ABB Circuit Breaker 10060006

07/29/2020

Air conditioning chilled water pump lift estimation method (including examples)

The so-called selection and calculation of water pumps are actually estimates (many calculation formulas themselves are estimates), and more detailed and comprehensive considerations are accurate calculations.

04/23/2025

Top 10 differences between R410A and R22 refrigerants and the difference between R410A and R22 copper pipes

R22 is the chemical name of difluoromethane, is a member of the Freon family, belongs to the hydrochlorofluorocarbon class.

06/30/2020

What are the causes of compressor overheating

What are the causes of compressor overheating Some causes of compressor overheating: high return air temperature, large motor heating capacity, high compression ratio, high condensing pressure, and improper refrigerant selection.

06/14/2020

Global Refrigeration Compressor Market Overview 2020: Emerson, HITACHI, GMCC, Huangshi Dongbei, Landa

The market study namely Global Refrigeration Compressor Market 2020 by Manufacturers, Regions, Type and Application, Forecast to 2025 shows a focused situation of key industry players combined with their market share, deals, and development prospects.

08/09/2020

Rosemount 3051S high-precision transmitter is more efficient!

Rosemount Pressure Transmitter 3051S High-precision Transmitter Series is an expandable comprehensive measurement platform for pressure, flow and liquid level, which can achieve productivity and efficiency that are difficult to achieve with other equipment.

09/03/2020

What are the reasons for the performance degradation of the compressor unit driven by the steam turbine

1. The seal between compressor stages is seriously damaged, the sealing performance is reduced, and the internal return flow of the gas medium increases.

08/19/2020

How does the central air-conditioning project adjust and improve the wind power during operation

The central air-conditioning project is an overall system project, which contains many specifications such as technology, equipment, design, management, etc. A successful central

06/29/2020

What is the cause of compressor pipeline vibration

06/27/2020

Compressor installation

　　　　　　　　　　　　　　 Chapter 1 General Provisions 　　 Article 1 This chapter is applicable to the installation of reciprocating piston type, screw type, vane type and membrane type positive displacement compressors.

09/10/2020

Existing problems in the promotion and application of water source heat pumps in my country

As a new type of cooling and heating method, water source heat pump should be quite mature and no problem from a technical point of view, especially from the point of view of heat pump units. However, considering China's national conditions and the promotion and application of water source heat pump cooling and heating as a whole system, there are still some problems: