Panasonic Compressor 2JS442D4AA01

06/29/2020

Compression ratio of American Copeland compressor

09/06/2020

Spindle design of machining center and high-speed precision CNC milling machine

High-speed machining can not only double the production efficiency, but also further improve the machining accuracy and surface quality of parts, and solve some of the high-efficiency machining problems of some special materials that are difficult to solve in conventional machining. Therefore, high-speed machining has caused a high degree in the world. Pay attention.

11/07/2021

The Era of Intelligent Building Management Comes with Siemens HMI + KNX

Siemens is a leading electronic and automation product manufacturer in the world. Based on its advanced human-computer communication technology and brand development concept

07/07/2020

The aging of air conditioners caused fires. The heat is coming.

The aging of air conditioners caused fires. The heat is coming. Are your home appliances overaged? The police reminded: As summer is approaching, we should pay attention to the service life, quality and installation environment of household appliances. The wires of many electrical appliances are mainly insulated by a layer of rubber on the outside.

08/24/2020

Guidelines for the scientific wearing of masks by the public (revised edition) and summer air-conditioning operation management and use guidelines (revised edition) released

Guidelines for the scientific wearing of masks by the public (revised edition) and summer air-conditioning operation management and use guidelines (revised edition) released

09/11/2020

Comparison of ball bearings and roller bearings

Comparison of ball bearings and roller bearings From the point of view of the contact with the raceway: Ball bearings are in point contact, and the contact surface is ellipsoid; while roller bearings are in line contact, and when force is applied, the contact surface is square.

10/08/2025

HVAC Compressor 101: Working Principle, Types, Function

The compressor is a critical component of any HVAC (Heating, Ventilation, and Air Conditioning) system, responsible for compressing and circulating the refrigerant that cools the air.

07/05/2020

Global HVAC Centrifugal Compressors Market 2020-2025 Report and Imapct of Coronavirus Pandemic

The “Portable Air Compressor” Market report considers the central point responsible for driving the development of the Snowblowers Industry, notwithstanding the key preventions and difficulties.

06/14/2020

Types and selection criteria of control valves for refrigeration equipment

The first thing to know is what is a control valve? A control valve, also known as a control valve, is mainly used in the field of industrial automation process control. Its function is to change the flow, pressure, temperature, etc. of the medium. The apﰸ2䀀
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07/18/2020

Working condition and adjustment of refrigeration system of low temperature chiller

Low-temperature chiller refrigeration system operating conditions and adjustments Nowadays, chillers are widely used in the refrigeration industry, and the refrigeration working fluid is usually R22 (also R404a) and so on. In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor