Danfoss Compressor SM147T4YS

07/20/2020

Screw refrigeration compressors are prone to these types of failures, have you encountered them?

The compressor is a volumetric compressor.Since its use in 1934, it has a dominant position in small to large and medium-sized refrigeration systems because of its excellent performance, not suitable for wear, and large unit cooling capacity.

07/16/2020

Analysis of the reason why cold storage should not be built underground

Many people think that building cold storage underground will have better thermal insulation effect than cold storage on the ground, because in the past, when the technology was backward, it was very common to choose cellars as crop storage. But from a commercial point of view, it is not scientific to blindly build the cold storage underground. The cold storage construction team stands from the perspective of consideration for customers

09/10/2020

List of relevant air compressor standards

Serial number Standard code standard name Remarks

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/09/2020

How to achieve high efficiency and energy saving for variable frequency air compressor

When it comes to frequency conversion, everyone will think of power saving and energy saving. It is true that the frequency conversion air compressor is the same as the power saving of the fan motor water pump.

09/08/2020

Four common representation methods for air compressors

In the 21st century, the air compressor market is highly competitive. When consumers choose products, they often include the quality and price of the machine in their purchase criteria. Therefore, the various labeling methods commonly used in the market will be explained, and we will do our best to protect consumers.

09/09/2025

Functions and Types of Condensers in Refrigeration System

Condenser, a component of the refrigeration system, is a type of heat exchanger that can convert gas or vapor into liquid, and transfer the heat in the tube to the surrounding air in a very fast speed.

06/12/2025

Basic Structures and Working Principles of Electric Motors

An electric motor is a device that converts electrical energy into mechanical energy.

07/18/2020

Classification and main performance of HVAC chillers

Commonly used chillers are divided into piston type, screw type, centrifugal type, and vortex type chiller according to the type of refrigeration compressor used. Their evaporators and condensers generally use shell and tube heat exchangers, the throttling device uses thermal expansion valves, the refrigerant is freon

01/12/2023

Common Directional Control Valve Failures and the Solutions

In the process of using the directional control valve, various failures may occur in the slide valve, electromagnet, and reversing valve.