Pneumatic Rigid Sealing Flange Butterfly Valve D643H
Product: Pneumatic Rigid Sealing Flange Butterfly ValveModel: D643HNominal diameter: DN50 ~ 800mmNominal pressure: 16,25,40 barMedium temperature: W1: -40 ~ 180 ℃, W3: -30 ~ 425 ℃, W4: -40 ~ 425 ℃Body material: Carbon (C), stainless steel (P4, P6)Connected mode: flangeTemperature: standard: -20 ~ 80 ℃Design criter...