DIFU Vane Pump VQ35-76

07/26/2020

Precautions for using R410A refrigerant in air conditioner

The types of refrigerating machine oil (lubricating oil) are roughly divided into mineral oil and synthetic oil according to the use of refrigerant. The lubricating oil of R22 refrigerant currently used is basically mineral oil. R410A refrigerant uses synthetic oil.

08/16/2020

What is the difference between a water source heat pump and a water ring heat pump

1. Water source heat pump technology Water source heat pump technology is a low-temperature low-level thermal energy resource formed by using solar energy and geothermal energy absorbed from shallow water sources on the earth's surface

03/13/2023

Classification of Water Pump

Classification of Water Pump

09/11/2020

Inverter companies will transform to personalized services

Recently, the Institute of Industry and Market Research of the Institute of Machinery Industry Information said that my country's inverter market will not be saturated until at least 10 years, and the overall market potential is 120 billion to 180 billion yuan.

02/25/2025

Different Types of Refrigeration Compressors and Their Applications, Brands

The refrigeration compressor is the core and heart of the refrigeration system, and is an indispensable part of air conditioners, refrigerators, chillers, etc.

07/11/2020

working principle

working principle The screw compressor uses a pair of core-yin and yin rotors to realize the continuous suction, compression, and exhaust of air. The active rotor has a 5-spiral spiral, and the driven rotor has 6 tooth slots. It adopts a unique tooth shape to produce High compression efficiency.

06/29/2020

What is the cause of compressor pipeline vibration

08/17/2020

Drainage method of refrigeration pipe during cold storage installation

Before the cold storage is installed, the refrigeration pipe must be thoroughly removed. The rust and dirt on the inner and outer walls of the pipe must be removed, and the inner wall must be kept dry.

12/18/2024

ABB inverter fault codes and solutions

After an ABB inverter fails, many people don't know what to do, and they look for experts everywhere for advice. In fact, many times, just check the inverter's fault code to know what specific fault has occurred in the inverter, and you can prescribe the right medicine

07/31/2020

Must know! Safe operation of refrigeration valves

The switching operation of various valves is the main task in the operation of the refrigeration system. The function of the valve is to control and guide the flow and direction of the refrigerant in the system, cut off and conduct the connection between the equipment and the equipment or the equipment and the outside world.