Key Specifications / Features
We are a trusted provider of dual plate check valves in China, offering high-performance non-return valves designed in compliance with API 594 standards. This 4-inch valve features a corrosion-resistant aluminum bronze body and disc made from ASTM B148 C95800, ideal for marine and corrosive environments. With options for wafer, lug, and flanged ends, it provides versatile installation across various piping systems. Rated for Class 150 LB, the valve includes a spring-loaded dual plate mechanism for quick shut-off and reliable backflow prevention. Compact, durable, and efficient, it's an excellent choice for demanding industrial and offshore applications.