Danfoss Compressor SZ175A9VO

11/07/2022

What is an Electronic Expansion Valve?

The electronic expansion valve is a kind of the expansion valve. It uses the electrical signal generated by the adjusted parameters to control the voltage or current applied to the expansion valve, thereby achieving the purpose of adjusting the liquid supply.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/03/2020

HVAC essential! Three steps to accurately calculate the cooling capacity of central air conditioning

The cooling capacity calculation of central air-conditioning is divided into three steps: 1. Calculate the actual cooling capacity required: Calculate according to the practical area of ​​the room (carpet area, the floor area of ​​the home can be deducted from the floor area); 150 watts per square meter;

08/13/2020

Popularization of cold chain technology analysis of the advantages and disadvantages of 5 types of compressors

There are mainly five types of compressors, piston compressors, rolling rotor compressors, turbo compressors, screw compressors, and centrifugal compressors. This article briefly introduces the advantages and disadvantages of various compressors.

08/17/2020

What is the reason for the excessive leakage of the refrigeration compressor

1. Insufficient oil flow, increase the oil supply appropriately; 　　2, the assembly sequence of the refrigeration compressor stuffing box is unreasonable and should be assembled according to the procedure;

08/02/2020

Is the length of the air conditioning copper pipe as long as possible

Air conditioners are a very common electrical appliance at home. After buying an air conditioner, many people will find the manufacturer's master to install it. After all, this kind of professional electrical installation project is still relatively complicated

07/08/2020

Global Piston Compressor Market 2020 – Ariel, Siemens, Atlas Copco, Kobelco, Burckhardt Compression, Ingersoll Rand, Howden, Hitachi, Shenyang Yuanda

Post dateJuly 7, 2020 Global Piston Compressor Market report delivering key insights and providing a competitive advantage to clients through a detailed report. The rapidly changing market scenario and initial and future assessment of the impact is covered in the report. The report contains pages which highly exhibits on current market analysis scenario, upcoming as well as future opportunities, revenue growth

09/24/2022

How to Choose a Gear Pump?

When selecting and using gear pumps and gear motors, the indicators of various technical performance parameters should be strictly controlled within the specified scope of the instruction manual.

06/14/2020

Central Air Conditioning Maintenance: Basic Procedure for Chiller Failure Treatment

In order to ensure the safe, efficient and economical long-term normal operation of the chiller, it is very important to discover the hidden dangers of failures as early as possible during its use. Today, the editor of Service will give you an analysis o器2䀀
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05/20/2022

5 Common Faults and Solutions of Air Cylinders?

Cause 1: The guide sleeve, rod seal ring or piston rod are worn. Solution 1: Replace it. Improve lubrication. Use guide rails.