PARKER Filter 040AR

05/21/2025

Have you figured out the "enthalpy" and "entropy" of the refrigeration system?

1. Enthalpy<br></br> It is a kind of energy, used to indicate the thermal state parameter of the state of the refrigerant, it represents the size of the total energy of the refrigerant; namely:

08/19/2020

Features and performance advantages of water-cooled chillers and air-cooled chillers

The chiller is also called the freezer. The industrial chiller is used in the cooling of the molding die of plastic processing machinery. The chiller can greatly improve the surface finish of plastic products.

09/01/2021

What is VFD?

A VFD (Variable-frequency Drive, frequency converter) is a power control device that uses frequency conversion technology

08/09/2020

Can the air conditioner compressor be repaired if it is broken How much does it cost to repair the air conditioner compressor

Guide: Can the air conditioner compressor be repaired if it is broken? How much does it cost to repair the air conditioner compressor?

08/02/2020

Correctly distinguish between two-in-one supply and three-in-one supply for central air conditioning

To put it simply, the so-called "dual supply" is to use an air energy heat pump system to provide two combined functions of "hot water + heating" or "heating + refrigeration"; "triple supply" is to provide "air conditioning + floor heating + Three combined functions of "hot water".

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/13/2020

Correct operation method and precautions of distribution box during cold storage installation

In the process of cold storage installation, the use of cold storage power distribution boxes is a very important content, but most people are not very familiar with the normal operation of cold storage power distribution boxes.

04/21/2025

Different Types of Pressure Transmitters, Working Principle, and How to Select Pressure Transmitter

Pressure transmitter is a kind of pressure measuring instrument widely used in many transmitters. It is widely used in petroleum, chemical, metallurgy, food, electric power, medicine, papermaking, textile and other industries.

09/07/2020

Inverter 35 Q

1. What is an inverter? 　　Inverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

07/25/2020

90% of the compressor burns down due to these reasons (Refrigeration Oil)

The common faults of compressors mainly include the following three types: 1. Motor burns; 2. Oil shortage caused by refrigerating oil; 3. Liquid shock.