Hitachi Compressor ASH201GV-C7HUL

09/07/2020

What is the principle of waste heat recovery Good for business

[Why] Air compressors are widely used. During their long-term, continuous operation, electrical energy is converted into mechanical energy and thermal energy according to the principle of energy conservation.

08/21/2020

Treatment method of ammonia leakage accident in ammonia refrigeration compressor

During the operation of the cold storage, the maintenance and maintenance of the ammonia refrigeration system are not in place, which will cause some failures in the ammonia refrigeration system.

09/09/2022

Permanent Magnet DC Motor: Types, Application, Selection Principle (1)

A <strong>permanent magnet DC motor</strong> (PMDC motor) is a type of DC motor that uses permanent magnets to create a magnetic field.

09/23/2020

Air compressor classification, working principle and air compressor selection

Air compressor classification, working principle and air compressor selection The air compressor is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover (usually an electric motor) into gas pressure energy, and is a pressure generating device for compressed air.

07/30/2024

Air Conditioning & Refrigeration Solenoid Valves: Structure and Principle

The article describes the structure and working principle of the three-way two-position solenoid valve used in refrigerators and the four-way reversing valve used in heat pumps (i.e. heat pump reversing valve).

08/02/2020

Summary of parameters and phenomena of air conditioning refrigerationheating system

Summary of parameters and phenomena of air conditioning refrigerationheating system 1. R22 refrigeration working state parameters 　　(1) During summer cooling, the normal low pressure of the refrigeration system is between 0.4～0.59MPa.

01/09/2023

What is a Refrigeration Solenoid Valve?

The refrigeration solenoid valve is a valve that controls the automatic opening and closing of the refrigerant in the refrigeration system.

08/15/2020

How to manage the temperature after the cold storage is built

After the cold storage is built, the temperature in the cold storage must be better adjusted. This content is actually very important, but the corresponding precautions should also be grasped in the process of adjusting the temperature of the cold storage.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/11/2020

Treatment method for water leakage of central air conditioner

The reason for the dripping of the central air conditioner-improper installation of the body<br></br> The first thing we need to see is whether the installation of the machine body is standard, and the installation is not in place.