HITACHI VFD Frequency Converter WJ200-015HF

09/10/2020

Application of screw air compressor in power industry

Electricity is one of the most important energy sources in a country, and it is also the lifeblood of national economic construction and daily life. No matter what form of power generation is used, compressed air is inseparable in the power station.

06/29/2020

Precautions for the use of screw air compressor oil

Precautions for the use of screw air compressor oil Note on the use of screw air compressor oil: It is forbidden to mix air compressor oils of different brands and grades. The old oil must be drained when replacing. It is strictly forbidden to add or filter and reuse.

06/29/2020

Several causes of compressor burning

10/06/2025

The main structure of the piston compressor

For piston compressors without crosshead, the main components include the body, crankshaft, connecting rod, piston, cylinder, intake and exhaust valves, etc.; for piston compressors with crosshead, in addition to the above parts, there are cross Head and slide, piston rod and stuffing box, etc.

07/31/2020

Refrigeration principles of refrigerators and air conditioners

Refrigerator is a kind of refrigeration equipment that keeps a constant low temperature, and it is also a civilian product that keeps food or other items in a constant low temperature and cold state. There are cabinets or boxes for freezing by compressors and ice machines, and storage boxes with refrigeration devices

07/02/2020

Copeland compressor analyzes the current status of centrifugal compressors

Copeland compressor analyzes the current status of centrifugal compressors Copeland compressor is a common compressor brand, and the same Copeland compressor brand can be divided into many types of compressors, such as centrifugal compressors, piston compressors, liquid ring compressors, diaphragm compression Machine etc.

09/10/2020

Ice washing imitates air conditioner inverter wrestling or changes the industry pattern

nverter air conditioners have experienced more than ten years of difficult development in China and finally opened up in the Chinese market. "Inverter" has begun to win consumers' approval for its energy-saving and environmentally friendly features.

09/08/2020

Comparison of direct drive and belt drive of air compressor

The two transmission modes of air compressors are direct gear transmission and transmission through a certain medium, namely belt transmission, generally speaking, direct drive and belt transmission.

01/10/2025

What is the fault code E57 displayed during the use of Mitsubishi Heavy Industries' Haier air conditioner General failure

What is the fault code E57 displayed during the use of Mitsubishi Heavy Industries' Haier air conditioner General failure Mitsubishi Heavy Industries Haier Air Conditioner is a central air conditioner produced by a large electric appliance group Haier 器2䀀
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08/16/2020

What is the difference between a water source heat pump and a water ring heat pump

1. Water source heat pump technology Water source heat pump technology is a low-temperature low-level thermal energy resource formed by using solar energy and geothermal energy absorbed from shallow water sources on the earth's surface