Alloy 20 Dual Plate Check Valve Body: Alloy Steel, Duplex Stainless Steel, Super Duplex, Inconel, Incoloy, Titanium Disc: Alloy Steel, Duplex Stainless Steel, Super Duplex, Inconel, Incoloy, Titanium Seat: Metal Seated, BUNA, EPDM, VITON Nominal Size: 2″ to 24″ Nominal Pressure: PN16, PN10, Class150 to Class600 End Connection: Lugged Design and Manufacture Standard: API 594 […]