材质[Materials]零件[Parts]材质阀体[Body]球墨铸铁阀杆[Stem]13%Cr不锈钢碟板[Disc]球墨铸铁304型不锈钢O型圈[O-ring]橡胶橡胶密封垫[Sestrubber]橡胶尺寸[Dimensi***](mm)DNmm506580100125150200250300350400inch221/23456810121416d506580100125150197246295334385H226234252262290302365506531600655L43464652565660687878102D90104124146176206257312364407466C120140160185225260305380430480540D1110110110110110110170310310360360L1135135135135150150180280280310310E969696969696148221221269269)