Class 600 LB Piston Check Valves, SS 316L, 1/2 IN, BW Ends

We are a reliable supplier of stainless steel piston check valves designed for high-pressure, non-return flow applications. Made from corrosion-resistant SS 316L, this compact NPS 1/2 inch (DN15) valve is rated for Class 600 LB service. It features butt weld ends for secure, leak-proof connections and is compatible with φ21.3 × 2.77 mm piping. Engineered for durability and efficiency, the piston check design ensures reliable backflow prevention in demanding systems. Ideal for chemical, petrochemical, and other industrial processes requiring robust stainless steel valve solutions.