Danfoss Compressor SM147A4XR

07/07/2020

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

08/02/2020

Basic principles of data center cooling and energy saving solutions

Each data center has its own characteristics, so there is no technical solution that can be applied to any data center. This document mainly discusses some basic principles and technical issues in data center cooling and energy saving.

07/27/2020

The advantages and disadvantages of 5 central air-conditioning compressors are big PK

Do you know the advantages and disadvantages of piston compressors, rolling rotor compressors, scroll compressors, screw compressors, and centrifugal compressors? This article explains these 5 compressors in detail.

06/14/2020

How to repair the air conditioner compressor failure

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08/08/2020

How to choose a multi-effect evaporator

How to choose a multi-effect evaporator The selection of a multi-effect evaporator is mainly selected from the number of effects, the selection of the exhaust steam condenser, and the process. Finally, determine the heating area of ​​the evaporator.

02/02/2023

How to Reduce Gear Noise?

During gear transmission, gears scrape and contact each other, and repeatedly, resulting in noises.

09/08/2020

How much do you know about the operation of air compression system

According to the "Limited Values ​​and Energy Efficiency Grades of Positive Displacement Air Compressors" standard GB19153-2009, the input specific power values ​​of each energy efficiency level of screw air compressors can be found (the input specific power represents the specific exhaust pressure and flow rate range

06/29/2020

Compressor oil change index

Compressor oil change index The general indicators for determining whether the refrigeration oil can continue to be used are: appearance, viscosity, acid value, moisture, pour point, flash point, compressive strength, copper corrosion, mechanical impurities and insolubles.

08/28/2020

Why should you use a real oil-free air compressor

There have been a lot of discussions and reports on the issue of oil in compressed air. Some people believe that for some processes and final products, the air used can contain a certain amount of oil,

03/23/2023

Common Faults, Reasons of Faults, and Solutions of Vacuum Pump

common faults like falling vacuum degree, abnormal operation, even being jammed, large noises and oil leakage resulting from not well-sealed pump body appears in the operation