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