SKF Bearing 7004 ACD/P4ADBA

07/16/2020

Compressor overheating

The compressor is overheated, causing it to stop shortly after start-up (protector action). Please check whether it is:; Insufficient or excessive refrigerant, please fill the leak and evacuate, add enough refrigerant or release excess refrigerant. The capillary assembly (including the filter) is clogged and the suction temperature rises. Please replace the capillary assembly.

06/25/2020

Displacement compressor classification_Characteristics of displacement compressor

Positive displacement compressors are mainly divided into the following four types: screw compressors, piston compressors, rolling rotor compressors, and scroll compressors.

01/06/2025

What is the principle of the chiller shell and tube evaporator

The cold water shell and tube evaporator is made by expanding two-layer metal plates with high-pressure gas or by mechanical pressing. It can also be made of aluminum alloy die-casting.

09/01/2020

Discussion on Problems Caused by Suspected Oil in Compressor

Editor's note: In the process of using compressors, in order to achieve the purpose of normal and high-efficiency production, most of the time, we give more choices and maintenance to the host and spare parts,

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

02/10/2023

How to Replace a Blend Door Actuator?

Blend door actuators control the temperature and flow of air in the vehicle. If your vehicle only releases cold air, or you can't change the airflow

07/30/2020

Do you know all about the setting of fire damper in HVAC system?

In the HVAC design, there are many types of valves for fire prevention and smoke exhaust, and the valve settings are different for different applications.

08/24/2020

Self-taught, fixed-speed air conditioner power consumption can be easily calculated

In summer, many friends worry about the electricity cost of the air conditioner at home, turning it on for a while, turning it off for a while, turning it on for a while when it’s hot, and turning it off for a while.

09/09/2022

Types of DC Motors

According to the reversible principle of DC motors, DC motors are divided into DC motors and DC generators.

08/26/2020

Thirteen steps of flushing and changing oil skills, let your air compressor bid farewell to the oil tiger!

Oil-injected rotary screw air Compressors have become the mainstream of air compressors due to their advantages of stability, high efficiency, low vibration and low noise. However, the generally higher oil change frequency of oil-injected