Wurth Transformer 749119950

08/15/2024

Why Does the Air Conditioning Evaporator Frost?

Air conditioning evaporator frosting is a common phenomenon and a technical problem that is highly valued. Today we will take a look at why the air conditioning evaporator frosts and how to solve this problem.

09/09/2020

Basic knowledge of gas compressor and its role in various fields

1.Compressor power and pressure: 1. The shaft power of the compressor is the sum of the indicated power and the friction power. The indicated power is the power directly consumed by compressed gas, the friction power is the power consumed by overcoming mechanical friction, and the shaft power of the compressor is the power used to select the drive motor.

06/14/2020

What is the energy efficiency ratio of air conditioning

What is the energy efficiency ratio of air conditioning What does the air-conditioning energy efficiency ratio mean? How to calculate the air-conditioning energy efficiency ratio?

09/23/2025

AC Making Noise When off: Where is the Noise from and What to Do?

If you’ve ever heard your AC making noise when off, it can be a bit unnerving. You may wonder what's causing the noise and what you can do to fix the problem.

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.

01/03/2025

Rosemount Transmitter Series 1151, 2088, 2051, 3051CA, 3051S and the Differences

Rosemount pressure transmitter is a kind of general pressure transmitter. It is manufactured according to the law of electromagnetic induction and JB/T9248-1999 standard.

06/14/2020

Two methods of evacuating the refrigeration system

Vacuuming is an indispensable important process before charging refrigerant in the production or maintenance of refrigeration equipment. That is, the process of removing the non-condensable gas and moisture in the system pipeline by connecting the vacuum 器2䀀
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08/02/2020

Air conditioning refrigerant specific classification and price

In the refrigeration device, there must be a working fluid in which the state changes and completes the thermodynamic cycle process.

06/29/2020

What is the cause of compressor pipeline vibration

09/21/2020

The history of industry

China is one of the first countries in the world to invent rolling bearings. According to archaeological relics and data, China’s oldest bearing with the prototype of a modern rolling bearing structure appeared in Xuejiaya Village, Yongji County, Shanxi Province from 221 to 207 BC (Qin Dynasty).