Danfoss Compressor SH420A7AAX

11/17/2022

What is an Axial Fan?

Axial fans, also called axial flow fans, are very versatile and produce airflow in the same direction as the axis of the fan blades.

06/24/2020

Reasons and solutions for refrigerator not cooling

Refrigerator non-refrigeration is a problem often encountered during the use of refrigerators. Refrigerator non-refrigeration always occurs suddenly. A large number of things that need to be refrigerated suddenly become unpredictable, which greatly affects daily life and wastes time to find.

06/29/2020

Compression ratio of American Copeland compressor

08/14/2020

How does the cold storage refrigeration system supplement and discharge refrigerant

The cold storage refrigeration system must ensure that the refrigerant is dry when adding refrigerant (only applicable to fluorine refrigerant refrigeration systems),

08/20/2020

Use and maintenance of central air-conditioning chillers

At present, central air-conditioning refrigerators are widely used, especially in shopping malls and other places with a large number of people. What are the cooling principles, system classification and maintenance methods of central air-conditioning refﰸ2䀀

08/15/2020

How to install large-scale cold storage refrigeration equipment

The cold storage is mainly used as a constant temperature storage air-conditioning equipment for food, dairy products, meat, aquatic products, etc. The cold storage is a kind of low-temperature cold storage and also a kind of refrigeration equipment.

06/23/2020

What refrigerator is used for cooling

Most of them use fluorine-free refrigerants, and the models include R600A, R410A, R407A, R134A, etc., which are all green and environmentally friendly. The specific models are marked on the nameplate on the rear side of the refrigerator. the way.

09/06/2020

Application of Piston Rod Settlement Monitoring System in Reciprocating Compressor

1. Introduction A petrochemical plant imported a reciprocating compressor from abroad, the model is: B254-4118N3.3, 4 rows of symmetrical balanced type, the import and export parameters are: 135kPa (A)@14℃, 3.4MPa (A)@35℃, rotation speed: 425r/min, stroke: 240mm.

03/14/2021

Maintenance of servo drive

1.Maintenance of operating environment of servo driver In order to prolong the service life of the servo driver, the following problems should be paid attention to in the process of use. Temperature, humidity, dust, vibration, input voltage and other factors should be considered for the system environment.

08/07/2020

Air source heat pump heating in winter

The air source heat pump is used as the cold and heat source of the central air conditioner. Its advantage is that one machine is used for two purposes.