China Dual Plate Check Valve Manufacturer Landee offers Dual Plate Check Valve, ASTM A216 WCB, 8 Inch (DN 200), 400# (PN 64), Standard API 594.
China Wafer Check Valve Manufacturer Landee offers ASTM A216 WCB Wafer Check Valve, 2 Inch, API 594, Disc ASTM A351 CF8M, without surface treatment.
China API 594 Check Valve Fabricator Landee Offers API 594 Wafer Check Valve, ASTM A216 WCB, 3 Inch, Class 300, RF, to Shutoff or Control Medium Flow.