Mains Stop Valve with Drain Ports Kit
Useful Information
Technical Specification
- Material: Glass-reinforced polyamide (non-metallic)
- Connection Type: Threaded with push-fit adaptors
- Drain Ports: 2 integrated
- Pressure Rating: 16 bar
- WRAS Approved: Yes
- Kit Contents:
- 1 x Mains stop valve with drain ports
- 2 x Push-fit male adaptors
- 1 x PTFE tape roll
- Application: Mains water control for 50mm and 63mm pipe systems
- Installation: Suitable for above and below ground use
- Operation: Quarter-turn full bore valve with manual shut-off
Description
This mains stop valve kit with drain ports is a complete installation solution for 50mm and 63mm water mains. The kit includes a WRAS-approved, non-metallic stop valve with integrated drain ports, offering a lead-free and corrosion-resistant option for water isolation and system maintenance. Made from durable glass-reinforced polyamide, the valve features a quarter-turn ball mechanism for full bore flow and minimal head loss. Designed for use both above and below ground, the kit also includes two push-fit male adaptors and PTFE tape for easy assembly.
Key Features & Benefits
- Complete Kit: Includes drain-port-equipped stop valve, 2 push-fit male adaptors, and PTFE tape.
- Integrated Drain Ports: Allow convenient system emptying and maintenance access.
- WRAS Approved: Certified for potable water use with 50mm and 63mm mains pipe.
- Non-Metallic Build: Glass-reinforced polyamide provides a lead-free, corrosion-resistant solution.
- Full Bore Operation: Quarter-turn ball valve ensures high flow efficiency and minimal pressure loss.
- High Pressure Rating: Suitable for systems operating up to 16 bar.
- Flexible Use: Designed for both above and below ground installations.

| 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 |
