Brett Martin 90° Socket Twinwall Bend

The 90° bend lets you change direction in drainage pipe runs, commonly used in surface water or stormwater drainage systems for domestic, agricultural, or civil-engineering drainage. Because it’s compatible with other BBA-certified twinwall pipes/fittings, it integrates into broader drainage networks (e.g. land drains, soakaways, soakaway-crate systems, French drains, etc.)

Sies and standards

• The twinwall fittings from this range cover nominal pipe diameters from 150 mm up to 300 mm (and larger for bigger systems) depending on application.

• The 90° double socket bends (like TB90) are listed among the standard fittings in the manufacturer’s product guide.

• Seals for twinwall fittings conform to recognised standards (e.g., rubber ring seals to BS EN 681‑1).

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