Pneumatic Flange Butterfly Valve D643H
Product overview of Pneumatic Flange Butterfly Valve D643H:Product model: D643HNominal diameter: DN50~800mmNominal pressure: 16, 25, 40bar (please specify when ordering with higher pressure)Medium temperature: W1:-40~180℃, W3: -30~425℃, W4 :-40~ 425℃Body material: carbon steel (C), stainless steel (P4, P6)Connecti...