Oriental Motor Vexta Reduction Drive Gearbox Speed Reducer 4GN15S

09/05/2020

Ten points to judge the pros and cons of inverter products!

The technical grade of the frequency converter is gradually developed and formed. With the improvement of use requirements and the development of technology, the quality of the device, the expansion of functions, and the progress of automation technology, it will gradually advance.

04/04/2025

Solenoid Valves on KOBELCO Excavators: Locations, Functions, Error Codes and Troubleshooting Methods

When KOBELCO excavator displays error codes starting with D and E, such as D012 and E013, they are a solenoid valve problem.

06/29/2020

Compression ratio of American Copeland compressor

08/11/2020

Is the duct air conditioner a central air conditioner Advantages and disadvantages of duct machines and central air conditioning

At present, there are mainly three types of household central air conditioners that are popular on the market: one is air-cooled heat pump hot and cold water units, commonly known as water machines (water system central air conditioners);

07/17/2020

Five items to pay attention to when using Copeland compressors

Copeland compressors are strictly forbidden to perform pressure test under oxygen, and for nitrogen without safety valve! Improper use will cause an explosion and cause casualties. Some users have already experienced this situation. I hope that all dealers promptly remind the installation personnel and use it as a warning. They must follow the operation process.

08/24/2020

What to do if the compressor of screw chiller is damaged

The compressor is the core component of the chiller. Damage to the compressor is a very serious fault and needs to be dealt with in time, otherwise the chiller will not work.

07/26/2020

The influence of temperature on refrigeration compressor

In summer, the discharge temperature of the compressor is relatively high and cannot be touched by hands. According to national standards, the exhaust temperature of the R22 refrigeration system should not exceed 150 degrees Celsius.

08/11/2020

The name of each part of the cold storage

Compressor: It acts to compress and drive the refrigerant in the refrigerant circuit. The compressor extracts the refrigerant from the low-pressure zone, compresses it, and sends it to the high-pressure zone for cooling and condensation.

10/23/2024

Pneumatic Solenoid Valve: Structure, Working Principle, Wiring Diagram, Types, Maintenance and Selection

Pneumatic solenoid valve (also called air solenoid valve) is a device that controls pneumatic actuators (such as cylinders, turbines) and is widely used in industrial automation systems.

06/28/2020

Hitachi compressor, the world's first

When choosing a home central air conditioner, many attentive consumers will compare the compressor technology of various brands. Because the compressor is the heart of the central air conditioner, the advanced nature of the compressor technology is directly related to the effectiveness and stability of the entire air conditioning system. It’s no surprise that consumers are more concerned about compressor technology. The editor here briefly introduces the advantages of Hitachi compressors.