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  • How to choose refrigerants correctly

    How to choose refrigerants correctly

    The first factor is the price of R134A refrigerant. Only when the price is right, there is room for negotiation. The price of R134A refrigerant is right, and environmental protection requirements must be considered. Choose refrigerants that comply with national environmental protection regulations. ... read more

    Nov 19,2021 News
  • Problems to be considered when R404a refrigerant replaces R22 refrigerant

    Problems to be considered when R404a refrigerant replaces R22 refrigerant

    1. The big problem of using R404a refrigerant to replace R22 is the problem of lubricating oil. It is necessary to use PVE ester oil to replace the mineral lubricating oil for R22. Ester lubricating oil has high affinity with water and poor dehydration, so you should avoid contact with outside air a... read more

    Nov 12,2021 News
  • What are the reasons for the aging of the rubber tube?

    What are the reasons for the aging of the rubber tube?

    With the advancement of technology, there are more and more types of rubber hoses on the market. It is important to know how to choose the hose that suits you, but it is more important to know how to maintain and store rubber hoses. Due to the material, the rubber hose is aging all the time, but the... read more

    Nov 05,2021 News
  • Why should the refrigerant be filled in liquid form? What are the filling methods?

    Why should the refrigerant be filled in liquid form? What are the filling methods?

    1. Whether the refrigerant is added liquid or gas    Refrigerants can be divided into 3 categories: single working fluid refrigerant, non-azeotropic mixed refrigerant, and azeotropic mixed refrigerant.   The composition of the single-working-substance refrigerant will not change regardless of whethe... read more

    Oct 25,2021 News
  • English-Chinese terminology comparison of valve product categories

    English-Chinese terminology comparison of valve product categories

    This dictionary lists most of the valve vocabulary in both Chinese and English used in valve export and foreign trade. 阀门 valve 通用阀门 General valve 球阀 Ball valve 槽车球阀 Tank Lorry Ball Valves 法兰球阀 Flange Ball Valves 衬里球阀 Lining Ball Valves 闸阀 Gate valve 楔式闸阀 Wedge Gate Valves 法兰闸阀 Flange Gate Valves 排渣... read more

    Oct 22,2021 News
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