CONTROTEK Dual Disc / Dual Plate Check Valves are designed and manufactured according to API 594. Dual Disc design ensures minimum pressure drop across the Valve. Spring loaded disc ensures mounting the Valve in horizontal or vertical positions. Space required for installing this Valve is comparatively lesser than the conventional Swing Check Valves.
Size Range | 50NB through 900NB |
Pressure Range | 150# through 1500# |
Mfg. Std. | API 594 |
End Connection | Wafer / Lugged/ Flanged – RF/RTJ |
Inspection | API 598 |
Certification | Third Party/ Client/ Manufacturer QC |
NDT | Customer Requirement |
Type | Dual Disc-Spring Loaded |
Seat | Soft or Metal to Metal |
Ends | Wafer/ Lugged/ Flanged |
MOC | Iron, Carbon & Carbon Alloy Steel: Nodular Iron, Carbon Steel, Low Temperature Steel, High Temperature Carbon-Alloy Steel etc. Stainless, Duplex and Nickel Alloy Steel: Duplex and Super Duplex Steel of all Grades, Austenetic Stainless Steel of all Grades, and other High Nickel Alloys. Refer MOC Chart |