The valid of the refrigerant test methods

Inferior refrigerant will affect system performance and stability, more serious will cause the system components and the damage of the compressor. Can through the following several kinds of methods to identify whether for inferior refrigerant: 1, pressuremeter test, if the measured pressure value is lower than the environment temperature. 。 。

inferior refrigerant can affect system performance and stability, the more serious damage will cause the system components and compressor. Can through the following several kinds of methods to identify whether for inferior refrigerant:

1, pressuremeter test, if the measured pressure value is lower than the ambient temperature of the corresponding saturated pressure value amounted to more than 2 kg/f, can judge the refrigerant as nonconforming product, is strictly prohibited! Example: the environment temperature is 20 degrees, the measured pressure value of 7. 1 kg/f, far lower than the temperature of cold media should reach saturation pressure value by 13. 5 kg/f, can judge the refrigerant as nonconforming product.

2, bubble, bubble test contains a chloride methane and other corrosive gas refrigerant effectively, and foam corrosion degree and a the methane of cl content level, the higher the content, the more obvious effect, the lower levels, the effect is not obvious.

3, the refrigerant can of inversion, and release a small amount of refrigerant to a piece of white paper, if there is a obvious impurity in white paper or liquid water, poor quality of refrigerant, is not recommended. In addition, whether through formal channels for purchase of refrigerants, such as price significantly lower than the market price of refrigerants, should be on high alert.

4, if you have the test conditions, it is recommended to use before the refrigerant to test its purity and acidity, significantly lower than the industry standard for the test result of refrigerant is not recommended. Note: qualified purity of R22 refrigerant should be greater than 99% ( Good refrigerant purity is more than 99. 8%) , acidity should be less than 0. 0001.

5, system debugging, running stage, through inspection found no other abnormal situations, and refrigeration capacity is insufficient; Dryer or expansion valve plug, and the blockage is tan wax-like or black sludge foreign body, such as advice from the system makes a purity test of refrigerant to screen inferior refrigerant risk.

the above detection methods about refrigerant authenticity is here now, hope to be able to bring you some help, if you have a demand on refrigerant, welcome consultation discussion with us, we wholeheartedly at your service!

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