Schneider Relay RSB2A080B7PV

08/17/2020

Features of screw and centrifugal chillers

The chiller is a kind of water-cooled equipment as its name implies, but it is a mechanized equipment that can provide constant temperature, constant pressure and constant current.

02/14/2023

The Composition and Working Principle of Reduction Gearbox

Gearbox, also called reducer or gear reducer, is a widely applied reduction transmission mechanism equipment, composed of two or more gears.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

06/21/2020

Advantages of rolling rotor compressors_Disadvantages of rolling rotor compressors

Advantages of rolling rotor compressors_Disadvantages of rolling rotor compressors Rolling rotor compressor, also known as rolling piston compressor or fixed vane compressor, is a type of rotary compressor. <img src="{{media url=&quot;Advantages_of_rolling_rotor_compressors_Disadvantages_of_rolling_rotor_compressors.jpg&quot;}}" alt="" /> 　　Working principle of rolling rotor compressor 　　 Rolling rotor compressor is a volume type rotary compressor. The change of the working volume of the cylinder is achieved by the rolling of the cylindrical rotor of the cylinder in the cylinder by an eccentric device.

06/14/2020

Embraco hosts flammables webinar

BRAZIL: Compressor manufacturer Embraco will host two free educational webinars in June, one covering refrigeration fundamentals, the other on the use of flammable “natural” refrigerants in commercial refrigeration.

08/18/2020

Causes and removal methods of scale formation in the condenser of the chiller

In industrial production, it is easy for the condenser pipes to form scale in the chillers used. If not treated in time, these scales will affect the heat exchange effect and cause the condensing temperature of the unit to increase

07/18/2020

Fault analysis and treatment of excessive oil consumption of the refrigeration compressor of piston chiller

Commonly used chillers are divided into piston type, screw type, centrifugal type, and vortex type chiller according to the type of refrigeration compressor used. Their evaporators and condensers generally use shell and tube heat exchangers, the throttling device uses thermal expansion valves, the refrigerant is freon

07/20/2020

What are the requirements for refrigeration compressor installation

What are the general requirements for refrigeration compressor installation? The editor will introduce it to you, and hope to help everyone! 1. Collect the original materials and technical documents of the refrigeration device and system design, and be familiar with all the contents.

09/02/2020

A Brief Discussion on the Life Cycle Cost Theory of Air Compressors

This article carefully analyzes the cost of air compressor equipment throughout its life cycle from the perspective of users. First of all, air compressors are general equipment. Air compressors can be found in civilian hospitals and medical fields, industrial manufacturing companies, construction markets, and transportation operations.

06/25/2020

Displacement compressor classification_Characteristics of displacement compressor

Positive displacement compressors are mainly divided into the following four types: screw compressors, piston compressors, rolling rotor compressors, and scroll compressors.