SMC Solenoid Valve VP3165-065

08/03/2020

How to prevent the constant starting of the compressor of the high and low temperature test chamber?

The compressor is the core component of the refrigeration system of the high and low temperature test chamber, and has a decisive effect on the entire refrigeration system.

08/21/2020

HVAC people collect these data, better than ten years of work experience!

HVAC people, we know that HVAC engineering includes many systems, the situation is complicated, and most of the pipes are hidden in tube wells, walls, ceilings, so the design process is very complicated, but don’t worry, we can step on the predecessors’ Go on your shoulders!

06/29/2020

Compression ratio of American Copeland compressor

10/17/2025

VFD Troubleshooting: 10 Simple Methods to Master

At present and in the future, the maintenance of the electrical control equipment, VFD (Variable Frequency Drive) will become the professional knowledge that all electricians need to master.

09/18/2025

What Does an Expansion Valve Do?

Expansion valve is an important part of refrigeration system, which is generally installed between liquid storage tank and evaporator.

08/11/2020

How to choose refrigerant for high and low temperature alternating damp heat test chamber

There are many kinds of refrigeration used in the high and low temperature alternating damp heat test chamber, and different refrigerants have very different uses and application ranges. Today, we will focus on explaining the main refrigerants on the market.

07/23/2020

Reasons for excessively high discharge temperature of refrigeration compressor (technology sharing)

The refrigeration compressor is the core and heart of the refrigeration system. The capacity and characteristics of the compressor lead to the capacity and characteristics of the refrigeration system. In a sense, the design and matching of the refrigeration system is to reflect the capacity of the compressor.

09/02/2020

The difference between centrifugal air compressor and screw air compressor!

Centrifuge and screw air compressor are currently the air compressors with a high market share. Today, I will tell you what are the differences between centrifuges and screw air compressors. I hope this article can help you.

07/30/2020

Operation flowchart of cold chain cold storage management system

In recent years, the growth of people's demand for fresh food has promoted the development of the cold storage industry, and at the same time has brought many problems and challenges. For example, there are too many idle cold storage resources;

08/13/2020

Air-cooled modular cold and hot water unit configuration and takeover notes

The air-cooled modular hot and cold water unit is a combination of independent air-cooled heat pump units. At present, the modular unit is a very good model in the commercial air conditioning market.