ULVAC Vacuum Pump VS750A-A-02222-2A2131132
Type: Vacuum Pump
Brand: ULVAC
There is no price at present, you can Request a Quote
Type: Vacuum Pump
Brand: ULVAC
There is no price at present, you can Request a Quote
Type: Vacuum Pump
Brand: ULVAC
There is no price at present, you can Request a Quote
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07/26/2020
1. The role and classification of expansion valves<br></br> Expansion valve is an important part of refrigeration system, generally installed between liquid storage cylinder and evaporator. The expansion valve causes the medium temperature and high pressure liquid refrigerant to become low temperature and low pressure wet vapor through its throttling, and then the refrigerant absorbs heat in the evaporator to achieve the cooling effect.
06/14/2020
Identify the failure of a fully enclosed refrigeration compressor in three minutes 1. How to identify the three binding posts on the casing of the hermetic compressor?
03/01/2021
Different definitions: (1) Brushless DC motor is a typical mechatronics product, which is composed of motor body and driver. Brushless motor refers to the motor without brush and commutator (or collector ring), also known as commutator less motor. As early as the 19th century, when the motor was born, the practical motor was the brushless form, that is, the AC squirrel cage asynchronous motor, which has been widely used. However, the asynchronous motor has many insurmountable defects, so that the development of motor technology is slow. The transistor was born in the middle of last century, so the brushless DC motor using transistor commutation circuit instead of brush and commutator came into being. This new type of brushless motor is called electronic commutation DC motor, which overcomes the defects of the first generation of brushless motor.
10/15/2022
1. Motor—a component that converts electrical energy into rotational mechanical energy.
06/29/2020
Introduction of measures for compressor pressure protection Measures for compressor pressure protection include the following: 1. Control of suction and exhaust pressure When the compressor is running, due to the system or the compressor itself, the discharge pressure may be too high or the suction pressure may be too low. For this reason, the suction and discharge pressures need to be controlled.
03/17/2021
1. When the Panasonic digital AC servo system is powered on, the motor vibrates and makes a lot of noise, and then the driver gives an alarm No. 16, what should I do?
01/24/2023
A pressure transmitter is a device that converts pressure into pneumatic or electric signals for control and remote transmission.
06/14/2020
The principle of auxiliary equipment of air conditioning and refrigeration system (1) In air conditioning and refrigeration, in order to enable the reliable and stable operation of the refrigeration system and improve the economics of operation
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Danfoss training-common faults and analysis of compressors In this issue, we will talk about the common faults and analysis of compressors.
08/04/2021
Summer is so difficult to spend that people without the air conditioner are like fish out of water. It’s critical to choose a good air conditioner.