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Wenzhou Valve Manufacturing

Industrial Check Valves

Machined across our Yongjia and Longwan production facilities, our non-return check valves provide dependable backflow prevention engineered to standard ASME, DIN, and JIS connection criteria.

Material Coverage

Standardized Metallurgy

We cast and machine industrial check valves across verified standard alloys, prepared for ASME, DIN, and JIS piping specifications with complete chemical traceability.

Ductile & Grey
Carbon Steel
Stainless Alloy

Cast Iron

WCB Carbon Steel

CF8M Stainless Steel

Cast iron check valves suited for water circulation systems, low-temperature utilities, and general cooling networks where cost-efficient backflow prevention is needed.

WCB carbon steel check valves engineered for thermal pipeline duties, hydrocarbon handling, and steam circuits requiring dependable structural toughness.

CF8M austenitic stainless steel check valves built for corrosive chemical process lines, industrial solvents, and aggressive media requiring high oxidation resistance.

Wide shot of an industrial pipeline manifold with flanged non-return valves installed along insulated steel pipe runs inside a modern plant.
Wide shot of an industrial pipeline manifold with flanged non-return valves installed along insulated steel pipe runs inside a modern plant.
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System Protection

Piping System Applications

Our check valves protect pumps, compressors, and pipeline networks against destructive reverse flow in chemical plants, water distribution stations, and refining loops.

Bodies are machined from verified foundry castings accompanied by serialised hydrostatic test records and chemical analysis, supporting international ASME, DIN, and JIS installation standards.

Direct Inquiries

Request a Quotation

Send your required check valve quantities, selected materials, and preferred ASME, DIN, or JIS standards. Our engineering sales office in Wenzhou will provide formal pricing.