Danfoss Compressor NPT14RA

08/20/2020

Selection and design of cold storage doors

Under normal circumstances, the cold storage door as one of the cold storage equipment only accounts for less than 10% of the entire system cost. After the entire system is put into use, it has almost become the "front" of the entire system.

07/12/2020

What semi-hermetic screw compressors are customers willing to pay for?

In the early years, many people felt that semi-hermetic screw compressors are expensive and have high technical threshold. Without semi-hermetic piston compressors, they are cheap and easy to use and maintain, so they are a bit daunted.

09/05/2020

What is the purpose of a small air compressor

The uses of small air compressors are as follows: 　　1, compressed air as power: Drive all kinds of pneumatic machinery. The exhaust pressure of pneumatic tools is 7-8 kg/cm². It is used to control instruments and automation devices.

06/14/2020

Five methods for leak detection in refrigeration systems

Five methods for leak detection in refrigeration systems The leak detection of the refrigeration system of the air conditioner includes the leak detection of components such as the refrigeration compressor, condenser, evaporator, filter drier, capillary 器2䀀
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06/25/2020

What are the three tubes of the refrigerator compressor

What are the three tubes of the refrigerator compressor 　　 1. The general refrigerator compressor has three pipe ports;

03/13/2021

Working principle of servo drive

At present, most servo drivers use digital signal processor (DSP) as the control core, which can achieve more complex control algorithm, digitalization, networking and intellectualization. The drive circuit based on intelligent power module (IPM) is widely used in power devices.

06/29/2020

Compression ratio of American Copeland compressor

06/30/2020

Excessive head resistance will cause compressor to trip

Excessive head resistance will cause compressor to trip The existence of compressor failure does not seem to have much to do with the brand. In other words, whether it is a Hitachi compressor, a Copeland compressor, or another brand of compressor, as long as it is used for a long time, there will be some problems of failure. . Compressor tripping is a common fault. When this failure usually occurs, we should comprehensively look for the cause of the failure.

07/28/2020

Overview of refrigeration compressor classification

The compressor is the core equipment in the refrigeration system. Only by converting electrical energy into mechanical work and compressing low-temperature and low-pressure gaseous refrigerant into high-temperature and high-pressure gas can the refrigeration cycle be ensured

09/13/2022

Dealing with Actuator Failures: Common Causes and Solutions

The actuator device is a combination of the actuator part and the control valve in automatic control system.