KITZ Ball Valve 10FCTB DN50

08/07/2020

Air source heat pump purchase skills

Air source heat pump products can not only replace coal-burning stoves in rural areas for heating, but also replace urban thermal central heating.

04/03/2025

Servo Motor vs. Stepper Motor: Unraveling the Differences and Choosing the Right Fit

In the realm of automation and precision control, the choice between servo motors and stepper motors plays a pivotal role in determining the efficiency and accuracy of various systems.

06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

Scroll compressor:2020, or will usher in a dark moment

Scroll compressor:2020, or will usher in a dark moment In 2020, the market situation of scroll compressors is also not optimistic, and the entire industry may usher in a "dark moment."

09/18/2020

What are mineral oil, semi-synthetic oil and fully synthetic oil What is the difference between them

What are mineral oil, semi-synthetic oil and fully synthetic oil What is the difference between them Mineral oil (MineralLubricant) Mineral oil is a lubricating oil extracted from petroleum. The base oil of mineral oil is the bottom oil left over after the fractional distillation of useful light substances (such as aviation oil, gasoline, etc.) during crude oil refining. Into the product. Essentially, it uses the poorer components of crude oil. Mineral oil is currently the most common type of lubricant on the market.

08/06/2020

Root Causes and Prevention Methods of Coil Freezing Cracks of Air Conditioning Unit

Root Causes and Prevention Methods of Coil Freezing Cracks of Air Conditioning Unit<br></br> In general, the heat medium in the heat exchanger of the air conditioning unit is water (surface cooling: 7-12°C; heating 70-90°C or steam heating).

09/21/2020

Calculation and determination of gas consumption

The traditional method of determining the compressed air requirements of a new plant is to add up the air consumption (m3/min) of all air-consuming equipment, and then consider adding a safety, leakage and development factor

07/07/2020

Is the semi-closed screw compressor going up or down The views of these companies coincide

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

08/25/2025

How to Maintain the Solar Inverter Cooling Fan in Hot Weather?

Solar inverters are generally installed outdoors and are affected by natural factors such as sun, rain, sand, dust or high temperature.

09/21/2020

Development and application of centrifugal compressor for 10000m3h air separation plant

Since the advent of screw compressors in 1934, after decades of technological improvement, screw compressors have been widely used, especially in refrigeration.