Drainage Slip Coupling Double Socket - 110mm

Slip couplings have no central stops, enabling them to be slid along the length of a drainage pipe...

Best current price£2.76from Professional Building Supplies

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Professional Building SuppliesPbsl Group Drainage Slip Coupling Double Socket - 110Mm
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B&QB&Q - 110mm Pvc-U Double Socket Slip CouplingPack Of 32
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Product Information

Full details

The PBSL Group 110mm Drainage Slip Coupling is designed for professional plumbers and DIY enthusiasts working on PVC drainage pipe repairs. Its standout feature is the absence of a central stop, which allows the fitting to slide freely along the pipe for precise positioning in tight spaces, though users must note that it requires an external lubricant for optimal installation performance.

All features

Model Part NumberUSC110D
BrandPBSL Group

Extended Product Information

FAQs

Does this coupling have an internal stop?

No, this is a slip coupling specifically designed without a central stop to allow it to slide freely along the pipe.

What pipe size is this compatible with?

It is designed specifically for 110mm diameter standard PVC drainage pipes.

Is lubricant required for installation?

Yes, we highly recommend using a silicon lubricant to ensure a smooth, watertight connection and to prevent seal damage.

Can I use this for pressurized water pipes?

No, this fitting is intended for drainage applications only and is not rated for pressurized plumbing systems.

How do I ensure the pipe is centered?

Since there is no central stop, measure the length of the coupling and mark the center point on your pipes to ensure the fitting is positioned equally across the gap.

Troubleshooting

Coupling is difficult to slide onto the pipe

Apply more silicon-based lubricant to the pipe surface and check that there are no burrs on the cut end of the pipe.

Joint leaks after installation

Ensure the pipe ends are fully inserted past the internal seals and check that the pipe is not ovalized or damaged at the connection point.

Pros and Cons

Pros

  • Eliminates the need for significant pipe displacement during repairs
  • Excellent for tight, confined installation environments
  • Simplifies the replacement of damaged pipe segments
  • Robust PVC construction ensures reliable performance in drainage systems

Cons

  • Requires manual application of silicon lubricant for easier movement
  • Lacks internal stops, meaning exact alignment depends on user measurement
  • Designed only for 110mm pipes, limiting use in other plumbing diameters

Setup, Compatibility & Care

To install, start by ensuring the 110mm PVC drainage pipe is cut square and all rough edges are removed with a file. Before sliding the coupling, apply a generous amount of silicon lubricant to both the interior of the socket seals and the exterior of the pipe ends. Push the coupling into place, ensuring it is centered across the joint. For ongoing maintenance, avoid using harsh chemicals that might degrade the PVC over time, and periodically check the joint for signs of seepage if the pipe is located in an area subject to heavy vibration or ground movement.

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