Eaton Vickers Vane Pump 4520V-45A9-1AA22R

03/04/2021

Advantages of servo motor

Precision: the closed-loop control of position, speed and torque, and the problem of out of step of stepping motor is solved; Speed: high speed performance, general rated speed can reach 2000 ~ 3000 rpm;

07/14/2020

Cold storage refrigerant leakage effect and detection method

Cold storage refrigerant leakage effect and detection method If the refrigerant leaks during the use of the cold storage, it will not only cause refrigerant waste, but also affect the refrigeration performance of the cold storage. Therefore, if there is leakage of refrigerant in the cold storage, it should be detected and repaired in time.

09/10/2020

Questions and Answers on Filter Technology of Compressed Air Purification System

1 Why is the most harmful of oil in the air? Answer: In some places with strict requirements, such as pneumatic control systems, a drop of oil can change the condition of the air holes. Paralyze the production line that was originally running normally and automatically.

07/12/2020

Future trends of semi-hermetic screw compressors? Unseen companies may be eliminated2

Future trends of semi-hermetic screw compressors? Unseen companies may be eliminated From single-screw to single-machine two-stage, from ordinary type to frequency conversion, environmental protection, energy-saving type, from a single product to the provision of system solutions, the development of semi-hermetic screw compressors has never stopped and has continuously penetrated into major refrigeration projects.

08/20/2020

Operation method for filling freon in refrigeration system of high and low temperature box

The operation method of filling Freon in the refrigeration system of the high and low temperature box is as follows: 　　1, prepare a scale, weigh the freon cylinder, and record the net weight of the total weight Leon.

02/20/2023

The Structure, Characteristics, and Notices for Use of Butterfly Valve

Butterfly valve consists of valve case and valve body. This valve, which is characteristic of rotatable disc or double plate, can be used to cut off water. Its axis of rotation is perpendicular to the direction of water flow.

08/21/2020

Is the air-conditioning installation nonsense

Many people think that if the air conditioner is bought, the air conditioner in this home will be able to cool and heat super well, but in fact, the installation of air conditioner also has a crucial

06/08/2022

Function and 7 Common Types of Solenoid Coil?

The self induced electromotive force in the inductance coil always competes with the change of current.

09/08/2020

Different concepts of air compressor and compressor

Without understanding of air compressors and compressors, people often have a wrong idea: mistakenly think that air compressors are compressors. In fact, there is still a big difference between the two. Air compressors and compressors are actually two different mechanical products, although they have certain commonalities and connections.

06/29/2020

What is the cause of compressor pipeline vibration