This adaptor coupling is intended for joining pipes with significantly different outside diameters, providing a secure link between 170–192mm and 144–160mm pipe ends. Commonly used on drainage installations, it offers a straightforward method for connecting clay, structured plastic or ribbed pipes without requiring specialist tools or pipe modification.
On site, this coupling is suited to repairs, upgrades or alterations where pipe sizes do not match—such as connecting lateral drains to main sewers, or joining pipes to inspection chambers and manholes. Its compact design allows work in confined trenches, supporting efficient maintenance of below-ground drainage systems.
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