How to check a hose whether it leaks or not

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How to check a hose whether it leaks or not

Common causes of hose leaks include material aging, wear, damage, loose joints, etc. For these reasons, we can check from the following aspects:

Visual inspection
Look carefully at the surface of the rubber hose to see if there are any obvious cracks, signs of wear or damage. In addition, pay attention to check whether the joints are loose and whether the sealing ring is damaged. Thoroughly mix the soap with a small amount of water and stir evenly to create a large amount of foam. Use a brush, toothbrush, etc. to dip an appropriate amount of soapy water into it and apply it to the gas valves, pipes, and joints, and observe whether there are bubbles. If there are bubbles, it means there is air leakage.

Gas detection
Use gas detection instruments, such as leak detectors, gas analyzers, etc., to detect flexible hoses. This method can accurately determine whether the hose is leaking and where the leak is.

Compressed air testing
Inject compressed air into the hose and observe whether the pressure gauge value is stable. If the pressure drops quickly, there may be air leakage. In addition, you can also find the location of air leakage by tapping and listening to the location.

Liquid filling method
Pour liquid (such as water) into the hose and watch for leaks. This method is suitable for checking larger diameter hoses and can detect air leaks at the joints.

Pulse test
Through special pulse testing equipment, periodic pressure is applied to the hose and the pressure changes are observed. If there is air leakage, the pressure waveform will be distorted.

However, in practice, a single method often cannot satisfy all situations. Therefore, we set our sights on a comprehensive inspection approach. For example, you can start with a visual inspection to screen out hoses that may have problems. Then combined with gas detection or compressed air testing and other methods, conduct in-depth investigation. This combined inspection strategy can increase the detection rate and reduce the risk of missed detections.