KEYENCE HMI VT3-V7

08/09/2020

Can you answer these common basic knowledge questions about refrigeration compressors?

1. Why should the compressor run continuously for at least 5 minutes, and stop for at least 3 minutes after shutting down before restarting?

04/14/2022

What is A Flowmeter?

Modern flowmeter is an exquisite instrument developed in the 18th and 19th centuries. The type of flowmeter are constantly improved with the change of society

01/03/2021

Ref Tools puts essential tools in the hands of installers

Over the past months, we’ve made several exciting updates to our popular Refrigerant Slider app. We improved the interface, integrated several of our other apps, and added quality of life improvements that made it much easier to use.

07/19/2020

The principle structure, advantages and disadvantages of scroll refrigeration compressor

Principle: The scroll line pattern of the moving plate and the static plate are the same, but the phase difference is 180°C; they mesh to form a series of closed spaces; the static plate does not move, and the moving plate revolves around the center of the fixed plate with the eccentricity as the radius. When the moving disc revolves, it meshes in sequence, so that the crescent-shaped area is continuously compressed and reduced, so that the gas is continuously compressed and finally discharged from the center hole of the static disc

06/29/2020

Compression ratio of American Copeland compressor

09/17/2020

Application of the counting machine

Due to the impact of GMP certification on the pharmaceutical machinery industry, the purchase of equipment by domestic users has shrunk severely in the past one or two years, so that the survival problem facing equipment manufacturing is quite cruel:

09/07/2020

The most complete air compressor energy saving transformation method

Due to the design standard of the air compressor, the user can only determine the motor capacity according to the maximum demand when selecting the model, resulting in a large margin in the air compressor system.

07/25/2020

Problems and case analysis of electronic expansion valve and four-way valve

Judge the quality of electronic expansion valve:<br></br> Step one (see): Whether the wiring is in place and whether the wiring is damaged.<br></br> Step two (listening): After power-on, there is a "click" normally, check whether the coil is in place;

08/18/2020

Air-cooled chiller inspection steps and solutions

Generally, after using the air-cooled chiller for a long period of time, some problems cannot be avoided. If there is a failure, we should carefully check the operating conditions of the various parts of the machine.

06/16/2020

Talking about the scheme of applying SY4000 general frequency converter in compressor

Talking about the scheme of applying SY4000 general frequency converter in compressor Compressor introduction: Compressor (compressor), a kind of driven fluid machinery that transports gas and increases gas pressure. It is the heart of the refrigera器2䀀
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