POWTRAN VFD Frequency Converter PI9200A 030G3

09/05/2020

The new pattern and development situation of industrial gases

The industrial gas industry has a long history of more than 140 years. In 1912, my country's first air separation system was born. After the reform and opening up, industrial gas engineering was also the first industry in China that was opened to foreign capital, and the industry developed earlier.

07/21/2025

What’s the Difference between a Pressure Transmitter and a Pressure Gauge

Pressure transmitters and pressure gauges are both widely used in pressure measurement and control in industrial processes.

07/16/2020

Judgment of the failure of piston compressor in starting

Piston compressor It is a type of compressor commonly used in industrial refrigeration. Most piston compressors use a semi-closed shape, which is simple and convenient to maintain and repair. It is widely used in large supermarkets, cold stores, laboratories, and various refrigeration equipment.

08/03/2020

The air conditioner only cares about food and clothing, and floor heating can enjoy life

With the improvement of living standards, people are no longer satisfied with "warmth", but also want "comfort" and high-quality life.

01/04/2021

Functions of a Refrigeration Compressor

Functions of a Refrigeration Compressor By CAROLINE FRITZUpdated JULY 18, 2017 A refrigerator compressor is the center of the refrigeration cycle. It works as a pump to control the circulation of the refrigerant, and it adds pressure to the refrigerant,器2䀀
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08/27/2025

Variable Speed Compressor in Refrigerator

The differences between variable speed compressor and fixed speed compressor are their working principle and user experience.

08/09/2020

What is the reason that the temperature of the freezer cannot drop

It is a common phenomenon that the temperature of the supermarket freezer does not drop and the temperature drops slowly. Now I will briefly analyze the reasons for the slow temperature drop, hoping to bring some help to friends in the industry.

09/07/2020

What is the relationship between compressor speed and air compressor service life

The speed of the screw air compressor has an inevitable relationship with the maintenance cycle of the main compressor. The higher the speed of the head, the service life of the bearing will also be shortened.

06/29/2020

Several causes of compressor burning

08/12/2024

21 FAQs on Refrigeration Compressors (Part 2)

When the refrigeration compressor starts, a little refrigeration oil will enter the air conditioning system with the refrigerant circulation.