Coupler (Double Socket) for 110mm Plastic Terracotta Underground Drainage(Suits 110mm drainage)Manufactured to BS EN 1401-1!Double socketed coupling for joining of 110mm plain ended drainage pipes or fittings. Features a central stop to help gauge insertion and sockets with fixed EPDM rubber seal to both ends. The central stop prevents the coupler being slid along pipe, if that is needed then the Slip Coupler is recommended. Pipe should be chamfered and lubricated with silicone spray or grease prior to fitting, to ensure the best seal. Insert pipe to central stop and pull back 10mm to provide room for ground movement.Part of our range of durable and impact resistant fittings for 110mm plastic PVC-u underground drainage pipes, the most common residential system. These lightweight, easy-fit parts are compatible with all systems manufactured to BS EN 1401 or BS EN 13476-2.The range of pipe and bend fittings are available with pre-chamfered plain or socketed ends, which feature a ring seal for easy and secure connection to different parts of the system. These fittings can be used in conjunction with new or existing inspection chambers, or soakaway crates, to complete the underground drainage system.Benefits of our Underground Drainage Durable and impact resistant Lightweight and easy-fit system Captive push-fit ring seal system Smooth inner walls for better flow Hardwearing and virtually maintenance free Suits common 4" residential drainage Tested to BS EN 1401-1 : 1998 DID YOU KNOW? Underground drainage is manufactured in a terracotta colour to differentiate them from above ground soil and waste pipes, which are typically black, grey or white.
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