Danfoss Compressor SH281B3ABY

09/11/2020

Selection skills of single screw pump

The professional senior engineer of the air compressor construction machinery leasing company told everyone that the specification of the single screw pump is determined by the nature, flow and pressure of the liquid to be transported, and the speed of the pump is determined by the viscosity and corrosiveness of the liquid. The selection of parameters can ensure the reliable operation of the pump.

09/22/2020

Thyristor solid medium voltage soft starter

I. Overview In our country's coal mine, petroleum, chemical industry, steel, power generation, water supply, cement building materials and other fields, there are a large number of 3KV, 6KV, 10KV and other voltage levels of medium and high voltage AC asynchronous motors. A large part of them do not require speed regulation, but need to solve the starting problem of these high-voltage large motors.

07/07/2020

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

08/14/2020

How to deal with moldy cold storage accessories

1. Analyze the reasons<br></br> 　　 Inspect the entire refrigeration system to confirm the cause of frost damage and find out the leaks

08/15/2020

Steps to determine the cause of the failure of the thermal expansion valve

1. When the refrigerant of the refrigeration system leaks completely, or there is no refrigerant flowing through the thermal expansion valve due to other reasons, the valve body of the thermal expansion valve will not be frosted.

08/06/2020

14 common cold and heat sources and the principles and introduction of air conditioning systems, increase knowledge!

At present, more air-conditioning forms are used. After more than a century of development, there are various forms of refrigeration hosts, which have the advantages of high refrigeration efficiency. It has the following characteristics

12/29/2021

Where is Servo Motor and Servo Drive Used?

With the development of information, communication and automation technology, a wide variety of automatic control devices have been used in industry production and daily life of modern world.

07/22/2022

How to Prime a Water Pump

Water pumps will run out of pressure and stop working if turned off for an extended period of time, such as over the winter.

06/14/2020

The application of photovoltaic central air-conditioning technology will continue to extend

The application of photovoltaic central air-conditioning technology will continue to extend The "Renewable Energy Power Quota Assessment Measures (Trial)" has been discussed and approved in principle by the National Development and Reform Commission's diﰸ2䀀

08/17/2020

Five elements for safe use of liquid ammonia refrigeration equipment

In recent years, liquid ammonia leakage accidents have occurred frequently, leading to many tragedies. In order to prevent similar accidents, the editor of okmarts.com today takes everyone to understand the five major elements that need attention in the u碌7館2䀀締眪湠眷VV㠠ǝ