Express Valve Services Ltd provide the complete range of Check (Non return) Valves for use in Water, Sewage and Pumping applications.
WRAS approved valves available
EVS supply all styles of design of double flanged, multi door, recoil, wafer pattern, twin plate, anti flood and nozzle for horizontal and vertical pipelines.
Available in aperture sizes (dia/sq) of 80mm – 300mm (larger upon application).
Design Features
| Size |
50 – 1000mm dia (larger sizes available)
|
| Pressure rating | 16 bar - 25 bar (alternative pressures on application) |
| Materials Available | |
| Body | Ductile iron, Stainless Steel, uPVC |
| Disc | EPDM, Gunmetal, Welded Nickel Alloy, Stainless Steel, Various materials |
| Seals | Resilient, Metal |
| Connection | Flanged, Wafer, In line, Screwed |
| Options | Swing, Lever/weight and guard. Micro and Limit switch indication |