Dual Plate Wafer Design Check Valve   These are Grey Iron body valves for economy & durability.   Design Standard API 594 Testing Standard API 598 Rating ANSI #125 Size Range DN 50 - DN1000 Ends Wafer Ends, the flat face, or serrated to Ra 125 No. Parts Name Material 1. Body ASTM A 126 [ Grey Cast Iron], ASTM A 216 gr.WCB / CF8 / ASTM [ Cast Steel, Stainless Steel] 2. Doors ASTM A 216 gr.WCB / CF8 / ASTM [ Cast Steel, Stainless Steel] 3. Springs AISI 316 / Inconel 4. Trims AISI 410 / AISI 304 / AISI 316 5. Seat Soft seating on Doors as required Buna - N Back Home | About Us | Products | Inquiry | Contact Us Powered by Pinsoftek®