Radius Black Electrofusion Coupler 4.0mm Pins

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Radius Electrofusion FittingsRadius_Logo

Extensive industry knowledge in the design and manufacture of electrofusion fittings means that we are continually developing smarter solutions that help bring installation time savings and efficiencies. Radius work closely with customers to bring to market innovative and technologically advanced fittings that offer maximum joint integrity, are easy to install and are robust in operation.

Click here for Electrofusion Product Guide & Technical Data

Features & Benefits

• A range of universal fittings suitable for gas, water and wastewater applications

• Manufactured from high strength polyethylene

• Exposed wire technology for maximum heat transfer during the fusion process

• Patented Easigrip® technology for large diameter fittings for ease of handling during installation

• Simultaneous socket fusion for all fittings

• Barcode technology - for electrofusion control unit programming and fitting traceability

• Corrosion resistant

• End-load bearing jointing system

Electrofusion Fittings Maximum Operating Pressure (MOP)

Radius electrofusion fittings are tested for use with PE80 and PE100 pipes in a wide range of SDRs, with MOP in accordance with national and international specifications:

• UK gas specification GIS/PL2:4 up to 5.5 bar or 7 bar

• European gas specification BS EN 1555-3 up to 10 bar

• European water specification BS EN 12201-3 up to 16 bar

Due to the extensive offering, some fittings within the range may have a lower maximum operating pressure than quoted above. For the most up to date pressure ratings, product approval and welding
compatibility, please refer to the fitting's packaging or contact us for more information.


Our electrofusion fittings are approved to the most stringent national, international or in-house specifications. Some of the fittings have been developed for specific markets or to meet particular customer
requirements. For individual fitting approval(s), please contact us.


• BS EN 1555-3 - KM 596928
• GIS/PL2:4 - KM 538462
• DVGW GW 335-B2
• MPA Darmstadt - K 1598/12.2014
• IIP Certification of Conformity to EN 1555-3

Water and wastewater

• BS EN 12201-3 - KM 597648
• WRAS approved material
• DVGW GW 335-B2
• MPA Darmstadt - K 1597/12.2014
• IIP Certification of Conformity to EN 12201-3

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