Mains Stop Valve Kit
Useful Information
Technical Specification
- Material: Glass-reinforced polyamide (non-metallic)
- Connection Type: Threaded with push-fit adaptors
- Pressure Rating: 16 bar
- WRAS Approved: Yes
- Kit Contents:
- 1 x Mains stop valve
- 2 x Push-fit male adaptors
- 1 x PTFE tape roll
- Application: Mains water isolation for 50mm and 63mm pipe systems
- Installation: Suitable for both above and below ground use
- Operation: Quarter-turn full bore ball valve
Description
This complete mains stop valve kit provides everything needed for reliable isolation in water mains installations. It includes a WRAS-approved, non-metallic stop valve made from glass-reinforced polyamide, offering a lead-free solution with excellent durability. Featuring a quarter-turn ball valve for full bore operation and minimal head loss, the valve is rated to 16 bar and suitable for both above and below ground use. The kit also includes two push-fit male adaptors and a roll of PTFE tape, streamlining installation on 50mm and 63mm mains water pipes.
Key Features & Benefits
- Complete Kit: Includes stop valve, 2 push-fit male adaptors, and PTFE tape for a ready-to-install solution.
- Non-Metallic Construction: Lead-free, corrosion-resistant polyamide for long service life.
- WRAS Approved: Certified for potable water systems on 50mm and 63mm pipe sizes.
- Full Bore Flow: Quarter-turn valve design ensures high flow efficiency with minimal head loss.
- High Pressure Rated: Suitable for systems up to 16 bar.
- Versatile Installation: Approved for use above and below ground.
- Optional Upgrade: Variant with drain ports available for maintenance access.

| 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 | 918 |

| Size | E (mm) | H (mm) | I (mm) | I2 (mm) |
| 20mm x 3/4" | 41 | 71 | 45 | 18 |
| 25mm x 3/4" | 46 | 76 | 48 | 18 |
| 32mm x 1" | 58 | 84 | 55 | 19 |
| 40mm x 1 1/4" | 70 | 106 | 73 | 20 |
| 50mm x 1 1/2" | 85 | 114 | 81 | 21 |
| 63mm x 2" | 103 | 129 | 92 | 25 |
