High Performance Double Offset Wafer Butterfly Valve
WDL Valve high performance double offset wafer butterfly valves offer high-cycle shut-off with replaceable PTFE, RPTFE or PPL seats for gas, vacuum and industrial pipeline service.
WDL Valve copper alloy valves are used in marine, shipbuilding, seawater, cooling-water, firewater and selected industrial systems. Available materials include bronze, aluminum bronze and nickel aluminum bronze, with ball, butterfly, gate, globe, check and marine stop-check configurations.
Material guidance: Bronze grades suit many water, steam and marine utility duties. Nickel aluminum bronze, including C95800 where specified, provides higher mechanical strength and resistance in suitable seawater applications. Material selection must consider seawater velocity, chlorination, galvanic coupling, dealloying risk, temperature and the exact casting or wrought specification.
Standards and RFQ data: Products can be supplied to applicable JIS, DIN, EN, API, ASME and marine project requirements. Provide valve type, size, pressure rating, alloy grade, medium, temperature, connection, trim, seat, operation, classification-society and inspection requirements for quotation.
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WDL Valve high performance double offset wafer butterfly valves offer high-cycle shut-off with replaceable PTFE, RPTFE or PPL seats for gas, vacuum and industrial pipeline service.

WDL Valve JIS 16K bronze angle valves are designed for marine seawater, steam and compatible oil piping systems. The JIS F7304 provides manual isolation and flow control, while the JIS F7410 SDNR model combines shut-off control with reverse-flow prevention.

WDL Valve JIS F7352 5K bronze angle SDNR valve combines manual shut-off and automatic non-return functions in one compact marine valve. Its 90-degree angle body is suitable for seawater, steam and compatible oil piping systems.

WDL NAB C95800 Ball Valve provides quarter-turn isolation with a direct flow path and tight shutoff for shipboard seawater systems and offshore cooling-water lines. Connections, trim and operation are selected to the project conditions.

WDL NAB C95800 Butterfly Valve provides compact quarter-turn isolation or flow regulation for shipboard seawater systems and offshore cooling-water lines. Connections, trim and operation are selected to the project conditions.

WDL NAB C95800 Check Valve provides automatic prevention of reverse flow for shipboard seawater systems and offshore cooling-water lines. Connections, trim and operation are selected to the project conditions.

WDL NAB C95800 Gate Valve provides full-bore on-off isolation with low pressure loss when open for shipboard seawater systems and offshore cooling-water lines. Connections, trim and operation are selected to the project conditions.

WDL NAB C95800 Globe Valve provides controlled throttling and positive process isolation for shipboard seawater systems and offshore cooling-water lines. Connections, trim and operation are selected to the project conditions.
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