Rockwell Allen-Bradley AB VFD 20F11GD3P4AA0NNNNN

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.

08/24/2020

No compensation for fire damage caused by air conditioner failure for more than 10 years

In January 2020, the Shanghai No. 1 Intermediate People's Court rejected the appeals of Shen and Sheng: The quality of the air conditioner caused the fire and the loss, and Sharp should bear the corresponding compensation responsibility.

08/05/2020

The choice of cold storage air cooler and exhaust pipe is actually very simple!

Whether the cold storage is better to choose the air cooler or the piping, I found that many friends are at a loss. Some confuse the air cooler with the air-cooled unit, and some just don't know how to choose.

09/18/2025

What Does an Expansion Valve Do?

Expansion valve is an important part of refrigeration system, which is generally installed between liquid storage tank and evaporator.

07/07/2020

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

04/09/2024

9 American Servo Motor Manufacturers

The following introduces the relatively famous servo motor manufacturers in the United States. Hope it will be helpful for you to understand the servo motor brands and servo product selection.

08/02/2020

Talk to the manufacturer's engineer and tell you how important refrigeration oil is to refrigeration equipment!

Although the refrigeration oil is only a small material, if you accidentally use inferior products, you can even burn the machine. I believe that many colleagues have often encountered it.

11/30/2021

Differences Between Sensor and Transmitter

Sensors and transmitters play an important role in the field of automatic control. Transmitters are developed based on sensors, which have close relationship and differences.

08/24/2020

How to determine the demand for precision air conditioners

Precision air conditioners are high-precision air conditioners used in computer rooms that can control the temperature and humidity of the computer room. Its design is to solve the large load heat density in the data center.

08/15/2020

Selection knowledge of screw chiller

Screw chiller is a large-scale industrial refrigeration equipment. It is widely used in central air-conditioning and large-scale refrigeration industry. It plays an important role in refrigeration, cooling and cooling.