Danfoss Compressor DSF090A4AAI

08/11/2020

How to choose a dedicated central air conditioner in a supermarket

Everyone should be familiar with central air-conditioning. It is widely used in our homes and some public places. It can adjust the temperature in the house very well and can bring good ventilation effects.

06/29/2020

Several causes of compressor burning

07/29/2024

How to Unstick a Reversing Valve on a Heat Pump

A heat pump is a remarkable piece of technology, capable of efficiently heating or cooling a space by transferring heat from one place to another.

06/28/2020

In a few words, make it clear how strong the Hitachi central air-conditioning compressor is

In a few words, make it clear how strong the Hitachi central air-conditioning compressor is After seeing many posts on the compressors of Science Hitachi, various parameters and terminology simply summarize the following points

08/18/2020

How to avoid corrosion of refrigeration equipment

When enterprises use refrigeration equipment, it is inevitable that various failures will occur, and the reasons for the failures are also various. Once the failure occurs, it will affect the normal operation of the refrigeration equipment.

08/13/2020

Lubrication method of screw chiller internal components

If the compressor lubrication system of the screw chiller is better, it can reduce the friction, friction heat and wear of the parts of the compressor, better improve the mechanical efficiency of the compressor

09/08/2020

How to choose an air compressor for nitrogen generator

The compressed air source required by the nitrogen equipment of the nitrogen production mechanism must be a dry, oil-free and clean compressed air source that requires a pressure above 0.6Mpa and below 0.8Mpa.

07/31/2020

What kind of equipment is suitable for high and low pressure refrigerant charging method

There are generally two types of refrigerant charging methods: low-pressure charging and high-pressure charging. The advantage of the low pressure charging method is that it is easier to control the amount of refrigerant charged,

09/21/2020

Working principle and usage method of motor bearing grease

Working principle and usage method of motor bearing grease The lubrication of the motor bearing relies on the lubricating oil that is precipitated when the three-dimensional fiber network structure in the grease is broken under the action of shear, forming a layer of lubricating film on the rotating elements of the bearing, the bearing seat and the bearing race for lubrication Effective.

03/06/2023

Types of Cylinder Seals and Factors Affecting Sealing Performance

Cylinder sealing is an important parameter to characterize the technical condition of engine. Cylinder sealing is related to the technical condition of cylinder block, cylinder head, cylinder gasket, piston, piston ring, inlet and exhaust valves and other parts.