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