The Polypipe MU311
is a 50mm to 40mm solvent weld reducer, a plumbing fitting used to connect pipes of different sizes within a solvent waste system.
Key Features and Specifications
- Product Type: Solvent weld waste reducer.
- Function: Connects a larger 50mm diameter pipe to a smaller 40mm diameter pipe.
- Material: Made from MuPVC (Modified Unplasticised Polyvinyl Chloride) or ABS, materials known for enhanced impact resistance, flexibility, and the ability to withstand higher temperatures and a broader range of chemicals than standard PVC systems.
- Connection Type: Requires solvent cement for jointing, creating a permanent, leak-free connection. It is not compatible with push-fit systems.
- Application: Ideal for use in domestic and commercial soil, waste, and vent systems.
- Color Options: Available in White (MU311W), Black (MU311B), and Solvent Grey (MU311SG) to match different systems and preferences.
- Standards: Fittings are manufactured to meet British Standards, such as BS EN 1566-1 or BS EN 1455-1.

























