Butt fusion

The Bead Diagnostic Instrument (BDI) is an on-site tool and associated mobile application for determining and recording the quality of you butt fusion welding.

Overview

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.

 

There was a 100% correlation between the BDI assessment of the bead and the tensile test result conducted on the associated butt fusion joint. If the bead is good – the joint is good.​

Key Benefits

Easy-to-use, reliable tool for testing and recording joint quality.

Proven to improve butt fusion joint quality.

Easy to execute test on larger bead sizes, where bend-back test becomes impossible. 

Tests up to 95% of the bead, providing greater reassurance of weld-quality.

Seamless integration with our JointManager website for full control over your assets.

Get in touch with us to discover more about how the BDI can help you

ControlPoint Ltd

ControlPoint House

Carrwood Road 

Chesterfield

S41 9QB

info@controlpoint.co.uk

+44 (0) 1246 262080

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© 2019 ControlPoint Ltd

ControlPoint Ltd is a Company registered in England and Wales. Registration Number 10500942 

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