Key Specifications / Features
As a leading swing check valve manufacturer in China, we offer swing check valves designed to BS 1868 standards for reliable backflow prevention and smooth operation. Each valve is constructed with a robust body and trim made from aluminum bronze ASTM B148 C95800, providing excellent corrosion resistance and long-lasting durability in demanding environments. Sized at 4 inches with a Class 300 LB pressure rating, these valves feature a bolted bonnet for secure sealing and easy maintenance. Supplied with raised face (RF) flanged ends, they are ideal for marine, offshore, and industrial applications.