Why It’s Useful
- Backflow prevention
- One-way fluid control
- Water system regulation
- Durable plumbing components
WS97-S3-316
Regular price
£830.00
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The WaStop Inline check valve installs in stormwater systems and outlets, providing immediate protection against flooding and backflow. Its unique, simple, and effective design also prevents unwanted odour, especially at outlets in tidal environments. The standard variant is supplied with an EPDM gasket and mounting tabs.
Technical specification
| Nominal diameter | DN 100 (NPS 4) |
| Max. Flow Velocity | 2 m/s (6.6 fps) |
| Weight | 0.8 kg (1.8 lb) |
| # Bolt holes (#B) | 2 |
| Bolt Circle Diameter (BCD) | 212 mm (8.3 in) |
| Dimension | 96 mm (3.8 in) |
| Valve body length (L) | 210 mm (8.3 in) |
| Outer Ø (OD) | 96 mm (3.8 in) |
| OD incl. gasket (ODG) | 108 mm (4.3 in) |
| Ø Bolt Holes (ØB) | 8.5 mm (0.3 in) |
| Max. Flow Volume | 16 l/s (253.6 GPM) |
| Max. ID Host Pipe | 106 mm (4.2 in) |
| Min. ID Host Pipe | 98 mm (3.9 in) |
| Watertightness | EN 13564 |
| Fasteners mtrl. | 316L stainless steel |
| Gasket | EPDM |
