POWTRAN VFD Frequency Converter PI9230 018G3/022F3

07/17/2020

Empty and replace the expansion valve after servicing the refrigeration system

Let's introduce the operation process when replacing the expansion valve in the refrigeration system. In the system, when the low pressure of the system is under pressure control, short-circuit the controller before venting the system to prevent the system from jumping during vacuum.

12/24/2021

High Temperature Mulfunction of Screw Compressor and Solutions

Ambient temperature may not be the main cause of high temperature shutdown, but it is often the inducement of compressor high temperature shutdown.

08/18/2020

Causes that affect the low evaporation temperature of the refrigeration system of the constant temperature and humidity box

Recently, some netizens asked about the main factors for the low evaporation temperature of the refrigeration system of the constant temperature and humidity box.

07/07/2020

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

05/21/2022

How to Select A Air Cylinder?

There are various of air cylinders and it is very important to choose the appropriate model. We provide you with the process of air cylinder selection as follow.

09/12/2025

Top 10 Servo Motors in Industrial Automation

Servo motor is an engine that controls the operation of mechanical components in the servo system, which is a kind of indirect speed change device to supplement the motor.

09/14/2020

Compressed air quality detection device

Okmarts.com recently developed a set of compressed air quality testing equipment that can detect the dust content, oil content and pressure dew point of compressed air online.

09/08/2020

Brief introduction of compressed air purification equipment applicable industries

Compressed air is the second largest power source after electricity. It is also a process gas source with multiple uses. Its application range covers petroleum, chemical industry, metallurgy, electric power, machinery, light industry, textiles, automobile manufacturing, electronics, and food. ,

08/21/2020

Analysis of common causes of cylinder jam caused by heat pump compressor

What are the reasons for the jam of the heat pump compressor? Do you guys know? Let’s take a closer look with the editor of okmarts.com today!

08/13/2020

What is the principle of installing refrigerators in cold storage

In the cold storage, refrigeration units such as semi-hermetic refrigeration compressors are very important, because with them can the cold storage become a real cold storage.