P+F Pepperl Fuchs Sensor NBB4-12GM50-E2-0,5M

09/30/2025

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner The fixed speed air conditioner means that the speed of the internal compressor motor is constant and the temperaturŒﰨ2䀀湠疌VǜV
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08/15/2020

How to exclude inferior refrigeration products

1. Function 　　A, low cooling power. The matched unit power is about 30% to 40% smaller. Generally, a 1.0 cubic four-door supermarket freezer matches a 1/2HP compact machine,

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/10/2020

Benefits and methods of condensate recovery

Benefits and methods of condensate recovery<br></br> 1. Why should we recycle condensate<br></br> 　　Steam as a clean and safe energy carrier is widely used in various industries. After the steam releases the latent heat of vaporization in the steam-using equipment,

06/14/2022

Working Principle and Advantages of HMI?

"HMI" stands for Human Machine Interface. These devices are also known as Man Machine Interface (MMI), Operator Interface Terminal (OIT), Local Operator Interface (LOI)

06/14/2020

Refrigeration compressor 11 ask, can you answer a few

1. Why control the impurity content and moisture content of the compressor and air conditioning system? Impurities enter the friction surface of the moving parts of the compressor pump body, which can cause abnormal scratches and wear. Impurities enter器2䀀
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07/01/2022

Types of Check Valve

Depending on the design of the check valve, they will operate slightly differently. The most common check valve is a spring loaded in-line check valve, however, we will discuss multiple types below.

09/09/2020

How to provide air source for air compressor

　Is the air compressor better for centralized air supply or more energy-saving for point-by-point air supply; for equipment with small air consumption and low pressure, it may be economical to install a pressure reducing valve to work.

12/23/2020

Compressed air can also generate electricity

Compressed air can be used to generate electricity, and after the heat generated during the power generation process is recovered, it can also be used for heating. The reporter learned from the Chongqing Science and Technology Commission that Chongqing Jingtian Energy Investment (Group) Co., Ltd.

08/19/2020

Eight installation steps of central air conditioning

The installation and purchase of central air conditioners are equally important. Central air conditioners have good materials and without good construction techniques, which will also affect the use of air conditioners