Danfoss Compressor DSF270A4ALB

08/21/2020

Why the air-conditioning supplyreturn water temperature is 7℃-12℃

Reason analysis of 7 degree water supply: 　　 1. Starting from the refrigeration unit, the refrigerant evaporates in the evaporator and absorbs heat to cool the secondary side water. If the evaporation temperature is too low, it will cause frost on the surface of the evaporator and affect the heat transfer efficiency.

10/23/2025

Why Refrigeration System Clogged

The blockages in the refrigeration system include ice, dust, oil and welding blockage, etc.

08/17/2020

How to choose chillers for small factories

At present, the chiller industry is continuously accelerating the pace of development. More and more different types of chillers have emerged, and many small chiller factories have been born.

07/07/2020

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

09/01/2020

How to effectively reduce the air consumption of air-jet looms

The air-jet loom is the fastest-developing shuttleless loom in recent years, but its energy consumption is much greater than other shuttleless looms, which increases production costs.

09/09/2020

Compared with frequency conversion air compressor, what are the problems of traditional air compressor

Compared with frequency conversion air compressors, traditional air compressors have certain shortcomings. What are the manifestations? Next, the editor of okmarts.com will tell you what are the problems with traditional air compressors.

07/09/2024

9 Famous Water Solenoid Valve Manufacturers Worldwide

water solenoid valve is a valve that is directly opened and closed by electromagnetic actuation. The following introduces 9 common water solenoid valve brands / manufactures / suppliers, including ASCO, Parker, SPORLAN, Burkert, VENN, Miller, Siemens, SMC, and Rain Bird. We hope it can help you select a water solenoid valve.

08/15/2025

Best Liquid CPU Coolers 2023: Top 360 AIO Coolers

If you are a PC gamer or a worker who needs to perform high-intensity calculations, then you must have a deep understanding of the CPU temperature problem.

12/30/2021

Car AC Compressor Troubleshooting-- Best Suggestions

Using a straight edge and a feeler gauge to examine the flatness error between cylinder head, cylinder block, crankcase and bottom cover, which should not be more than 0.05mm, otherwise, you should grind it.

08/09/2020

Screw compressor structure

The screw compressor is composed of a pair of parallel and intermeshing female and male screws. It is the most widely used rotary compressor. There are two types of single screw and twin screw. Generally speaking, screw compressor refers to twin screw compressor.