JG Speedfit Stem Reducer
What is a Speedfit Stem Reducer Used For?
The John Guest Speedfit Stem Reducer, also known as a straight reducer, is used to connect two sections of pipe with different diameters. It is an ideal solution for plumbing systems requiring transitions between different pipe sizes. This reducer is suitable for both hot and cold water systems and central heating systems. Its easy-to-use design allows for quick installation without the need for tools, making it a convenient choice in various plumbing applications, including retrofitting and system extensions. The connector's grip and seal connection ensure a secure, leak-proof joint, catering to the demands of both residential and commercial plumbing projects​​.
Key Features
- Instant Push-Fit Connection: Allows for quick and easy pipe connections without the need for tools.
- Simple Demounting: Equipped with a user-friendly twist-lock cap for effortless disassembly.
- Flame-Free Installation: No need for soldering or adhesives, ensuring a safe installation process.
- Grip & Seal Technology: Features a collet with stainless steel teeth and a main O-Ring seal for a secure fit.
- Twist & Lock Security: Additional security and compression are provided by the cap.
- Material Quality: Made from non-toxic materials that resist corrosion and prevent scale buildup.
- Compatibility: Works with Speedfit PEX, polybutylene (with inserts), and copper pipes.
- Versatile Applications: Suitable for hot and cold water systems, as well as central heating.
Specifications
- Product Codes: PEM061510W, PEM062215W, PEM062815W, PEM062822W
- Available Sizes: 15mm x 10mm to 28mm x 22mm
- Maximum Operating Pressure: 12 Bar at 20°C and 6 Bar at 65°C
- Temperature Range: 5°C to 95°C (short-term malfunction at 114°C)
- Materials: Body - X-Linked Polyethylene, O-Ring - EPDM, Collet - Nylon, Teeth - Stainless Steel 301
- Compatible Pipes: PEX, PB, and Copper
- Demountable: Yes
- Approvals: BSI and WRAS approved
- Guarantee: 50 years when used with JG Speedfit PEX & PB Barrier Pipes
Working Temperatures & Pressures
| Application | Usual Working Temperature °C | Max Working Temperature °C | Max Working Pressure (bar) |
| Cold Water (indirect & direct mains) |
20 | 20 | 12.5 |
| Central Heating | 82 | 105, short term malfunction at 114 | 3 |
| Hot Water (including unvented cylinders) |
65 | 95 | 6 |
Installation Instructions
- Preparation: Ensure the pipe ends are clean and cut squarely.
- Insertion: Push the pipe fully into the fitting until it reaches the tube stop.
- Locking: Twist the cap clockwise to lock the pipe in place.
- Demounting: To release, unlock the cap and push the collet towards the body, then pull the pipe out.
Downloads
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.
