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FloPlast Underground Drainage Coupler - 110mm - Grey

FloPlast Underground Drainage Coupler - 110mm - Grey

This grey PVCu coupling from FloPlast is ideal for carrying waste safely and cleanly away from you...

Best current price£3.10from eBay

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Product Information

Full details

This FloPlast 110mm grey PVCu underground drainage coupler is designed for homeowners and DIY enthusiasts needing to safely and efficiently connect drainage pipes. Its primary benefit is the dual connection type, offering versatility for different pipe joining methods. A potential caveat is the requirement for specific joining techniques (ring seal and solvent weld) which need to be understood for proper installation. Key features include durable PVCu construction, a ring seal push-fit socket, and a solvent weld socket.

All features

Model Part Number275210
BrandFloPlast

Extended Product Information

FAQs

What is the main difference between the two ends of this coupler?

One end has a 'ring seal push-fit socket' for easy, non-permanent connection to a plain ended pipe with a rubber ring. The other end has a 'solvent weld socket' which requires primer and cement for a permanent, bonded connection to another plain ended pipe.

Do I need to use primer and cement for both ends?

No. Primer and cement are only required for the solvent weld socket. The ring seal socket is a push-fit connection and does not require adhesives.

Can I use this coupler for above-ground drainage?

This coupler is specifically designed for underground drainage systems. While it may function above ground, its appearance and specific application are intended for buried use.

What size pipes does this coupler connect to?

This coupler is designed for 110mm diameter pipes.

What is the best way to ensure a leak-proof solvent weld connection?

Ensure both surfaces are clean and dry, use the correct primer and solvent weld cement, apply them evenly, insert the pipe fully with a slight twist, and hold firmly for at least 30 seconds. Allow the joint to cure fully as per the cement manufacturer's instructions before putting it into service.

What happens if I don't hold the solvent weld joint for 30 seconds?

If the joint is not held, the pipe may push out of the socket slightly as the solvent cement begins to set, potentially creating a weak point or a leak in the joint.

Troubleshooting

Push-fit joint leaks

Ensure the pipe was fully inserted into the socket and the seal is correctly seated. Check the seal for damage. Re-lubricate the pipe and re-insert firmly.

Solvent weld joint fails or leaks

Verify that PVCu primer and solvent weld cement were used correctly and applied generously. Ensure the pipe was held in place during the initial set period. Allow full curing time before use. Ensure pipes were correctly cut and de-burred.

Difficulty inserting pipe into socket

Ensure the pipe end and socket are clean and free from obstructions. Apply a small amount of water-based lubricant (not petroleum-based) to the pipe end for push-fit connections. For solvent weld, ensure the pipe end is properly chamfered.

Pros and Cons

Pros

  • Offers flexible connection options with both push-fit and solvent weld sockets.
  • Constructed from durable PVCu for long-lasting performance.
  • Standard 110mm size ensures compatibility with many existing drainage systems.
  • Helps maintain a clean and safe waste disposal system.

Cons

  • Requires two different joining methods (push-fit and solvent weld), demanding specific installation knowledge.
  • Solvent weld connection requires additional primer and cement, not included.
  • Primarily designed for underground use, may not be suitable for above-ground or visible applications.
  • Grey color may not match all aesthetic requirements if partially visible.

Setup, Compatibility & Care

Setup:

  1. Preparation: Ensure both the pipe ends to be joined and the coupler sockets are clean, dry, and free from debris.
  2. Push-Fit Connection: For the ring seal socket, moisten the plain ended pipe end and the rubber seal. Insert the pipe firmly into the socket until it reaches the back of the seal.
  3. Solvent Weld Connection: For the solvent weld socket, apply PVCu primer (if recommended by the solvent cement manufacturer) to the outside of the pipe end and the inside of the socket. Immediately after priming, apply a generous, even coat of PVCu solvent weld cement to both surfaces. Insert the pipe into the socket with a slight twisting motion until it bottoms out. Hold firmly for 30 seconds to prevent 'plow-out'.
  4. Curing: Allow adequate curing time for the solvent weld joint before backfilling or stressing the connection, as per the solvent cement manufacturer's instructions (typically 24 hours for full strength).

Compatibility:

  • Compatible with other 110mm PVCu underground drainage pipes and fittings that accept either a ring seal push-fit or a solvent weld connection.
  • Ensure pipes being joined are clean and suitable for the respective connection method.

Care:

  • This product is designed for underground use and requires minimal care once installed.
  • Periodically check upstream drainage for blockages. Avoid flushing harsh chemicals or abrasive materials that could damage the system.

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