Brett Martin 135º 110mm Single Socket Bend

Key Features Summary

• Smooth 45° Directional Change: Designed with a 135° angle (commonly referred to as a 45° offset bend) for creating gradual turns in soil stacks and rainwater systems.

• Quick Push-Fit Installation: Features a single socketed ring-seal end that creates an instant, airtight, and watertight joint without the need for solvent welding.

• Durable uPVC Construction: Lightweight, robust, and impact-resistant material engineered to withstand domestic and commercial usage demands.

• UV & Weather Resistant: High-grade formulation prevents degradation, fading, or cracking caused by exposure to direct sunlight and extreme UK weather.

• Full British Standards Compliance: Fully certified to BS EN 1329-1 for soil and waste systems and compatible with standard 110mm systems.

   

Frequently Asked Questions (FAQ)

What is the difference between a 135° bend and a 45° bend?

In plastic pipework terminology, a 135° bend and a 45° bend refer to the exact same fitting. The angle is measured internally (135°) or by the degree of deviation from a straight line (45°).

Do I need to use lubricant when fitting this socket bend?

Yes, using a silicone pipe lubricant on the spigot end of the pipe and rubber ring seal makes insertion smoother and prevents the seal from dislodging or twisting during assembly.

Can this fitting be used for underground drainage?

No, the BS422 is designed for above-ground soil, waste, and rainwater systems. For underground drainage (typically terracotta orange pipework), you should use BS EN 1401 certified underground drainage fittings.

The Brett Martin 110mm 135° Single Socket Bend (BS422) provides an efficient, reliable solution for altering the direction of 110mm soil pipe stacks and heavy-duty industrial rainwater downpipe systems.Offering a precise 135° angle (or 45° change of direction), this fitting ensures smooth, unobstructed flow and reduces the risk of blockages in both domestic and commercial installations.

Manufactured from high-grade, lightweight uPVC, the BS422 features a push-fit socket with a pre-fitted rubber seal on one end and a spigot (plain end) on the other.This single-socket layout allows you to connect directly into a length of 110mm pipe while accepting another section into its socket, creating a leak-proof connection in seconds.

Designed by industry experts Brett Martin, this soil and rainwater fitting is fully compliant with BS EN 1329-1 standards. Its UV-stabilized exterior ensures long-lasting structural integrity and a clean visual finish, whether installed indoors or as part of an external soil vent stack.

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