JG Speedfit Coupling

Useful Information

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

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

  1. Preparation: Ensure the pipe ends are clean and cut squarely.
  2. Insertion: Push the pipe fully into the fitting until it reaches the tube stop.
  3. Locking: Twist the cap clockwise to lock the pipe in place.
  4. Demounting: To release, unlock the cap and push the collet towards the body, then pull the pipe out.

Downloads

John Guest Coupling Datasheet

If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.

 

Grouped product items
CodeProduct NameList PriceYou SaveYou Pay Quantity
378212JG Speedfit Coupling 10mm £5.98 44%
£3.35
378213JG Speedfit Coupling 15mm £2.92 45%
£1.62
378214JG Speedfit Coupling 22mm £4.61 44%
£2.57
378215JG Speedfit Coupling 28mm £11.60 44%
£6.46