PIZZATO Switch FX 5C2-M2

07/23/2020

Reasons for excessively high discharge temperature of refrigeration compressor (technology sharing)

The refrigeration compressor is the core and heart of the refrigeration system. The capacity and characteristics of the compressor lead to the capacity and characteristics of the refrigeration system. In a sense, the design and matching of the refrigeration system is to reflect the capacity of the compressor.

07/13/2020

Danfoss training-common faults and analysis of compressors

Danfoss training-scroll compressor I participated in Danfoss' service provider training and learning twice a week this week, mainly on scroll compressors (MLM series, MLZ series, LLZ series), and the recently hot scroll compressors for heat pumps (SH series, PSH series) ). And analyze the common faults of the compressor and exchange solutions.

06/26/2024

10 Hydraulic Parts Manufacturers from China

In the production of hydraulic parts, some local Chinese companies are also booming. The following introduces some hydraulic parts companies from China.

07/12/2020

What semi-hermetic screw compressors are customers willing to pay for?

In the early years, many people felt that semi-hermetic screw compressors are expensive and have high technical threshold. Without semi-hermetic piston compressors, they are cheap and easy to use and maintain, so they are a bit daunted.

08/02/2020

Air conditioning refrigerant specific classification and price

In the refrigeration device, there must be a working fluid in which the state changes and completes the thermodynamic cycle process.

09/10/2020

Summary Essentials of water treatment for central air-conditioning chillers

Looking at the management of central air-conditioning throughout the country, it is found that very few are well managed, and all have problems of one kind or another to varying degrees. The main problems are described as follows: 1. Problems caused by the unreasonable design of the design department

03/03/2021

Voltage of servo motor: relationship between voltage and speed of servo motor

1)At high speed, the speed is proportional to the voltage 2) At low speed, the voltage is lower than the decrease of speed;

07/17/2020

The operation of central air conditioning system and the harm of scale to the system

As we all know, any water filtration machine we use will produce scales, such as drinking fountains. When scales form in the system during long-term use, it will cause great harm to the system itself. The central air conditioner is no exception.

06/29/2020

Compression ratio of American Copeland compressor

08/17/2020

Comparison of advantages and disadvantages of air duct machine, water chiller and multi-line

1. Ducting machine-Ducting system 　　 duct type system, as its name implies, uses air as the conveying medium. It uses chillers to centrally produce cold energy, cools/heats the fresh air