KAN-therm welding fittings 40 mm 04212340

KAN-therm welding fittings 40 mm 04212340 are metal butt fusion fittings designed to connect 40 mm polyethylene (PE) pipes in plumbing and heating systems. Engineered for professional installation, these fittings create a continuous, mechanically robust joint intended for water supply, central heating and underfloor heating circuits. The design supports standard fusion welding processes to produce leak-resistant connections compatible with system pressures typical for building services.

Advantages

The fittings provide a secure, long-lasting connection through butt fusion welding, minimising the risk of leaks and mechanical failure. Made from metal suitable for reliable thermal and structural performance during fusion, the component offers consistent geometry to ensure proper alignment and ease of assembly with appropriate fusion equipment. Their construction is intended to withstand the thermal cycles and pressures common in plumbing and heating applications.

Suitable for

• Joining 40 mm PE pipes in potable water distribution systems
• Connections within central heating installations
• Underfloor heating manifolds and branch connections
• Professional plumbing and HVAC fusion welding applications

Key specifications

• Material: metal fitting designed for butt fusion with polyethylene pipes
• Nominal pipe diameter: 40 mm
• Connection method: butt fusion (fusion welding) compatible
• Intended use: water supply, central heating, underfloor heating systems
• Installation level: professional installation recommended

How to use

Prepare the PE pipe ends by cutting square and cleaning them according to fusion equipment manufacturer instructions. Align the pipe ends and the fitting in the fusion tool or heater plate designed for butt fusion of 40 mm components. Perform the heating, facing and welding phases following standard butt fusion procedures and the fusion equipment guidance to obtain a homogenous joint. Allow the weld to cool to the specified time before applying pressure or mechanical load. Inspect the finished joint visually and by pressure testing as required by project specifications and local regulations.

Usage recommendations

Use certified butt fusion equipment sized for 40 mm pipes and follow the equipment and material manufacturer instructions. Ensure that installation is performed by trained personnel familiar with fusion welding techniques and local codes. Perform pressure testing after installation and before commissioning the system.