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Flange Weld Testers


Designed to pressure test various types of flange weld connections, including weld-neck, slip-on, and lap-joint, eliminating the need for a full system test.


The body of the tool is made from high grade carbon steel and the seal is made from special polyurethane which has a low hysterisis. All units are hydro tested prior to shipment and supplied with full operating instructions and pre mob check sheets.

Utilisation and Operation

When the tool is set the seal is expanded radially against the pipe bore mechanically (up to 4″) or hydraulically (6″ and above) to seal off the area to be tested. The annulus created is then filled and vented with the test medium and pressurised upto the required test pressure which can be up to ANSI 1500 depending on flange rating. The tools can be set in both horizontal and vertical piping or inclined if required. Testing is achieved in a fraction of the time (and cost) of a full system test, whilst also reducing the provision and disposal costs associated with large volumes of test medium. Most tools can easily be installed and operated by one man.

Size, Pressure Ratings and Configurations

The tools are available for rental, both short term and long term from ½” thru to 48″ up to ANSI 1500. For sizes and pressures above 24″ and ANSI 1500 please contact us to discuss. Special tools can be shortened or lengthened to suit your specific requirements.

Track Record

Woodside, Conoco Philips, Shell, BP, Santos.

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