Nedfon Fan FM4512H

09/03/2020

Petrochemical compressor development

Petrochemical compressor development 　　First, since the 1970s, centrifugal compressors have developed rapidly. In the development of a domestically produced 300,000-ton synthetic ammonia plant in a chemical complex, some plants in Shanghai have developed process air compressors, synthesis gas compressors, ammonia refrigeration compressors, and supporting drive steam turbines.

09/05/2020

The problem of motor inefficiency

The test standards promulgated by the International Electrotechnical Commission IEC (hereinafter referred to as IEC) make it possible to evaluate the energy efficiency of motors.

08/29/2020

Discussion on ways to reduce the design cost of air compressor

Reduce the friction between the end face of the crankshaft and the end face of the crankcase On the direct-coupled air compressor, the front end of the crankshaft adopts gear transmission, and the gears are divided into straight and helical teeth.

05/21/2022

How to Select A Air Cylinder?

There are various of air cylinders and it is very important to choose the appropriate model. We provide you with the process of air cylinder selection as follow.

07/07/2020

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

06/14/2020

Is there any problem with compressor oil return

Is there any problem with compressor oil return 1. Mechanism analysis of compressor oil shortage During the operation of the system, the lubricating oil is discharged from the compressor along with the refrigerant, and then returned to the compressor 器2䀀
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08/11/2020

Basic knowledge of the operation and use of refrigeration equipment

In the daily use process of the user, no matter which type of refrigeration equipment is selected, comprehensive maintenance and maintenance for the refrigeration equipment are essential.

08/18/2020

Matters needing attention in the maintenance and maintenance of water-cooled screw machines

What matters should be paid attention to during the maintenance and maintenance of the water-cooled screw machine? Let okmarts.com tell you!

06/14/2020

Analysis on application of overload protector for refrigeration compressor

Refrigeration compressor is the main key component of air conditioner and refrigerator, which is called "heart". Since the 1980s, my country has successively introduced technology and equipment, and its production capacity has reached about 20 million uni器2䀀
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09/29/2025

Air Cooling System in Data Centers: Working Principle, Key Technologies, Pros and Cons, Application

With the rapid development of Internet technology, data centers are becoming larger and larger. In order to meet the growing data processing needs, the energy consumption of data centers is also increasing.