ABB Relay CR-M220DC3L

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/08/2020

Dew point of adsorption dryer and its influencing factors

1. Adsorbent Adsorbent is the material basis of the adsorption dryer. The type of adsorbent has a decisive influence on the final dew point of the compressed air being processed. At present, the most commonly used adsorbents in compressed air dehydration and drying are silica gel,

08/19/2020

Common mistakes in daily operation of industrial chillers

The operation of the industrial chiller system works through three interconnected systems: refrigerant circulation system, water circulation system, and electrical automatic control system.

09/10/2020

Air compressor lubricant replacement standard and market analysis

1. The selection criteria of air compressor oil 　　1) Oil selection: mineral oil, semi-synthetic oil, synthetic oil (synthetic oil is mainly PAO series) 　　2) Pour point: ≤-10℃ 　　3) Flash point: ≥180℃ 　　4) Acid value: 0.2 　　5) Performance requirements: good oxidation resistance, anti-emulsification, and less residual carbon

08/13/2020

Is the filter of the central air-conditioning air purification device as many as possible

Many people will ask: Is the filter screen of the central air-conditioning air purification device as many layers as possible? the answer is negative. The filter of the central air conditioner air purifier is not based on the number of layers, but on the Pﰨ2䀀湠癐V

08/14/2020

Daily operating conditions of industrial chillers

Industrial chillers will have certain parameters for users to refer to during operation, which can be displayed through relevant instruments. It is possible to control and observe the various parameters of the industrial chiller during operation,

06/14/2020

The weather turns hot Avoid the risk of epidemic spread due to the use of air conditioning

The weather turns hot: Avoid the risk of epidemic spread due to the use of air conditioning According to the press conference of the 108th New Coronary Pneumonia Epidemic Prevention and Control in Beijing on May 18, 2020, 33 patients with concentrated feﰸ2䀀
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06/14/2020

Is PVC or PE good for domestic fresh air system pipes

Is PVC or PE good for domestic fresh air system pipes Fresh air system is a category of light equipment and heavy design. Fresh air equipment is highly dependent on design and construction.

08/14/2020

The working principle of laser chiller and installation precautions

Laser chiller products have the characteristics of outstanding cooling effect and low cost of cooling work. Before installing and using laser chillers, first require relevant staff to be familiar with the performance of the equipment

08/24/2020

The main reason why the freezer is not cooling

1. What will happen if sewage treatment is not carried out? The refrigeration system is a clean, dry and tight closed loop system. Because the passage section of some components in the system is very small (such as the valve cavity of the thermal expansion valve