Chint Relay NR4-12.5/Z 0.8-1.25A

08/18/2020

Reasons and precautions for supporting cooling towers of industrial chillers

Water chiller is an energy-saving machine that achieves cooling effect through vapor compression or absorption cycle. In order to improve the operating efficiency and cooling effect of industrial chillers, many companies mostly adopt external cooling towers for reconstruction.

06/14/2020

Piston screw scroll centrifuge compressor characteristics analysis

Piston screw scroll centrifuge compressor characteristics analysis 1. Semi-closed piston compressor Principle: Rely on the reciprocating motion of the piston to compress the gas in the cylinder.

06/14/2020

Scroll compressor March sales continue to decline

Scroll compressor March sales continue to decline In March 2020, the total output of the scroll compressor industry was 231,000 units, a year-on-year decline of 27.01%, an increase of 118.75% from the previous month

07/16/2020

Vacuum leak test method for small cold storage equipment

Refrigeration systems with evaporating pressure gauges close to or below atmospheric pressure must be tested for vacuum leak tests, leaving the refrigeration equipment under proper vacuum for a certain period of time, reflecting and observing whether air has penetrated into the system from the reading of the vacuum pressure gauge for inspection The sealing performance of the cold storage equipment system.

12/12/2022

How to Deal with the Abnormal Noises from the Linear Guideways?

The rolling element on the slider of the linear guideway moving back and forth inside the track groove will produce noise, which is a normal phenomenon.

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;

03/03/2021

The key detection items of servo motor and common problems in servo motor detection

1).Servo motor detection -- cogging torque: Cogging torque is an inherent phenomenon of permanent magnet motor, which can make the motor torque fluctuate and produce vibration and noise. We measure the change of motor torque in a rotation cycle on a special test bench and analyze the distribution of cogging torque.

07/28/2020

Analysis of common failure causes of hermetic refrigeration compressors

. How to identify the 3 terminals on the casing of a hermetic compressor?<br></br> The resistance between running terminal (R), starting terminal (S), common terminal (C), RS is greater than the resistance between SC and RC. The resistance between RS is equal to the resistance between SC and the resistance between RC.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

12/06/2024

Top 10 Industrial Compressor Manufacturers in the World

The so-called compressor is a kind of machinery that compresses low-pressure gas to high-pressure gas, and it provides power for refrigeration cycles, gas transportation or pneumatic tools, etc.