Pressure testers encompass equipment used to verify the structural integrity, leak-tightness, and pressure-holding capability of aerospace components such as fuel system lines, pressure vessels, ducting, valves, and airframe assemblies, employing methods including burst testing, proof-pressure testing, and leak detection via techniques such as mass spectrometry, helium sniffing, and bubble emission in accordance with standards such as AS9100 and RTCA/DO-160.
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