CHECK VALVE
| Types: | Swing check / Dual plate / Tilting Disc / Piston check / Ball check / Single Disc / Axial check |
| Construction: | Bolted bonnet / Pressure seal Wafer / Lug / Double flanged |
| Optional features: | Position indicator Locking devic Emergency assisted valves Dumpered valves |
| Materials: | Carbon Steel valves Low temperature carbon steel High temperature alloy steel Stainless Steel Valves Super Austenitic Stainless Steel Duplex Stainless Steel Super Duplex Stainless Steel Ni Alloy Titanium Aluminum bronze |
| Standards | Sizes |
| ANSI B16.34 API 6D BS 1868 | 1/2”-72” 150# 1/2”-64” 300# 1/2”-56” 600# 1/2”-48” 900# 1/2”-36” 1500# 1/2”-30” 2500# 1/2”-24” 4500# |
| API 6A | 2-1/16”- 11” 2000 psi 2-1/16”- 11” 3000 psi 2-1/16”- 11” 5000 psi 1-13/16”- 7 1/16” 10000 psi 1-13/16”- 4 1/16” 15000 psi 1-13/16”- 3-1/16” 20000 psi |