Holip VFD Frequency Converter HLPP007543C

08/24/2020

Popular science the advantages of water source heat pump central air-conditioning

Water source heat pump technology can use the low-level thermal energy resources formed by the absorption of solar and geothermal energy from the shallow water sources on the earth's surface

06/14/2020

Analysis of the application, advantages and disadvantages of the five major refrigeration compressors

Analysis of the application, advantages and disadvantages of the five major refrigeration compressors Semi-sealed piston refrigeration compressor At present, semi-hermetic piston compressors are more commonly used in the cold storage and refrigeration器2䀀
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07/07/2020

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

09/15/2020

79 lightning protection liquid level transmitter, water level display meter head sensor

79 lightning protection liquid level transmitter, water level display meter head sensor okmarts.com pressure sensor, okmarts.com pressure transmitter, okmarts.com pressure sensor PTH601F uses diffused silicon piezoresistive core or ceramic piezoresistive core, 316 stainless steel structure, mainly suitable for rivers, underground water levels, reservoirs, water towers and containers, etc. liquid level measurement and control.

07/11/2025

Speed-Torque Curve of Stepper Motors and FAQs

This is the torque the motor will produce when the motor is stationary and rated current is applied to the windings.

08/15/2020

Failure Forms and Preventive Measures of Parts of Shell and Tube Heat Exchanger

1. The structure of the shell and tube heat exchanger<br></br> The shell and tube heat exchanger is a traditional and most widely used heat exchange equipment. Because it has a strong structure and can be made of a variety of materials

07/13/2020

Danfoss Chinese multiple measures to strengthen the counterfeiting of the compressor market

Danfoss H series scroll compressor flexible sealing technology The scroll compressor is a positive displacement compressor, and the compression component is mainly composed of a movable scroll and a fixed scroll. The scroll compressor was first born in 1905 and was invented by the French engineer Leon Creux.

06/14/2020

Does the amount of refrigerant cause frost in the return air pipe and the compressor

As far as air conditioning is concerned, the principle of system circulation is generally the same as that of refrigerators and freezers. The symptoms of air conditioning systems lacking fluoride are similar to refrigerators and freezers. Many people say 器2䀀
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09/01/2020

Analysis of three states of mechanical lubrication

There are three types of lubrication: full film lubrication, boundary lubrication, and mixed lubrication. They are in three different states, but they all rely on lubricating oil to lubricate and resist wear.

08/08/2020

Brief analysis case of fan coil selection and layout in central air conditioning

Brief analysis case of fan coil selection and layout in central air conditioning With the continuous improvement of high-end office and office environment, the air-conditioning system has become more and more widely used in daily life.