This John Guest push-fit polypropylene Speedfit to Speedfit shut off valve is designed to isolate ...This John Guest push-fit polypropylene Speedfit to Speedfit shut off valve is designed to isolate the supply to a fixture or appliance. It offers a fast and simple installation process, creating an instant push-fit connection and a leak-tight seal without the need for tools, hot works, or sealing agents. The valve features a unique collet locking design that securely holds the pipe in place without deforming it or restricting flow. Manufactured from durable polypropylene with an EPDM O-ring, it provides high chemical resistance and is suitable for potable water (10 bar at 20°C) and intermittent hot water (4 bar at 60°C), as well as water treatment and purification applications. The valve is corrosion-resistant, fully demountable, and offers superior flow characteristics. It is compatible with LLDPE or soft metal pipe/tubing. Note: Not suitable for compressed air, vacuum, explosive gases, petroleum spirit, or other fuel or heating systems.
This guide is for anyone using the John Guest 12mm Push Fit Shut Off Valve. This valve offers a quick and easy way to shut off water supply without tools, saving you time and effort. However, it's crucial to remember that this valve is not suitable for compressed air, explosive gases, or fuel systems.
All features
Brand
JG Speedfit
Extended Product Information
FAQs
What is the maximum pressure this valve can handle?
The valve is suitable for potable water at 10 bar at 20°C.
Can I use this valve with hot water?
Yes, it is suitable for intermittent hot water up to 4 bar at 60°C.
What kind of tubing is compatible with this valve?
It is compatible with LLDPE or soft metal pipe/tubing.
Is any tool required for the installation?
No tools are required. It is a push-fit connection.
Can I reuse this valve?
Yes, it is fully demountable, allowing for reuse.
Where can I purchase a replacement O-ring?
Contact JG Speedfit for replacement parts.
What should I do if the valve leaks?
Check the tubing connection, ensure the tubing is cut squarely, and inspect the valve and O-ring for damage.
Troubleshooting
Valve leaks after installation.
Ensure the tubing is fully inserted into the valve. Check for any damage to the tubing or the valve itself. Ensure the cut on the tubing is square. If the problem persists, disconnect the valve, re-cut the tubing, and reinstall.
Valve is difficult to operate.
Ensure the valve is free from debris. If the valve is still difficult to operate, replace the valve.
Valve fails to create a seal.
Check the condition of the O-ring inside the valve. If damaged, replace the O-ring or the entire valve. Also, ensure the tubing is compatible and properly inserted.
Pros and Cons
Pros
Fast and easy installation, saving time and effort.
Creates a leak-tight seal immediately.
Durable construction with high chemical resistance.
Suitable for potable water and intermittent hot water.
Fully demountable for maintenance and reuse.
Corrosion-resistant for extended lifespan.
Cons
Not suitable for compressed air applications.
Not intended for use with explosive gases.
Cannot be used with petroleum spirit or fuel systems.
Requires compatible 12mm tubing.
O-ring may require occasional inspection and replacement.
Setup, Compatibility & Care
Setup
Preparation: Ensure you have compatible 12mm tubing.
Cutting: Cut the tubing cleanly and squarely.
Insertion: Push the tubing firmly into the valve until it reaches the internal stop. You should feel it click.
Testing: Once connected, gently pull on the tubing to ensure it is secure. Turn the water supply on and check for leaks.
Compatibility
Compatible with LLDPE or soft metal pipe/tubing.
Suitable for potable water (10 bar at 20°C) and intermittent hot water (4 bar at 60°C).
Not suitable for compressed air, vacuum, explosive gases, petroleum spirit, or other fuel or heating systems.
Care
Inspect the valve regularly for leaks.
Avoid over-tightening the valve.
Check the EPDM O-ring for wear and tear, and replace if necessary. Contact JG Speedfit for replacement parts.