Why It’s Useful
- Backflow prevention
- One-way fluid control
- Water system regulation
- Durable plumbing components
WS440-FL - DN 450
Regular price
£9,220.00
Hurry up! Only 20 items left in stock
The WaStop check valve installs in stormwater systems, providing immediate protection against flooding and backflow. Its unique, simple, and effective design also prevents unwanted odour and pest intrusion. This model features a flange for bolting onto a head wall, ensuring secure and fast installation.
Technical specification
| Nominal diameter | DN 450 (NPS 18) |
| Max. Flow Velocity | 3 m/s (9.8 fps) |
| Weight | 31 kg (68.3 lb) |
| # Bolt holes (#B) | 12 |
| Bolt Circle Diameter (BCD) | 580 mm (22.8 in) |
| Dimension | 443 mm (17.4 in) |
| Valve body length (L) | 840 mm (33.1 in) |
| Outer Ø (OD) | 443 mm (17.4 in) |
| Ø Bolt Holes (ØB) | 13 mm (0.5 in) |
| Max. Flow Volume | 478 l/s (7576.5 GPM) |
| Max. ID Host Pipe | 464 mm (18.3 in) |
| Min. ID Host Pipe | 446 mm (17.6 in) |
| Flange bolt pattern | Wapro |
| Fasteners mtrl. | 316L stainless steel |
