John Guest Stem Adaptor

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Useful Information

What is a Stem Adaptor used for?

The John Guest Stem Adaptor is an innovative solution designed to convert push-fit connections to MBSP (Male British Standard Pipe) thread. This versatile adaptor is essential in creating swivel type connections and integrating two John Guest fittings seamlessly. It's particularly useful in air and pneumatic systems, ensuring reliable, leak-free performance.

Key Features

  • Material: Crafted from strong acetal copolymer with a durable nitrile O-Ring, ensuring long-lasting use.
  • Connection Efficiency: Offers an instant push-fit connection, making installations swift and effortless.
  • Demountable Design: Easily removable without tools, ideal for system modifications or maintenance.
  • Collet Locking Mechanism: Ensures a secure fit, preventing accidental disconnections.
  • Versatility: Ideal for air, inert gases, vacuum applications, and even potable liquids.
  • Compatibility: Works with a variety of pipe materials, including nylon, powder-coated aluminium, LLDPE tubing, copper, and PEXa.

Specifications

  • Product Codes: PM051214E, PM051513E, PM051514E, PM052214E, PM052216E
  • Available Sizes: 12mm x 3/8", 12mm x 1/2", 15mm x 3/8", 15mm x 1/2", 18mm x 1/2", 22mm x 1/2", 22mm x 3/4"
  • Material: Acetal Copolymer with Nitrile O-Ring.
  • Pressure Rating: Designed to handle air and pneumatics piping systems up to 10 bar.
  • Temperature Range: Suitable for temperatures from -20°C to +70°C, ideal for various environmental conditions.
  • Applications: Optimal for air, inert gases, vacuum applications, and potable liquids.

How to Install a John Guest Stem Adaptor

Simplified Installation Process:

  1. Preparation: Before beginning, ensure that the tubing or pipe is cut squarely and free from scratches or damage. A clean, smooth cut is crucial for a proper seal.
  2. Insertion: Push the tubing into the adaptor until it reaches the tube stop. The unique collet locking system of the John Guest Stem Adaptor ensures a firm and secure connection.
  3. Connection Confirmation: To ensure that the tube is correctly inserted, a slight tug on the tube will confirm engagement. This step is vital to guarantee a secure and airtight connection.
  4. Disconnection (if needed): The adaptor is fully demountable. To disconnect, simply push the collet square against the face of the fitting and pull the tube to release.
  5. Versatility in Application: The John Guest Stem Adaptor is designed for use in various settings, including air and pneumatics systems, vacuum lines, and even systems involving potable liquids. It's suitable for both residential and industrial environments.

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 Air & Pneumatics Technical Guide

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
382503JG RMS Stem Adaptor BSPP 12mm x 3/8" £1.56 30%
£1.09
382504JG RMS Stem Adaptor BSPP 12mm x 1/2" £1.76 30%
£1.23
382505JG RMS Stem Adaptor BSPP 15mm x 3/8" £1.71 30%
£1.20
382506JG RMS Stem Adaptor BSPP 15mm x 1/2" £2.12 30%
£1.49
382507JG RMS Stem Adaptor BSPP 18mm x 1/2" £2.38 30%
£1.67
382508JG RMS Stem Adaptor BSPP 22mm x 1/2" £2.60 30%
£1.82
382509JG RMS Stem Adaptor BSPP 22mm x 3/4" £3.08 30%
£2.15