Mains Stop Valve Threaded
Useful Information
Technical Specification
- Material: Glass-reinforced polyamide (non-metallic)
- Pressure Rating: 16 bar
- Connection Type: Threaded
- WRAS Approved: Yes
- Application: Mains water isolation for 50mm and 63mm pipe systems
- Installation: Suitable for above and below ground use
- Features: Quarter-turn full bore operation; optional drain port version available
Description
This mains stop valve is manufactured from high-performance glass-reinforced polyamide, offering a durable, lead-free solution for water control in both above and below ground applications. With a quarter-turn ball valve mechanism, it delivers full bore operation for minimal head loss and maximum flow efficiency. Rated to 16 bar, this valve is WRAS approved and is the first non-metallic option certified for use on 50mm and 63mm mains water pipes. A version with integrated drain ports is also available for added maintenance flexibility.
Key Features & Benefits
- Non-Metallic Construction: Made from glass-reinforced polyamide, ensuring a lead-free, corrosion-resistant build.
- WRAS Approved: First of its kind certified for use on 50mm and 63mm mains water pipes.
- High Pressure Rated: Handles pressures up to 16 bar, suitable for demanding mains applications.
- Quarter Turn Operation: Ball valve design provides reliable shut-off and smooth, full bore flow.
- Versatile Installation: Suitable for both above and below ground use.
- Optional Drain Ports: Available version includes drain ports for system servicing and maintenance.

| SKU | Supplier Code | Size (inch) | DN (mm) | A1 (mm) | A2 (mm) | H (mm) | I (mm) | B (mm) | E (mm) | W (mm) |
| 374309 | PV0370300007 | 3/4 | 20 | 27 | 54 | 97 | 17 | 36 | 53 | 175 |
| 374310 | PV0370300010 | 1 | 25 | 33 | 64 | 116 | 21 | 46 | 64 | 313 |
| 374311 | PV0370300013 | 1 1/4 | 32 | 36 | 70 | 118 | 20 | 55 | 73 | 393 |
| 374312 | PV037030U0015 | 1 1/2 | 40 | 45 | 87 | 144 | 24 | 65 | 91 | 712 |
| 374313 | PV037030U0020 | 2 | 50 | 53 | 97 | 162 | 29 | 75 | 100 | 91 |
