Yaskawa Servo Motor SGMGH-40A2B21

09/24/2025

4 Types of Safety Protection for Refrigeration Compressors (9 Common Protection Devices for Refrigeration Compressors)

When the compressor is running, some abnormal situations may occur, such as: the exhaust pressure is too high, the suction pressure is too low, the oil pressure is insufficient, the motor is overheated

01/10/2021

How Air Conditioners Work

Air conditioners use refrigeration to chill indoor air, taking advantage of a remarkable physical law: When a liquid converts to a gas (in a process called phase conversion), it absorbs heat. Air conditioners exploit this feature of phase conversion by fo器2䀀
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08/02/2020

Equipment selection for cold storage design and installation temperature and size are critical

The equipment selection of the cold storage design and installation is related to the actual operation of the cold storage after the completion of the cold storage.

08/24/2020

Air conditioner compressor failure Be sure to find out the underlying cause of the compressor failure!

The compressor is the energy core of the air-conditioning refrigeration (heat) system. In the refrigeration system, it mainly functions to compress the refrigerant and promote the continuous circulation of the refrigerating oil.

06/29/2020

Compression ratio of American Copeland compressor

12/09/2021

Differences Between Smart Pressure Transmitter and Analog Pressure Transmitter

Pressure transmitter is composed of single chip microcomputer and micro displacement (differential) pressure sensitive element, which can complete multi-function detection and conversion from non electric quantity to electric quantity.

08/02/2020

Treatment method after load damage of screw chiller

First of all, we must confirm whether the compressor load has been burned or the components have been worn away. If so, the refrigerant system will inevitably be contaminated. For example, residual refrigerant oil remains in the pipeline after carbonization

09/11/2020

Oil bath air filter zksg

In the working environment with high dust concentration in the air, the dust removal filter device used in general air compressors is mostly screen-type secondary dust removal paper and fiber material filtration.

09/16/2020

Why can't I repair the cold welding machine Easy to fall off

Question: Why can't the patching machine be fixed? Easy to fall off? Answer: The main reasons for the failure to fix are: 1. The surface of the mold is not cleaned, and there are impurities such as oil, dirt, and oxides between the supplement and the mold.

08/04/2020

Pay attention to four look when buying air conditioners in summer

With the arrival of the hot summer, the sales of household air conditioners have entered the peak season. How to choose a satisfactory air conditioner correctly