[Stem]黄铜闸板[Disc]灰铸铁填料[Glandpacking]非石棉垫片[Gasket]非石棉阀体防漏垫圈[Bodyseatring]青铜阀座防漏垫圈[Bodyseatring]青铜手轮[Handwheel]灰铸铁尺寸[Dimensi***](mm)DNmm506580100125150200250300inch221/2345681012L178190203229254267292330356H250285350400465515630760870D140160160180225225300350350)