Contrinex Sensor DW-AS-501-M18-002

06/29/2020

How the compressor works

09/14/2020

What is the difference between oil and oil-free air compressors

The oil and non-oil in the air compressor generally refer to the oil content of the exhaust gas of the air compressor. Generally, the oil content of the oil machine is larger, and the oil content of the oil-free machine is 0.01ppm,

07/16/2020

Tips for compressors using refrigeration oil

The amount of frozen oil used. The amount of refrigerating oil should be controlled after the installation of the overall refrigeration system. After the trial operation, the oil return position of the refrigerating oil seen from the sight glass of the compressor should be at the center line of the sight glass.

07/08/2020

How to solve the problem of poor oil return of screw chiller

1. What is the cause of the poor oil return of the screw chiller? 　　 Generally speaking, the reason for the poor oil return of the screw chiller is mainly due to the phenomenon of the gas mixture of lubricating oil and refrigerant during the operation. Specifically, in the operation of the refrigeration system, encountering the miscibility of the refrigerant and the refrigerator lubricating oil will cause the lubricant in the refrigeration compressor to run and the refrigerant will be discharged into the condenser in the form of gas mist and droplets.

08/09/2020

Regulations for the adoption of heat recovery chillers in refrigeration stations

1. For buildings that require both cooling and heating, heat recovery chillers can be selected when the technical and economic analysis is reasonable. By recovering the heat lost by the cooling water, the unit is used for air conditioning hot water or hot air preheating,

09/11/2020

Bearing according to the number of rows of rolling elements

According to the number of rows of rolling elements, bearings are divided into:<br></br> 1. Single row bearing: bearing with one row of rolling elements;<br></br> 2. Double row bearings: bearings with two rows of rolling elements;<br></br> 3. Multi-row bearings: bearings with more than two rows of rolling elements and bearing loads in the same direction.<br></br>

09/03/2022

How to Choose a Contactor?

In industrial electricity, the contactor uses an energized coil to generate a magnetic field to close the contacts to control the load.

01/10/2021

The importance and design application of hotel fresh air system

With people's emphasis on environmental protection and the continuous improvement of air quality requirements, the fresh air system has become a hot word that appears frequently. As a place for people to relax and entertain, the requirements for the decor器2䀀
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08/19/2020

How to distinguish inferior refrigerants What effect does refrigerant purity have on the system

Inferior refrigerants will affect the performance and stability of the system, and more seriously will cause damage to system components and compressors. The following methods can be used to distinguish whether it is a low-quality refrigerant:

07/05/2020

Notes on long-term shutdown of Hitachi air compressors during long holidays

Notes on long-term shutdown of Hitachi air compressors during long holidays Thank you very much for your strong support for Hitachi Air Compressor sales and after-sales service!