Dual Plate Check Valve, API 6D, API 594, ASME B16.34

Supplier of Dual Plate Check Valves: Dual Plate Check Valves, sizes 1/2 to 60 Inches, Class 150-2500 LB, PN16-PN420, compliant with API 6D, API 594, and ASME B16.34 standards, featuring a one-piece union body.

https://www.ball-valve-manufacturer.com/wafer-check-valve.html