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300H升降式消声止回阀的简单介绍300H升降式消声止回阀300H升降式消声止回阀的详细信息商品名称: 300H升降式消声止回阀 商品编号: 300H1 型号:300H升降式消声止回阀 规格:DN50~DN300 温度:-20℃~135℃ 压力:1.0MPa~1.6MPa 阀体材质:灰铸铁、球墨铸铁 阀瓣材质:灰铸铁、球墨铸铁 导向架、导向轴材质:不锈钢 阀座材质:NBR、EPDM 轴、弹簧材质:不锈钢 Type: 300H Lifting Noise-eliminating Check Valve(Waterproof Hammer) Specification: DN50 -300 Temperature: -20℃ - 135 ℃ Pressure: 1.0MPa-1.6MPa Materials of Body and lamella: Ductile Iron (GGG40, GGG50). Cast Iron (GG25) Materials of Crosshead and Guiding Axis:Stainless Steel, Albronze Materials of Sealing Gaskets: EPDM, NBR, PTFE Materials of spring: Stainless Stee
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