Copeland Compressor CR30KQE-TFD-980

08/05/2020

Do you know all the protective devices for air-cooled chiller refrigeration compressors

In order to prevent the air-cooled chiller from running uninterruptedly for 24 hours, causing the compressor to operate under high load, the electromagnetic switch is not good, the overcurrent caused by the shaft holding,

03/01/2023

The Structure and Basic Working Principle of Air Cylinder

Air cylinder is composed of cylinder barrel, end cap, piston, piston rod, and sealing ring.

08/19/2020

The top ten coal-to-electricity installation misunderstandings this winter may cause air source manufacturers to stumble

With the arrival of the 2020 Detroit heating season, nearly 100,000 air-source heat pump heating systems that have been installed in a dozen suburbs of Detroit before have begun to intensively accept the test of the cold winter.

06/14/2020

Relay protection concept and basic requirements

Before introducing relay protection, first introduce several working states of the power system (1) Normal working state It means that all the equality and inequality constraints of the power system are satisfied, indicating that the power system me器2䀀
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06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

06/30/2020

Pay attention to keep the compressor lubricating oil clean

Pay attention to keep the compressor lubricating oil clean Why should we pay attention to keeping the compressor lubricating oil clean? This is because the dirty oil of the compressor or the deteriorated lubricating oil will cause a vicious cycle of accelerating the wear of the parts. Therefore, we should clean the lubricant oil of the compressor according to the following requirements:

03/08/2022

Why an Oil-Free Air Compressor Better?

With the improvement of the industry and people's living standards, the requirements for industrial products

02/22/2023

Classification of Butterfly Valve

Butterfly valve, which dated back in 1930s, is a common valve type. It is easy to be combined with various driving devices, with good durability and reliability.

10/06/2025

The main structure of the piston compressor

For piston compressors without crosshead, the main components include the body, crankshaft, connecting rod, piston, cylinder, intake and exhaust valves, etc.; for piston compressors with crosshead, in addition to the above parts, there are cross Head and slide, piston rod and stuffing box, etc.

03/02/2021

Advantages of hollow axis servo motor

The diameter of hollow shaft can reach 40mm Compact size IP65 protection level Low rotor moment of inertia, high dynamic response characteristics