ABB Electric Motor M2BAX71MB2

09/07/2020

Dry air compressor sales, please keep these seven words in mind!

【move】 　　 Work does not raise idlers, and the team does not raise idlers. 　　Go every day, not afraid of thousands of miles; 　　 Do it often, not afraid of everything.

07/21/2020

Analysis of the application advantages and disadvantages of the five major refrigeration compressors

At present, semi-hermetic piston compressors are mostly used in the cold storage and freezing and refrigeration markets (commercial refrigeration and air conditioning are also useful, but they are relatively less used now). The semi-enclosed piston cold storage compressor is generally driven by a four-pole motor, and its rated power is generally between 60-600KW. The number of cylinders is 2-8, up to 12.

06/29/2020

Compression ratio of American Copeland compressor

01/23/2025

How to Test a Wheel Speed Sensor?

The wheel speed sensor is used to test the wheel speed of a car. For modern vehicles, wheel speed is essential.

03/15/2023

Four Characteristics of Water Pump in Energy Conservation

As we all know, the impeller is an important component in the composition of centrifugal pump that determines the water volume and head.

06/24/2020

Reasons and solutions of refrigerator not cooling

In the use of refrigerators, when there are more or less problems, I believe many people have encountered the reason why the refrigerator at home does not cool. What will you do when you encounter this situation? How much do you know about the reasons for the refrigerator not cooling? What? The following editor will introduce the reasons and solutions for the refrigerator not cooling, I hope to help you.

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.

06/20/2020

Common fault phenomena, causes and elimination methods of piston compressors

Common fault phenomena, causes and elimination methods of piston compressors 　　Common faults of piston compressor (1) 　　 Phenomenon: the compressor cannot start Reasons: 1. Electrical circuit failure; 2. High and medium voltage relay and oil pressure relay are disconnected.<img src="{{media url=&quot;Common_fault_phenomena_causes_and_elimination_methods_of_piston_compressors.jpg&quot;}}" alt="" />

08/16/2023

Pros and Cons of Heat Pump vs Gas Furnace: Which is Better for Your Home?

As winter approaches, many homeowners are faced with the question of which heating system to choose for their home. The two most popular options are heat pumps and gas furnaces. Each has its own set of advantages and disadvantages.

08/24/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the expansion water after the system is heated, and plays the role of exhaust in the natural circulation up-and-down system.