Company Information BG370A Series With Fire Signal Butterfly Valve Specifications 1.Nominal diameter:DN40-DN600mm 2.Nominal pressure:PN1.0-PN1.6MPa 3.Applicable medium:Water,gas,oil,etc. 4.Drive mode:Worm gear 5.Applicable temperature:-15-120 ℃ 6.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.