Description
Overview:
The Release Valve 1/4 BSP (1/4 in, 6.35 mm) for Villiers Machinery is a genuine Villiers component designed to manage and safely vent pressure in vintage plant and garden machinery. Built from durable metal and supplied as unused old stock, it supports reliable operation on classic equipment powered by Villiers and JAP engines, including JAP 3 and JAP 4. The valve helps maintain stable system pressure by providing a controlled discharge path when required, protecting components from undue stress and aiding smooth running. Marked with Manufacturer Part Number SA3647, it offers the correct fit and function for compatible machines. This is a practical replacement for a worn or sticking valve, helping restore original performance on restorations and in everyday service.
Key Features:
- Genuine Villiers part for assured compatibility and quality
- MPN: SA3647 for accurate identification and replacement
- 1/4 BSP thread (1/4 in, 6.35 mm nominal) for straightforward installation on standard ports
- Durable metal construction suited to workshop and site conditions
- Aids controlled pressure release to protect components and improve reliability
- Suitable for JAP-series engines used across many industrial and horticultural machines
- Unused vintage stock; may show light tarnish or storage marks without affecting performance
- Sold individually for direct replacement of a single failed or missing valve
Typical Applications:
Used on vintage Villiers-powered equipment where controlled pressure venting is required, such as stationary engines, compactors, mixers, generators, pumps, and mowers. Ideal for maintenance, overhauls, or restorations of JAP engines to keep systems stable during start-up, running, and shutdown. Helps return older machinery to safe and consistent operation.
Also known as:
Relief valve, vent valve, blow-off valve, pressure vent, bleed screw, drain valve, decompression valve, pressure bleed, exhaust bleed, release fitting.
Fits Models:
JAP 3, JAP 4, JAP 5, JAP 6
Alternate Part Numbers:
SA3647
Product Specifications
| L&S Part No. | SA3647 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | SA3647 |
| Unit of Sale | 1 |
| Machine Type | General Home Appliance |
| Fits Brands | JAP |
| Key Features | - Genuine Villiers part ensures compatibility with vintage machinery - 1/4 BSP thread for easy installation on standard ports - Durable metal construction for workshop and site conditions - Suitable for JAP 3, JAP 4, JAP 5, JAP 6 engines - Aids controlled pressure release to protect components |
| Fits Models | JAP 4, 3 | JAP 5 | JAP 6 |

