Danfoss Compressor SY380A7XX

08/16/2020

What to pay attention to when the refrigeration equipment is moved

Because the company needs to change the working environment, all the equipment of the company must be moved, and the refrigeration equipment in the disassembly and installation process requires staff with rich professional knowledge,

07/07/2020

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

09/10/2020

Air compressor lubricant replacement standard and market analysis

1. The selection criteria of air compressor oil 　　1) Oil selection: mineral oil, semi-synthetic oil, synthetic oil (synthetic oil is mainly PAO series) 　　2) Pour point: ≤-10℃ 　　3) Flash point: ≥180℃ 　　4) Acid value: 0.2 　　5) Performance requirements: good oxidation resistance, anti-emulsification, and less residual carbon

04/28/2025

EGR Valve Replacement Cost: Factors, Estimates, and Considerations

The EGR (Exhaust Gas Recirculation) valve plays a crucial role in modern engine management systems, helping to reduce harmful emissions and improve fuel efficiency.

04/18/2022

Why Electromagnetic Flowmeter Needs Grounding?

Before discussing grounding, I want to give you a question: what is grounding? We usually talk about all kinds of grounding including protection grounding, shielding grounding, working grounding, signal grounding and so on.

08/16/2020

Where is the key technology of ammonia refrigeration system construction

1. Refrigeration compressor installation 　　 Before the refrigeration compressor is in place, clean the soil and dirt from its bottom and foundation bolt holes, and clean up the foundation surface that has passed the acceptance.

06/14/2020

What is the difference between an air compressor and a refrigeration compressor

The air compressor is the same as the refrigeration compressor in that it is the same compressor, the difference is that its working principle and working medium are different. An air compressor compresses gas, and a refrigeration compressor is a device t器2䀀
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08/18/2020

Selection of thermal insulation materials for central air conditioning

At present, the central air-conditioning system, which uses a large number of advanced equipment and corresponding supporting equipment in various buildings, has become one of the important signs of modern building technology,

09/10/2020

Application of FPGA in the position control of DC motor

In a DC motor control system, the controlled quantity is generally the speed of the motor, and the purpose of control is to keep the speed of the motor at the required fixed value. But in the actual production process

07/16/2025

Piston Compressor Basics - Structure, Working Principle, Advantages and Disadvantages

As both manufacturers and end customers know, in a refrigeration or air conditioning system, the compressor is the equipment core by continuously sucking back and exporting refrigerant