--- title: Swabs & Locators --- Celebrating 30 Years of Pipeline Excellence #### Pressure Testing Equipment # Swabs & Locators ![gauge-black](https://ahs-pi.co.uk/hubfs/Icons/gauge-black.svg) #### Overview ### Our swabbing equipment is essential for removing residual air from pipelines prior to testing. AHS swabs are highly flexible and can traverse bends, 90-degree tees, and some mitre bends. They can also pass through reduced pipelines up to a 50% reduction in diameter. Our swab locators have been designed to track the passage of foam swabs through the pipeline by means of an audible signal. A transmitter is inserted into the swab and a handheld receiver is then used to pick up the signal. A digital counter shows the number of times the transmitter has been detected. Both the receiver and antenna are housed in an aluminium case and come with a built-in speaker or optional jack socket for the headset. 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Unlock the key to conducting the perfect pressure test by downloading our comprehensive handbook. Gain in-depth knowledge, practical insights, and industry best practices to ensure your test meets the highest standards. [ Download ](https://ahs-pi.co.uk/download-pressure-testing-handbook/?hsLang=en-gb) ![Handbook-Front-Cover-low-res](https://ahs-pi.co.uk/hs-fs/hubfs/Brochures/Handbook-Front-Cover-low-res.jpg?width=846&height=1200&name=Handbook-Front-Cover-low-res.jpg) Industry Expertise Our expert team are always on hand to make sure you get the right equipment and on-site support. [Get in touch](https://ahs-pi.co.uk/contact-us?hsLang=en-gb) today and see how we can help