Parker Servo Valve D1FPB32MC9NB00

04/26/2022

How to Install A Surge Protection Device?

Set power line surge protection device at the entrance of the line into the building, the interface of the lightning protection area and the place close to the protected equipment.

06/29/2020

How the compressor works

06/26/2020

What is the refrigerator compressor used for

　Refrigerators use evaporative cooling or vaporization to absorb heat to achieve the purpose of refrigeration. The throat of the refrigerator is filled with a refrigerant known commercially as Freon, commonly known as refrigerant. A commonly used one is difluorodichloromethane, which is a colorless, odorless and non-toxic gas with a boiling point of 29°C. Freon is pressurized by the compressor when it is in a gas state.

08/18/2020

Central air-conditioning chiller water system and ventilation system cleaning method

The central air-conditioning ventilation system mainly includes air ducts, fresh air ducts, central air-conditioning wind cabinets, air supply openings, air sealing openings, air handling units, fan coils, etc.

08/04/2020

HVAC people, have you made these mistakes?

As a HVAC person, constantly summing up experience and accumulating knowledge in the work can be said to be a necessary quality, but as the saying goes, failure is the mother of success.

07/20/2020

From enclosure to seize share, half-sealed screw harvests markets above 40P

In the industry, many people think that the semi-closed piston is like a stable big brother.

06/14/2020

Emerson Copeland Low Temperature Air Source Heat Pump Compressor Northern Rural Comfortable and Energy-Saving Choice

In the cold winter in the north, the traditional heating methods are mainly electric heating, coal burning, solar energy, gas, etc. These heating methods have their own advantages and disadvantages. Since its development, the heating method has undergone 器2䀀
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09/05/2020

You deserve to have super detailed information on the world's nine famous bearing brands!

1.Overview of SKF The full name of SKF is "Svenska Kullager-Fabriken". The Chinese transliteration name is "SKF" 　　 Location of company headquarters: Gothenburg, Sweden;

03/24/2023

Working Principles of Common Vacuum Pumps

The vacuum pump is a device that vacuumizes the pumped container under the action of electromagnetic force to maintain the vacuum. Vacuum pumps are usually widely used in low temperature equipment, papermaking machinery, vacuum equipment, and petroleum, mining, foundation treatment and other fields.

09/06/2020

Filter structure and material selection

Generally speaking, a filter refers to an accessory that filters impurities or gases through filter paper; according to different filtering functions, it can be divided into: oil filter, fuel filter, air filter, air conditioning filter Wait