
DN250 PN40 WCB Multi-Layer Metal Hard Sealing Hydraulic Triple Offset Butt-Welded Butterfly Valve
DN250 PN40 WCB Multi-Layer Metal Hard Sealing Hydraulic Butt-Welded Butterfly Valve TIANYU DN250 PN40 butterfly valve merges WCB strength, multi-layer metal sealing, and hydraulic precision to deliver leak-tight, high-pressure flow control. Ideal for petrochemical, power, and heavy industrial applications, it ensures safety, efficiency, and durability—critical for infrastructure reliability.







