MDPE Compression Connector Fittings 25Mm LDPE Water Pipe Elbow Valve Straight - Elbow 25Mm - 3/4" Bspf

MDPE or medium density polyethylene is a reliable and highly versatile material that has proven it...

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OnBuy.com(25Mm - 25Mm, Tee 3 Way) Mdpe Compression Connector Fittings 25Mm Ldpe Water Pipe Elbow Valve Straight 5056697218001
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Product Information

Full details

This guide is for plumbers and DIY enthusiasts working on domestic and commercial plumbing projects. The MDPE Compression Connector Fittings offer a reliable and versatile solution for connecting water mains and supply pipes, providing a stable platform for hot or cold water systems. A key caveat to remember is that these fittings are hand-tight only; overtightening can damage the seal.

All features

Model Part Number1561MD
BrandB2C

Extended Product Information

FAQs

What does 'hand tight only' mean for these fittings?

It means you should tighten the compression nut using only your hands until it feels snug and secure. Using wrenches or pliers can overtighten the fitting, potentially damaging the O-ring seal or the pipe, leading to leaks.

Can I use these fittings with older lead or copper pipes?

No, these fittings are specifically designed for MDPE or LDPE pipes. They are not compatible with lead or copper piping systems without the use of appropriate transition fittings.

What is the maximum pressure these fittings can handle?

These fittings are rated to withstand up to 16 bar of pressure, making them suitable for most standard domestic and commercial water supply applications.

Are these fittings suitable for underground use?

Yes, MDPE is a durable material commonly used for underground water mains. Ensure the connection is made correctly and buried appropriately according to local regulations.

What does WRAS approved mean?

WRAS approval signifies that the product has been tested and meets the Water Regulations Advisory Scheme standards for water quality and safety in the UK. It ensures the fitting will not contaminate the water supply.

How do I ensure a good seal with the captive O-ring?

Ensure the pipe is pushed in fully and the nut is hand-tightened securely. The O-ring is designed to create a seal against the pipe surface and the fitting body when compressed.

Can these fittings be used for both hot and cold water?

Yes, MDPE is a versatile material suitable for both hot and cold domestic water installations.

Troubleshooting

Leak at the connection point

Ensure the pipe is fully inserted and the nut is hand-tightened firmly. Check the O-ring seal for damage or debris. Ensure the pipe end is cut squarely.

Difficulty inserting pipe

Ensure you are using the correct size fitting for your 25mm pipe. Slightly chamfering the pipe end can help. Verify the pipe is not deformed.

Fitting does not seal properly

Re-check that the fitting is suitable for the pipe type and size. Ensure the captive O-ring is correctly seated and undamaged. Hand-tighten firmly without over-tightening.

Pros and Cons

Pros

  • Durable and reliable MDPE material
  • Suitable for both hot and cold water systems
  • High pressure resistance (up to 16 bar)
  • WRAS approved for safety and compliance
  • Simple hand-tight installation process
  • Long-lasting performance with lifetime protection

Cons

  • Requires careful hand-tightening to avoid damage
  • Specific 25mm size may limit immediate compatibility with other pipe diameters
  • Primarily designed for MDPE/LDPE pipes, not universal across all pipe types
  • Overtightening can compromise the captive O-ring seal
  • Not suitable for extremely high temperatures beyond standard hot water systems

Setup, Compatibility & Care

Setup:

  1. Ensure the end of the MDPE pipe is cut squarely and is free from burrs or damage.
  2. Gently insert the pipe fully into the compression fitting until it is seated correctly.
  3. Hand-tighten the compression nut firmly. Do not use tools to tighten, as this can damage the O-ring seal and the pipe.

Compatibility:

  • Designed specifically for use with 25mm MDPE (Medium Density Polyethylene) or LDPE (Low Density Polyethylene) water pipes.
  • Features a 3/4" BSP (British Standard Pipe) male thread for connection to other fittings or valves.

Care:

  • These fittings require no regular maintenance.
  • Periodically inspect connections for any signs of visible damage or leaks, though the durable MDPE material is resistant to degradation.

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