UNION Tool for Metal Cutting HSLB2005-100

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

08/17/2020

What is the reason for the excessive leakage of the refrigeration compressor

1. Insufficient oil flow, increase the oil supply appropriately; 　　2, the assembly sequence of the refrigeration compressor stuffing box is unreasonable and should be assembled according to the procedure;

06/29/2020

Causes of non-condensable gas in refrigeration system

Causes of non-condensable gas in refrigeration system 1. Insufficient emptying of the refrigeration system before charging the refrigerant Before charging the refrigerator, the compressor cylinder in the refrigeration system, the condenser, the evaporator, and the piping of the system were filled with air. In order to eliminate these air before charging the refrigerant, the interior of the refrigeration system Vacuuming,

09/04/2020

Internal leakage test of control valve in air separation plant

Commonly used control valves in air separation plants include normal temperature valves (mainly used outside the cold box), low temperature valves (mainly used in the cold box and low-temperature liquid pipelines outside the cold box)

07/27/2020

The use and maintenance operation of screw unit

Parallel unit: generally composed of the same type of compressor, but also can be composed of different types of compressors. It can be composed of the same type of compressor, or it can be composed of different types of compressors (such as piston machine + screw machine). As shown below:

01/03/2021

Ref Tools puts essential tools in the hands of installers

Over the past months, we’ve made several exciting updates to our popular Refrigerant Slider app. We improved the interface, integrated several of our other apps, and added quality of life improvements that made it much easier to use.

07/19/2020

Centrifugal compressor unit

The machinery of each component in the mixture of liquid and liquid. The centrifugal refrigeration compressor is a rotary speed compressor, which is most suitable for compressing large-capacity gas or steam. The centrifugal chiller uses electricity as the power source.

08/14/2020

Bell mouth connection method of air conditioning and refrigeration equipment

The connection requirements of the bell mouth of air conditioning and refrigeration equipment are very high. From the perspective of maintenance of fluorine deficiency and leakage, the problem of the bell mouth connection is the most.

07/05/2020

Why is frost formed between the electronic expansion valve and the compressor

Why is frost formed between the electronic expansion valve and the compressor? A customer asked: The compressor is suddenly not cooling, and the electronic expansion valve is frosted to the compressor. Is there any relationship between the two before?

08/05/2025

The working principle and the common wiring method of the servo drive

The servo drives, the motor under the command signal from a control system, so whether the drive can work normally or not directly affects the overall performance of the equipment. In the servo control system, the servo drive is equivalent to the brain, and the servo motor is equivalent to the hands and feet.