As a reliable supplier in China, we provide dual plate check valves in adherence to API 594 and API 6D standards. Our versatile range covers sizes from 2 to 48 inches, accommodating Class 150-900 LB specifications. Crafted from high-quality materials such as ASTM A216 WCB, A351 CF8, and A352 LCB, our dual plate check valves are designed to be retainerless. They are available in wafer, lug, and flange end configurations, offering flexibility for various applications.