C&U Bearing NU2314EM

09/01/2025

How to Distinguish Different Types of Fans in Data Centers

Without fans, it is impossible to ensure that equipment components operate at a constant temperature. Long-term continuous high-temperature operation of equipment will accelerate the aging of components and shorten the life cycle of equipment operation.

09/22/2020

Compression and delivery of air compressor

The compressor can convert the mechanical energy of the motor or internal combustion engine into the pressure of compressed air. Air compressors are divided into two categories: reciprocating and rotary. The following figure shows the basic types of compressors:

08/13/2020

Refrigeration system 41 essay questions, too comprehensive!

1. What are the three necessary conditions for the safe operation of the refrigeration system? 　　Answer: (1) The refrigerant pressure in the system must not be abnormally high to avoid equipment rupture.

04/08/2025

What is Positive Displacement Pump?

<strong>Positive displacement pump</strong> is also known as a volumetric pump, which uses the periodic volume changes of the working chamber (pump casing or cylinder) in the pump to transport the liquid.

08/07/2020

Air source heat pump purchase skills

Air source heat pump products can not only replace coal-burning stoves in rural areas for heating, but also replace urban thermal central heating.

08/08/2020

What are the characteristics of air source heat pumps

Features of air source heat pump: 　　1. The air-conditioning system combines cold and heat sources and is placed on the roof of the building. There is no need to set up a special refrigerating machine room and boiler room,

06/29/2020

Several causes of compressor burning

07/12/2020

Danfoss compressor selection

Danfoss Compressor is an important product of the Danfoss Industrial Group. It has three factories in Germany, Slovenia and Mexico. It produces small refrigerator compressors for household refrigerators, commercial freezers and air conditioners. The power range is from /OHP-HP, using R12 and R22. , R502, R134a, R404A, R600a and other refrigerants.

08/28/2020

Why should you use a real oil-free air compressor

There have been a lot of discussions and reports on the issue of oil in compressed air. Some people believe that for some processes and final products, the air used can contain a certain amount of oil,

07/27/2020

What is the principle of air conditioning refrigeration system? What is the heating principle of the air conditioner?

When we use the air conditioner, the commonly used function should be the cooling function, because the cooling function can bring us a more comfortable and cool environment in summer, but we all have these principles about how the air conditioner is cooled.