PRODUCT NAME: ZERO VELOCITY VALVE
Zero Velocity Valve are to prevent reversal / return of water column by perfect non-slam closing just before reversal of water column giving most effective surge control on tripping of pumps in raw water/clear water cross country rising main and lift irrigation schemes.
FEATURES OF THE VALVE
► Offered in Flanged end / Butt weld construction for piping connection.
► Dome profile designed for steady flow.
► Controlled closing characteristics.
► Stainless Steel Springs for high sensitivity and low head loss.
► Bypass circuit to break the Vacuum arising upstream due to closure of valve.
LIST OF IMPORTANT ORDERS FOR ZERO VELOCITY VALVES & AIR CUSHION VALVES
| TECHNICAL SPECIFICATION | |
| Flange End according to | IS 1538 |
| Size Range | 80 mm to 3000 mm |
| Pressure Rating | Up to 40 Kg/cm² depending upon size |
| End connection | Flanged |
| MATERIAL OF CONSTRUCTION | |
| Body Shell/Disc/End Flanges/Body & Disc Seat ring | MS IS 2062 |
| Springs | Stainless Steel (SS 304) |
| Shaft | C.S. with SS 304 Sleeve |
| Bushes | Bronze IS 318 |
| Gasket | Rubber IS 638 |
| By Pass | MS IS 2062 |
| By Pass Sluice Valve | D.I / C.I |
