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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