Single Door Check Valves

Reliable, high-performance check valves designed for pump protection in various industrial and commercial applications. Available compliance to ANSI B16.34, and API 594. Available certifications including API 6FD, CE, CRN, FM, NSF, PED, and UL. Available in sizes 1-60” (NPS 25 to 1500 mm).

Single Door Check Valves

Optimized Geometry for Flow Efficiency

Streamlined design ensures rapid opening at low flow rates, providing a short, straight flow path minimizing turbulence. It operates smoothly across a range of media flows, including systems with control valves.

Single Door Check Valves

Full Valve Traceability

Standard nameplate features full valve traceability includes series numbers, manufacturing date, and material details.

Single Door Check Valves

Seating Options for Diverse Applications

Hard Seat and Soft Seat zero-leakage designs provide bubble-tight closure for reliable performance. Meet a wide range of application needs and temperatures from cryogenic to high-temperature ranges.

Single Door Check Valves

Engineered for Efficiency and Reliability

The flow-activated disc is spring-biased to a closed position. This design extends service life by limiting internal movement. The non-slamming spring ensures a quick, silent close, reducing water hammer. The hinge evenly distributes force and prevents excessive disc opening, protecting the seating surfaces.

Single Door Check Valves

Versatile Installation Options

Suitable for both horizontal and upward vertical flow, providing installation simplicity and flexibility. Significantly reduces install space versus traditional bolted bonnet designs.

Single Door Check Valves

Special Accessories Available

Base models can be tailored to meet customer requirements by adding external mounting accessories such as Fusible Links, Hydraulic Dampers, Levers, Limit Switches, Position Indicators, Springs, Weights, and many more.

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