Danfoss Compressor SY300A9PI

08/02/2022

What is A Overflow Valve

Overflow valve also called relief valve is a kind of hydraulic pressure control valve, which mainly plays the role of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment.

07/23/2020

Trouble and overhaul of piston refrigeration compressor

1. The refrigeration compressor cannot start normally Maintenance ideas 　　 1. First, check whether it is caused by low power supply voltage or poor connection of the motor circuit. If it is indeed that the grid voltage is too low, restart after the grid voltage returns to normal: If the line is in poor contact, the connection between the line and the motor should be detected and repaired.

07/20/2020

Performance index of electronic expansion valve:

Advantages of electronic expansion valve: The energy efficiency ratio is improved during high-frequency and low-frequency operation; the reliability of the compressor is improved, and the conditions of oil return, l

02/06/2025

Refrigerated Display Case: Everything You Need to Know

Refrigerated display cases are essential equipment in various industries, most notably in the food and beverage sector. They provide a visually appealing and hygienic means to showcase perishable items, such as chilled drinks, fresh produce, dairy products, and delicatessen.

08/19/2020

Technical standards and selection principles of explosion-proof chillers

Explosion-proof water chillers are specific explosion-proof measures based on standard water chillers to prevent electrical equipment from igniting the surrounding explosive gas environment.

08/16/2020

How to effectively heat the roof of cold storage

In order to reduce the influence of outdoor air temperature on the interior, the cold storage roof must be insulated. Currently, there are usually the following two approaches.

10/28/2025

Causes, treatment and prevention of liquid shock in refrigeration compressor

Causes, treatment and prevention of liquid shock in refrigeration compressor Liquid shock refers to the situation where the refrigerant fails to absorb heat or evaporates sufficiently, and the refrigerant liquid or wet steam is sucked into the compressor器2䀀
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06/29/2020

Compression ratio of American Copeland compressor

06/24/2020

How about the cooling effect of the air-conditioning fan

Air-conditioning fans are becoming more and more popular in summer. Of course, the price of air-conditioning fans is cheaper than air-conditioning. Of course, the cooling effect is not comparable to that of air-conditioning. So what about the cooling effect of air-conditioning fans? This is also a problem that everyone is more concerned about. In addition, the principle of the air-conditioning fan is also what you want to know. Let's take a look at the cooling effect of the air-conditioning fan with the editor, for your reference.

09/02/2020

Basic theoretical knowledge points of air compressor air

1. What is the definition of the standard state of air? Answer: The definition of the standard state is: when the air suction pressure is 0.1MPa and the temperature is 15.6℃ (the domestic industry defines it as 0℃), the air state is called the standard state of air.