NKK Switch MRX204-A

07/31/2020

Is the refrigerant gas or liquid

Regarding whether to charge the refrigerant, whether it is gas or liquid, many masters must have known for a long time. I often see people inquiring about this refrigerant when charging, is it gas or liquid? Here is a summary. For your reference

12/23/2022

What is an Erbium Doped Fiber Amplifier?

The erbium optical fiber amplifier (EDFA) is an optical amplifier made of optical fiber doped with erbium.

09/07/2020

Some suggestions for the field of traditional compressed air purification

In the past, when building a compressed air system, people often ignored the impact of pollutants in the compressed air on the system, and only considered the simple economic factors such as initial investment and operating energy costs,

09/07/2020

Comprehensive classification knowledge of air compressors

Classification of air compressors Air compressors are divided into: 　　1, speed type; 　　2, volumetric type; volumetric type is divided into rotary and reciprocating;

09/04/2020

Internal leakage test of control valve in air separation plant

Commonly used control valves in air separation plants include normal temperature valves (mainly used outside the cold box), low temperature valves (mainly used in the cold box and low-temperature liquid pipelines outside the cold box)

10/18/2021

Maintenance of Absolute Encoders

What are the precautions for maintenance of rotary encoders? Rotary encoders are used as speed and displacement feedback sensors, which are mainly applied in servo motors, asynchronous motors

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

08/19/2020

How to choose refrigerant for different types of industrial chillers

We all know that the working temperature of medium and high temperature chillers can be controlled between 3°C and 35°C, low temperature chillers can also be controlled between 0°C and -60°C,

06/14/2020

Working principle of rotary vane compressor

Working principle of rotary vane compressor

09/07/2022

Troubleshooting of Overflow Valves

Overflow valve is one of the classic industrial products. Today, let's take a look at its common faults and how to solve them.