Bead Diagnostic Instrument

An on-site for determining and recording the quality of butt fusion welding

DETERMINING AND RECORDING THE QUALITY OF BUTT FUSION WELDING

BUTT FUSION (BDI)

The Bead Diagnostic Instrument (BDI) has been developed alongside the launch of new generation of bead removal tools to provide the installer with the ability to both easily remove butt fusion joint beads and subsequently test them in a repeatable and consistent manner. BDI is the first tool to provide a reliable and simple non-destructive test (NDT) for PE butt fusion joints.

Unlike the industry recognised bend back test, which is difficult to execute on larger sizes and can only test the bead at intervals along its length, the BDI tests up to 95% of the bead. This delivers a controlled and recorded test which can be replicated easily and consistently on site.

In the development of the BDI, over 450 butt fusion joints were assessed and over 4,000 individual tensile tests were conducted in accordance with WIS 4-32-08. The tests were on pipe ranging from 110mm to 1,000mm, using a range of contaminants including particulate/talc, hydrocarbon/grease and platelet/clay.

Watch this short video explaining how to use the BDI and the associated APP.

An easy to use reliable tool

Specifically developed for testing and recording joint quality and proven to improve your butt fusion jointing processes.

Accurate and comprehensive testing

An easy to execute test for larger bead sizes, where a bend-back test becomes impossible. Tests up to 95% of the bead, providing greater assurance of weld-quality.

Seamless Integration

Seamless integration with our JointManager website for full control over the assets in your network. It is also possible to link weld data with your bead test rescord.

 

Features & Benefits At A Glance

First tool to provide a reliable and simple non-destructive test (NDT) for PE butt fusion joints

100% correlation between the BDI assessment of the bead and the tensile test results conducted on the associated butt fusion joint

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