NB Nippon Bearing Linear Guideway SMA3

07/25/2025

Piston refrigeration compressor

The structure of the piston refrigeration compressor<br></br> Piston refrigeration compressor is mainly composed of three parts: working chamber part, machine base part and auxiliary system lubrication, cooling, etc.<

09/02/2022

Differences between a Contactor and a Relay

The contactor and the relay are all control devices used in electric circuit. But they cannot replace each other. The followings are the main differences between the two.

09/08/2020

Air compressor lubricant model the difference between No. 32 and No. 46 air compressor lubricants

Air compressor lubricants are generally No. 32 oil and No. 46 oil. No. 32 is a mineral type. The general service life is about 2000 hours and needs to be replaced. The operating temperature must be below 90 degrees to avoid carbon deposits.

08/18/2020

Popular Science｜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? In our daily life, we rarely think about these issues, which is what professionals want to understand.

06/14/2020

What are the classifications of air filters What are the classification criteria of air filters

Air filter classification standard      What are the classification of air filters according to working principle      Air filter can be divided into compressed air filter, primary effect filter, medium efficiency filter, high efficiency filter and ﰸ2䀀
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09/07/2020

How to choose the first flange sealing surface form of the pressure vessel using flange connection

The flange welded by the connecting pipe on the pressure vessel cylinder to the flange is the first flange connected to the pressure vessel flange, and the flange that is matched with it is not counted as the first flange, and other flanges.

09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.

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

07/31/2020

Is it normal to see smoke from the outdoor unit during air conditioning heating in winter

In winter, when using air-conditioning for heating, the effect is either reduced or there is no hot air. I always feel that the heating effect is very poor! Many air conditioners are surrounded by snow. Can they be effective

05/25/2022

How to Install The Safety Light Curtain?

In order to ensure the normal operation and the safety of operators, we must install the safety light curtain according to the correct methods and steps.