The commonly used method r134a has a refrigerant is introduced refrigerant leakage

refrigerant believe everyone through before the introduction of its had certain understanding, today everything refrigerants staff introduce refrigerant leak detection method, for everybody to know friends following the introduction of small make up have a look at the following article.

1, the visual leak detection

the refrigerant r134a has a small make up somewhere if discover system is introduced in this paper have oil stains, perhaps for the leakage point.

visual easy leakage, no cost, but there is a big flaw, suddenly broken big funnelled, unless the system and the system leakage is the colored liquid medium, visual leak detection won't be able to locate.

2, soap water leak detection

into 10 - to the system 20 kg/cm2 pressure of nitrogen, and then in each part of the system with soap and water, bubble point is the leakage point. This way is the roadside shop common leak detection methods, but the man's arm is limited, people of vision scope is limited, so most of the time don't see funnelled.

3, nitrogen water leak detection

into 10 - to the system 20 kg/cm2 pressure nitrogen, put the system into the water, the bubble point is the leakage point. Soapy water leak detection in front of this method and the essence, while the cost is low, but there are obvious disadvantages: leak detection with moisture is easy to enter the system, lead to the system of material from corrosion, high pressure gas at the same time also is likely to cause more damage to system, carries on the leak detection when the intensity of labor is big, thus make the maintenance costs.

4, halogen leak detection

light leak detection lamp, armed with air tube on the halogen lamp, when the pipe mouth near the system leakage, flame color to purple blue, namely that here there is a lot of leakage. With open fires this way, not only is very dangerous, and flame and refrigerant will produce harmful gases, moreover also difficult to accurately locating funnelled. So few people use this way now, if you can see, it's probably is in the phase of a civilized society.

5, gas differential pressure leak detection

use system inside and outside differential pressure, differential pressure through sensor amplifier, expressed in the form of digital electrical signals or voice or leak detection results. This method is only 'qualitative' to know whether or not the system leakage and cannot find funnelled accurately.

the above information supplied with everything refrigerants, hoping to bring you some help.

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