John Guest Stem Elbow

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Useful Information

Key Features

  • Product type: Push-fit stem elbow, 90° swivel connection
  • Manufacturer: John Guest
  • Body material: Acetal copolymer
  • Seal material: Nitrile O-ring
  • Maximum working pressure: Up to 10 bar
  • Temperature range: -20°C to +70°C
  • Connection method: Push-fit to push-fit, fully demountable
  • Compatible pipe materials: Nylon and powder-coated aluminium
  • Application media: Compressed air, inert gases, vacuum and potable liquids
  • Country of manufacture: United Kingdom

Description

This stem elbow is designed to connect two John Guest push-fit fittings, creating a 90° swivel-type connection within compressed air and pneumatic systems. It is particularly useful where pipework direction needs to change while maintaining flexibility and ease of installation.

The push-fit connections allow for rapid assembly without tools, heat or sealing compounds. A precision-engineered collet locking system ensures each connection is held securely without deforming the pipe or restricting flow, while the integrated nitrile O-ring provides a dependable, airtight seal.

Fully demountable for ease of maintenance, the fitting allows systems to be modified or extended with minimal downtime. Manufactured from tough engineered plastic, it is compatible with John Guest nylon and powder-coated aluminium air pipe, as well as a wide range of plastic and soft metal pipe materials.

Key Features & Benefits

  • 90° swivel connection: Creates a right-angle change between two push-fit fittings
  • Instant push-fit installation: No tools, hot works or sealing agents required
  • Demountable design: Enables easy maintenance and system modifications
  • Secure collet locking system: Holds connections firmly without damage or flow restriction
  • Airtight sealing: Nitrile O-ring ensures reliable, leak-free performance
  • Wide compatibility: Suitable for plastic and soft metal pipe materials
  • Multi-application use: Ideal for compressed air, inert gases, vacuum and potable liquids
  • Made in the UK: Manufactured and assembled to consistently high quality standards

Technical Drawing

SKU John Guest Code A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) G (mm) H (mm) I (mm)
382515 PM221515E 15 +0.05/-0.10 49.7 42.2 28.7 26.8 15 10.4 33.4 58
382516 PM221818E 18 +0.05/-0.10 51 41 31 31.3 18 13.3 35 62.2
382517 PM222222E 22 +0.05/-0.10 56.6 45.6 34.3 35.5 22 15.7 36 67.5

How to Install a John Guest Stem Elbow

Simplified Installation Process:

  1. Preparation: Ensure that the tubing or pipe is cut squarely and free from scratches or damage.
  2. Insertion: Push the tubing into the elbow until it reaches the tube stop. The unique collet locking system ensures a secure connection.
  3. Connection Confirmation: A gentle tug on the tube will confirm a secure and airtight connection.
  4. Disconnection: To remove, push the collet square against the face of the fitting and pull the tube to release.
  5. Versatility in Application: Designed for various environments, including air and pneumatics systems, vacuum lines, and potable liquid systems.

Advantages of the Installation Process:

  • No Tools Required: The push-fit technology eliminates the need for tools, making installation quick and hassle-free.
  • Time-Efficient: The installation process is significantly faster compared to traditional methods, enhancing productivity.
  • Safety: The installation process requires no hot works, reducing risk and ensuring a safer working environment.

Downloads

John Guest Stem Elbow 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
Code Product Name List Price You Save You Pay Quantity
382515 JG RMS Stem Elbow 15mm £3.94 30%
You Pay:  £2.76
382516 JG RMS Stem Elbow 18mm £4.91 30%
You Pay:  £3.44
382517 JG RMS Stem Elbow 22mm £5.90 30%
You Pay:  £4.13