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Acoustic Leak Detection
Simply listening for the hissing/rumbling noise emitted by the leak through the pipe network and surrounding floor the leak can be detected down to a square foot.
Digital Leak Noise Correlation
Leak noise correlation analysis, where one sensing device is installed at each side of a leak. The two received acoustic signals are correlated and the data represents a measure of the leak position. Theoretically, this can provide very high precision for metallic.
Trace Gas Method Leak Detection
For Trace Gas Leak Detection this involves pressurising the system with an inert non-toxic gas the gas will escape through the leak and rise to the floor surface to be traced using a “sniffer probe”. Traditionally plumbers would simply explore and dig numerous hole until water is located. Lowflo’s Tracer Gas method removes all the doubt and saves customers damaging tiling & wooden floors.
Thermal imaging cameras can see buried and hidden hot pipes and leakage. Normally, they provide information about where pipe runs are, rather than where a leak might be. Leaks can show as hot spot area where water has escaped.
This method enables the testing of different sections of a water system to see which part may be leaking. The test can then be re-done after any leak is fixed, to check the system is leak free. Pressure testing is often done over a time frame of several minutes, even hours, depending on the scale of the leak.
CCTV & Borescope Survey
In this method of leak detection CCTV and endoscopic cameras are used to great effect, having their own light source allowing clarity in hidden spaces. With our specialist equipment we can conduct visual inspections in hard to reach areas, this allows us to locate and diagnose issues with minimum disruption.
Lowflo can accurately locate both metallic and non-metallic piping, including PVC, Copper, PE, cast-iron, steel and asbestos pipes. We use state-of-the-art tracing methods, meaning that work is non-invasive and results are quickly achieved. This usually means a combination of CAT and Genny, Ground Penetrating Radar (GPR) and Pulse Wave Generator devices. These technologies allow us the scan areas quickly and detect leaks on pipe networks.
Dye Testing Leak Detection
By injecting fluorescent dye into piping systems in pools, drains or water pipes leaks can be located and a remedy put in place to rectify the issue. Flourescent dyes do not dissolve in water ensuring accurate surveying and results.