Company Information BG800H Series all rubber lining check valve Specifications 1.Nominal diameter:DN50--DN300mm 2.Nominal pressure:PN1.0-PN1.6MPa 3.Applicable medium:Water,gas,oil,etc. 4.Applicable temperature:-15-120 ℃ 5.Body material:Cast iron,Ductile iron If you are interested in our valves, please mail me at any time, we will make a reply promptly.