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[Leak Detection] Vacuum Leak Detection Technology Gas Bellows Industry Application

labiedal001 April 16, 2021 Vacuum fittings, Valve

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Gas bellows hose are suitable for gas piping systems, cold and hot water piping systems and harmful gas piping systems. The industries involved include gas, water supply, construction, medicine, food, chemical industry, electric power and fire fighting. Since the conveying medium is mostly flammable, explosive, toxic and harmful substances, once the leakage occurs, the consequences will be unimaginable, so the leak detection of the gas bellows is an indispensable process for manufacturers. Traditionally, water inspection (bubble method) is used to detect leaks, which has the following disadvantages:

1. Since a corrugated coil can be up to several hundred meters long, it is difficult to observe the water test for small leaks;
2. Low efficiency, poor accuracy, low automation, easy to miss inspection;
3. After the water inspection, the workpiece must be dried, which consumes energy and time;

The vacuum helium leak detection equipment on the market uses helium mass spectrometry to provide a complete set of solutions for the non-destructive testing of the sealing performance of the gas bellows, which can effectively solve various existing problems. The leak detection equipment has the following advantages:

1. Dry leak detection effectively avoids the need for re-drying process after water inspection, saving energy consumption and working hours;
2. High detection accuracy: the leak detection rate can reach 1×10-7Pa.m3/s;
3. Fast detection cycle: less than 60 seconds/piece, improving production efficiency;
4. Special tooling fixture: realize quick clamping;
5. High detection reliability: fully automatic operation, the system automatically completes all detection processes, without manual intervention, to prevent missed or misjudged judgments caused by human factors;