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WDL Valve industrial butterfly valves are used for isolation and flow control in oil and gas, petrochemical, power, water, wastewater, seawater, chemical and marine systems. Available designs include concentric soft-seated, high-performance double-offset and triple-offset metal-seated valves in wafer, lugged and double-flanged configurations.

Selection guidance: Concentric designs are commonly selected for water and utility service. Double-offset valves reduce seat wear and operating torque in higher-performance applications. Triple-offset metal-seated valves are considered for elevated temperature, demanding shutoff and severe process conditions. Final selection must account for pressure differential, temperature, flow velocity, seat material, dead-end duty and required leakage class.

Materials, standards and RFQ data: Body and disc options include cast iron, ductile iron, carbon steel, stainless steel, duplex steel, nickel alloys, titanium and nickel aluminum bronze. Valves can be supplied to applicable API 609, EN 593, ASME, ISO and project specifications with manual, pneumatic or electric actuation. Provide size, rating, body style, medium, temperature, material, seat, flange standard, shutoff direction and actuator requirements.

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