Nemicon Encoder NOC-H20-2MWT

07/07/2020

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

07/18/2020

Working condition and adjustment of refrigeration system of low temperature chiller

Working condition and adjustment of refrigeration system of low temperature chiller Refrigerators are now widely used in the refrigeration industry, and the refrigerant is usually R22 (also R404a). In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor, oil separator, water-cooled shell and tube condenser, filter drier

08/28/2020

Analysis of working principle of screw air compressor oil system

The oil circuit system of screw air compressor includes oil tank, oil cooler, oil filter, oil cut valve, temperature control valve, etc.

01/05/2021

Screw compressors and expanders

Screw compressors and expanders From Nikola Stosic, ... Ahmed Kovacevic, in Positive Displacement Machines, 2019 Rotor proportions A general feature of screw compressors is that the pressure difference through them causes high rotor loads and 器2䀀
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02/19/2024

Understanding and Resolving the Issue of Furnace Blowing Cold Air and Won't Shut off

Winters bring a sense of coziness as we rely on our furnaces to keep our homes warm and comfortable. However, discovering that your furnace is blowing cold air and refusing to shut off can be a cause for concern.

05/30/2025

Air Curtain 101: Working Principle, Types, Function, Application and Selection

Air curtain, also called air door curtain, air door, is mainly installed at the entrances and exits of public places with air-conditioning environments.

08/13/2020

Cold storage refrigeration equipment cleaning sequence

In every well-designed and well-installed refrigeration installation, it is rare that the built-in electromechanical insulation layer is damaged and the electromechanical destruction is caused.

09/05/2020

Ten points to judge the pros and cons of inverter products!

The technical grade of the frequency converter is gradually developed and formed. With the improvement of use requirements and the development of technology, the quality of the device, the expansion of functions, and the progress of automation technology, it will gradually advance.

12/02/2021

Calibration of Rosemount Transmitter

When adjusting the transmitter, please turn off the protection setting, which is usually the red switch in front of the meter and its status may be ON or OFF.

09/06/2020

What kind of bearing cannot continue to be used and needs to be replaced with a new bearing

To determine whether the bearing can be used again, it should be decided according to the bearing damage level, mechanical performance, importance, operating conditions, inspection cycle and other related factors.