Content :
API 594 Wafer Check Valve Supplier: Wafer Type Check Valve, compliant with API 594 standards, available in sizes from 2 to 16 inches and pressure ratings from Class 150 to 2500 LB. Constructed from carbon steel, stainless steel (SS), or alloy steel (AS), tested in accordance with API 598, with face-to-face dimensions per API 594.