Dwyer Flowmeter VFA-41

08/17/2022

Permanent Magnet DC Motor: Types, Application, Selection Principle (2)

The following content is the second half of the previous article, and continues introducing the basic principles of permanent magnet brushed dc motors

07/07/2020

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

09/07/2020

Eight advantages of using frequency converter in air compressor

In recent years, China’s call for energy conservation and emission reduction has become increasingly louder, and there has been an increasing demand for energy-saving equipment.

07/30/2020

FAQs on refrigeration compressors, do you know these

Impurities entering the friction surface of the moving parts of the compressor pump body will cause abnormal scratches and wear. Impurities entering the solenoid valve, expansion valve, control valve, capillary tube and stop valve in the refrigerator system will block the valve hole or The valve is not closed tightly and fails.

07/22/2025

Mitsubishi air conditioner E1, E2, E3, E4, E5, E6 and other faults, how to troubleshoot and repair?

Whether there is a fault in the indoor and outdoor units can be known by the access code of the remote control, the content of the green LED

08/19/2020

It’s said that inverter air conditioners save electricity. Is that true

Nowadays, when buying an air conditioner, you will be asked whether you want to buy a fixed frequency air conditioner or an inverter air conditioner. If you are asked whether it is better to have a fixed frequency or a fixed frequency,

06/14/2020

Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future

Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future "With the elaborate construction of data center refrigeration systems,

06/24/2020

Which refrigerator is better for cooling

Different cooling methods of refrigerators have different advantages, mainly depending on which cooling method is selected. The direct cooling refrigeration type is cheap, relatively energy-saving, and has good fresh-keeping and moisturizing properties, but the temperature is uneven, and it needs to be defrosted frequently.

08/19/2020

What kind of expansion valve should be used for industrial chiller selection

1. When industrial chiller manufacturers produce air-cooled or water-cooled chillers, they generally use external balance thermal expansion valves when selecting thermal expansion valves.

08/26/2020

Types of refrigerants and leak detection methods

Refrigerants are also called refrigeration working fluids, commonly known as refrigerants in some areas in the south. It is a working substance that continuously circulates in the refrigeration system and achieves refrigeration through its own state changŸ