Tooflow brings this latest technology for the first time in India. Silent Check Valves are a short length double flanged valves with all the internals designed Hydrodynamically. This valves, when open, the annular area between the body & plunger available for flow, is equal to the nominal bore area. Therefore, unlike other spring loaded valves & conventional flapcheck valves, these valves offer lower head losses & maintains laminar flow. As the valve closes, due to return spring force, valve is “Quick Closing”. The valve gets closed before the start of back flow / return velocity. Hence, water hammer is eliminated in most of the cases.
| Description | Standard Material | On Request |
|---|---|---|
| BODY/GUIDE | CAST IRON (GG25) | |
| PLUNGER | S.G. IRON | |
| SPRING | STAINLESS STEEL | |
| SEAT RING | L T BRONZE | |
| Paint | ENAMEL PAINT | |
| End Connection | Flanged | |
| Size Range | 40mm TO 400mm | |
| Pressure Testing |
Body: 1.5 × PN Seat: 1.1 × PN |
|
| PRESSURE RATING - KPa |
40mm TO 125mm : PN 1.6 150mm TO 300mm : PN 1.0 350mm & 400mm : PN 0.6 |
|
| Installation | Horizontal as well as Vertical | |
| Temperature | Suitable up to 80°C | |
| Dimensions (A = size in mm) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | |
| D | 150 | 165 | 185 | 200 | 220 | 285 | 340 | 406 | 457 | 527 | 578 | |
| W | 85 | 105 | 128 | 156 | 194 | 264 | 346 | 430 | 500 | 600 | 686 | |
| H | 85 | 100 | 120 | 140 | 170 | 230 | 290 | 355 | 398 | 475 | 560 | |