詳細介紹 Z42H雙閘板閘閥 主要性能規范 型號Type公稱壓力PN(MPa)Nominal pressure公稱壓力PN(MPa)Nominal pressure適用介質Media avaliable工作溫度Working Temperature(℃)密封(液)Seal低壓密封(氣)Low-voltage Seal強度 IntensityZ42H-16C1.61.80.62.4水、蒸汽等Water、steam,etc≤300Z42H-252.52.80.63.8 Z42H雙閘板閘閥 主要零件材料 零件名稱Part name閥體、閥蓋Body、Bonnet閥桿Stem閥板Disc閥桿螺母Stem nut填料Packing手輪Hand wheel材料Material碳鋼Carbon steel2Cr13優質碳鋼High-grade carbon steel鋁青銅Al bronze石墨石棉盤根Graphie asbestos coils球墨鑄鐵Nodular cast iron