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JG Speedfit Coupling
Useful Information ![](https://static.pipestock.com/media/wysiwyg/john-guest/speedfit/John_Guest_Speedfit_Straight_Coupling.jpg)
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John Guest Coupling Datasheet
What is a Speedfit Coupling Used For?
The John Guest Speedfit Equal Straight Connector is an essential component in modern plumbing. It is used for effortlessly joining two pipes of the same diameter, ensuring a secure and reliable connection. This connector is highly versatile and suitable for both hot and cold water systems and central heating installations. Its ease of use and reliability make it an ideal choice for both DIY home projects and professional plumbing applications
Key Features
- Instant Push-Fit Connection: Quickly connects pipes with a simple push.
- Effortless Demounting: Twist the lock cap for easy release without tools.
- Flame-Free Installation: Safe setup without the need for soldering, glues, or flux.
- Grip & Seal Collet: Enhanced connection with stainless steel teeth and an O-Ring seal.
- Twist & Lock Mechanism: Ensures the fitting is securely fastened.
- Material: Non-toxic, resistant to corrosion, and prevents scale build-up.
- Compatibility: Works with JG Speedfit PEX, polybutylene barrier pipes (with inserts), and copper pipes.
- Applications: Suitable for hot and cold water systems, as well as central heating.
Specifications
- Product Codes: PEM0410W, PEM0415W, PEM0422W, PEM0428W
- Available Sizes: 10mm, 15mm, 22mm, 28mm
- 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 Layflat PB and PEX Barrier Pipes
Technical Drawing
![](https://static.pipestock.com/media/wysiwyg/john-guest/speedfit/John_Guest_Speedfit_Straight_Coupling.jpg)
![](https://static.pipestock.com/media/wysiwyg/john-guest/speedfit/John_Guest_Speedfit_Straight_Coupling.jpg)
SKU | John Guest Code | A | B | C | D |
378212 | PEM0410W | 10 | 22.5 | 42.6* | 20.2 |
378213 | PKM0415W | 15 | 30 | 60.4* | 29.5 |
378214 | PKM0422W | 22 | 39 | 76.8* | 36.8 |
378215 | PEM0428W | 28 | 50.5 | 97.9* | 42.1 |
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
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