PIZZATO Switch FS 2898D024

07/10/2020

Hitachi

Hitachi original place：Japan Brand introduction: Hitachi was established in 1910. In the industry, it is a diversified enterprise integrating household appliances, computer products, semiconductors, industrial machinery and other products.

08/22/2022

Some Common Questions about Motor Torque

Motor torque is simply the amount of force used to turn a motor.

09/11/2020

Summary Essentials of water treatment for central air-conditioning chillers

Looking at the management of central air-conditioning throughout the country, it is found that very few are well managed, and all have problems of one kind or another to varying degrees. The main problems are described as follows: 1. Problems caused by the unreasonable design of the design department

08/19/2020

How to use refrigerant in industrial refrigerator

Refrigerant is an indispensable part of industrial refrigerators, and it acts like blood in the human body. Since various refrigerants have different physical and chemical properties, they have different saturation pressures at different temperatures.

06/23/2025

What is Configuration Software? - HMI/ MMI/ SCADA

Configuration software is a control system composed of HMI (Human and Machine Interface) / MMI (Man and Machine Interface)/ SCADA (Supervisory Control and Data Acquisition).

06/29/2020

How the compressor works

09/08/2020

Relevant introduction of membrane compressed air dryer

The membrane dryer is a compressed air drying device that uses the difference in membrane permeability of compressed air to realize the separation of moisture from air and water, thereby obtaining dry compressed air to meet user requirements.

06/29/2023

The Inner Workings of Inverter ACs: How They Save You Money and Keep You Comfortable

Air conditioning is an essential part of modern life, especially in hot and humid climates. However, traditional air conditioners can be very inefficient, consuming a lot of energy and driving up electricity bills.

08/11/2020

Hello everyone, let me introduce to you, what does the standard central air conditioning budget list look like

The standard central air-conditioning budget is roughly composed of three parts: a configuration table, a specific quotation and a detailed list of auxiliary materials.

09/10/2020

The status quo and development trend of China's gate valve market

Gate valves have the longest history of use, and are still used in various countries around the world, especially below DN300mm, which still dominate in various types of valves. The characteristic is that the pressure difference between the front and rear of the valve plate forces the valve plate to press on the valve seat on the right side of the outlet, with good sealing performance, and when the valve plate is fully opened, the pressure loss is small because the valve plate does not remain in the flow path. Used to cut off the medium in the pipeline.