The B5001 is a product code for a 110mm Double Socket Slip Coupler used in underground drainage systems, manufactured by Brett Martin.

🔧 What It Does

• Connects two plain-ended 110mm pipes securely
• Features a double socket design with a central stop for easy alignment
• Includes a combined lip and compression seal to ensure a watertight joint
• Made from durable PVCu, suitable for foul water and sewage applications

📐 Specifications

• Diameter: 110mm
• Length: Approx. 135mm
• Material: PVCu (unplasticised polyvinyl chloride)
• Standard: Kitemarked to BS EN 1401-1

This coupler is ideal for creating strong, leak-proof connections in underground drainage networks. If you're planning a system or need help matching fittings, we can help you build out a full parts list.