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Sealey Coupling Equal Tee - 8mm - Pack of 5

Sealey Coupling Equal Tee - 8mm - Pack of 5

Sealey John Guest® Equal Tee Coupling 8mm - Pack of 5. John Guest® coupling equal tees. Size: Ø8mm...

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Product Information

Full details

This guide is for professionals and DIY enthusiasts working with pneumatic systems or fluid transfer lines. The Sealey John Guest® Equal Tee Coupling 8mm provides a reliable way to create a three-way junction for 8mm nylon tubing. A key benefit is its acetal copolymer construction, offering durability and corrosion resistance, though it's specifically designed for nylon tubing and may require specific tools for proper installation.

All features

Model Part NumberJGCT8
BrandSealey

Extended Product Information

FAQs

What type of tubing is compatible with this coupling?

This coupling is specifically designed for 8mm outside diameter (OD) nylon tubing.

Can I use this coupling with other types of plastic tubing?

No, it is engineered for a precise fit with 8mm nylon tubing only. Using other types of tubing may result in leaks or connection failure.

How do I disconnect the tubing from the coupling?

To disconnect, push the collet inwards towards the coupling body while pulling the tubing out. A John Guest® release tool can assist with this process.

What is the material of the coupling body?

The body is made from acetal copolymer, an engineering plastic known for its durability and suitability for pneumatic and corrosion-free applications.

Is this coupling suitable for high-pressure air lines?

It is suitable for standard pneumatic applications. For specific high-pressure requirements, always consult the manufacturer's detailed specifications for pressure ratings.

How many couplings are included in a pack?

Each pack contains five Sealey John Guest® Equal Tee Couplings.

What are the dimensions of the tubing connection?

The coupling is designed for tubing with an outside diameter (OD) of 8mm.

Troubleshooting

Coupling leaks after connection

Ensure the 8mm nylon tube end is cut square and clean, and that it has been fully inserted into the coupling until it stops. Check that the tubing is not damaged or deformed.

Tubing is difficult to insert

Verify that you are using 8mm OD nylon tubing. Ensure the tube end is not flared or damaged. Lightly chamfering the tube end can sometimes help, but avoid over-chamfering.

Coupling will not release the tube

Ensure the collet is being pushed inwards towards the body of the coupling while simultaneously pulling the tube. Use a proper John Guest® release tool if struggling, ensuring it is the correct size for the coupling.

Corrosion or degradation observed on coupling

Although designed for resistance, extreme chemical environments may affect the acetal copolymer. Verify fluid compatibility with Sealey or John Guest® specifications. Replace the coupling if significant degradation is observed.

Pros and Cons

Pros

  • Durable acetal copolymer construction for longevity.
  • Corrosion-free material is ideal for various environments.
  • Secure push-fit connection with reliable sealing.
  • Suitable for pneumatic and general fluid transfer applications.
  • Cost-effective when purchased in a pack of 5.

Cons

  • Limited to 8mm nylon tubing only.
  • Requires a clean and straight tube end for a proper seal.
  • May require a specific release tool for disconnection.
  • Not suitable for high-pressure applications without further system consideration.
  • Specific installation technique needed to ensure a leak-free joint.

Setup, Compatibility & Care

Setup:

  1. Ensure the end of the 8mm nylon tubing is cut cleanly and squarely. A pipe cutter designed for plastic tubing is recommended.
  2. Remove any burrs or imperfections from the cut end of the tube.
  3. Push the tubing firmly and squarely into the appropriate port of the coupling until it reaches the internal stop. You should feel a positive engagement.
  4. To disconnect, use a John Guest® release tool or push the collet inwards while pulling the tube out.

Compatibility:

  • Tubing: Exclusively designed for use with 8mm outside diameter (OD) nylon tubing.
  • Fluids: Suitable for pneumatic applications and a wide range of fluids. Always verify compatibility for specific chemical or high-purity applications.
  • Pressure: Rated for standard pneumatic pressures. Consult Sealey or John Guest® specifications for exact pressure ratings.

Care:

  • Keep the coupling and tubing ends clean during installation to prevent contamination.
  • Avoid overtightening or applying excessive force during connection, as this can damage the tubing or the coupling.
  • Inspect periodically for signs of wear or damage, especially if used in demanding environments. Replace if any damage is observed.

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