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  • Where do all the impurities and sediment in the chiller come from？

    Chiller is a cooling water equipment, can provide constant temperature, constant current, constant pressure of chilled water. Its working principle is to inject a certain amount of water into the internal water tank of the machine first, cool the water through the refrigeration system, and then s...
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  • Exhibition service, we are very serious

    As the company grows and partners encourage, We are attending big exhibitions more and more，so that we could get to know each other better with customers. Our professional sales staff and experienced technicians will attend the exhibition to provide you with timely and efficient service. We will...
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  • How to tell the difference between good and bad wires？

    Weight: The weight of wires with good quality is generally within the prescribed range.For example, Plastic insulated single copper core wire with sectional area of 1.5, the weight is 1.8-1.9kg per 100 meter; Plastic insulated single copper core wire with a sectional area of 2.5 is 2.8 ~ 3 kg pe...
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  • Do10 things before replacing the compressor

    1. Before replacing, it is necessary to check the cause of damage to the original refrigeration compressor and replace the defective parts.Because of the damage of other components will also lead to direct damage to the refrigeration compressor.   2. After the original damaged refrigeration ...
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  • Compressor fault and protection examples

    According to statistics, in the first half of a year, users complained about a total of 6 compressors. User feedback said that the noise is one, high current five. The specific reasons are as follows: One unit due to water enter into the compressor, Five units due to insufficient lubrication. Poo...
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  • Signs of normal operation of refrigeration system and causes of common failures

    Signs of normal operation of refrigeration system： 1.The compressor should run smoothly without any noise after starting, and the protection and control components should work normally. 2.Cooling water and refrigerant water should be sufficient 3.The oil will not foam much, the oil level is not ...
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  • Get out of the misunderstanding of “condensed water”

    Condensed water, commonly known as “condensation”, is shown in pipes, air conditioning panels, vents and other objects on the water trace or even water droplets.Causes the wind pipe and the hanger to be soaked, the tuyere dripping water, the smallpox dripping water, the metope seepage...
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  • Common conversion unit table for refrigeration

    Common conversion unit table for refrigeration

    Common units and conversion 1 MW = 1000 KW 1 KW=1000 W 1 KW=861Kcal/h=0.39 P 1 W= 1 J/s 0.1MPa=1kg/cm2=10m mercury column =100KPa 1 USTR=3024Kcal/h=3517W（冷量） 1 BTU=0.252kcal/h=1055J 1 BTU/H=0.252kcal/h 1 BTU/H=0.2931W 1 MTU/H=0.2931KW 1 HP(electricity)=0.75KW（electricity） 1 KW（electricity...
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  • How to deel with the impurity in the refrigeration system?

    How to deel with the impurity in the refrigeration system?

    1.The effect of water on the system I.Ice plug at expansion valve，resulting in poor fluid supply II.Part of the lubricating oil is emulsified,reduce the lubrication performance III.Hydrochloric acid and hydrogen fluoride are generated in the refrigerant system, which can corrode metal.And it has...
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  • Advantages and disadvantages of 5 compressors

    Advantages and disadvantages of 5 compressors

    1.Half-sealed piston refrigeration compressor Semi-enclosed piston compressors are more commonly used in cold storage and refrigerated markets (commercial refrigerated air conditioning is also useful, but is now used relatively infrequently). The semi-closed piston type cold storage compressor is...
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  • The reasons for motor burning

    The reasons for motor burning

    The reasons for motor burning can be divided into: load, power supply, motor insulation, default phase 1.Default phase Reason:Usually due to the lack of phase power.(1 phase unsupplied or insufficient supply voltage).Or the contactor contact point in the line is not closed.The wire connection poi...
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  • Thermoplastic composites are popular in Europe

    Thermoplastic composites are popular in Europe

    According to a market report released by Lucintel,Thermoplastic composites in the European consumer goods market are expected to grow at a compound annual growth rate of 2% from 2017 to 2022.It could reach $1.2 billion by 2022.In the European market for consumer goods, The opportunity for thermop...
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