PALL Filter HC8314FCT39H

04/14/2025

How to Add Refrigerant to an Air Conditioner: A Step-by-Step Guide

Maintaining the proper refrigerant levels in your air conditioner is crucial to ensure efficient cooling and optimal performance.

07/05/2020

Inverter compressor and Hitachi

Inverter compressor and Hitachi What sparks can be produced by the combined use of electronic expansion valve and compressor? Electronic expansion valve and compressor are indispensable refrigeration accessories in refrigeration equipment and refrigeration equipment, and they are used together with high efficiency.

06/25/2025

Common Types of Refrigeration Compressors: A Comprehensive Guide

When mentioning refrigeration, everyone in this modern world may be familiar with it. People's daily use of air conditioners, refrigerators, whether small household or large commercial ones, are refrigeration appliances.

09/05/2020

Common sense of micro vacuum pump

The so-called vacuum refers to a gas state with a pressure lower than 101325Pa in a given space. In the vacuum state, the lean degree of gas is usually expressed by the pressure value of the gas. Obviously, the smaller the pressure value, the thinner the gas. There are various vacuum pumps in the industry. There are prescribed test methods for the performance of various pumps. The main parameters are:

11/08/2021

Guide of Siemens Pressure Transmitter: Features, Working Principle and Troubleshooting

Siemens pressure transmitter is a kind of equipment which converts pressure into pneumatic signal or electric signal for control and remote transmission.

04/01/2024

Top 9 Robot Servo Motor Manufacturers Worldwide

The booming development of the industrial robot industry has also led to the development of related upstream industries.

08/17/2020

How to adjust the refrigeration system of cold storage equipment to reduce operating costs

1. Reasonably adjust the operating parameters of the refrigeration system to improve equipment efficiency. 　　 The evaporating pressure and temperature of the refrigeration system and the condensing pressure and temperature are the main parameters.

07/23/2020

Why does refrigeration equipment particularly emphasize installation

Hidden danger 1: The refrigerant pipe enters dust and impurities<br></br> Dust and impurities in the refrigerant pipeline will cause the effect of the central air conditioner to decrease, increase the wear of the central air conditioner compressor, and cause the central air conditioner to block and affect the cooling effect.<br></br><br></br>

07/07/2020

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

09/09/2020

Harmfulness of air compressor motor direct full pressure start and the benefits of motor soft start cabinet

With the development of my country's economy, the application of motors is increasing, and people's attention is paid to the starting method of motors. Generally speaking, the motor soft start cabinet should be used when the motor power exceeds 30KW, otherwise it will seriously affect the operation of other equipment in the power grid and damage the motor itself.