Omron Switch D4N-9222

06/22/2020

Causes and judgement of centrifugal compressor surge

Causes and judgement of centrifugal compressor surge Causes of centrifugal compressor surge ①Flow<img src="{{media url=&quot;Causes_and_judgement_of_centrifugal_compressor_surge.jpg&quot;}}" alt="" /> Each centrifugal compressor corresponds to a curve between outlet pressure P and flow rate Q at different speeds n, as shown in Figure 2.

08/05/2020

How to solve the common old problems in the operation of chillers

In the pharmaceutical, food, chemical and other industries, process water cooling is required. The chiller has become a must-choice equipment for many industries.

06/18/2020

Main components of reciprocating compressor_Advantages and disadvantages of reciprocating compressor

Reciprocating compressor<img src="{{media url=&quot;wysiwyg/Main_components_of_reciprocating_compressor_1.jpg&quot;}}" alt="" /> 　　Reciprocating compressor refers to a type of compressor that reciprocates the piston or diaphragm in the cylinder to periodically change the volume of the cylinder and realize the pressurization and delivery of gas. It is a positive displacement compressor. According to the reciprocating components, it is divided into piston type and diaphragm type compressors.

06/14/2020

Technical status and development trend of refrigeration and air-conditioning compressors

Refrigeration machinery and air conditioning equipment play a very important role in the development of the national economy, the improvement of people's lives and the support of national defense equipment.

07/03/2020

Portable Oil Free Air Compressor Market Size 2020-2026 Review, Key Findings, Growth Strategy, Developing Technologies, Trends And Global Forecast By Regions

The Stationary Oil Free Air Compressor Market report includes overview, which interprets value chain structure, industrial environment, regional analysis, applications, market size, and forecast. This is a latest report, covering the current COVID-19 impact on the market. The pandemic of Coronavirus (COVID-19) has affected every aspect of life globally.

07/07/2020

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

09/09/2020

The characteristics of natural gas compressor and the introduction of CNG filling station

The main equipment of CNG filling station consists of compressor unit, metering device, gas purification dryer, gas storage device, charging sequence control panel, gas column, gas vending machine, etc. According to the different functions, it can be divided into three types: standard station, refueling mother station and refueling substation.

09/07/2020

Selection and comparison of various dryers in air compressor systems

In the air compressor system, the selection of the dryer should be determined in accordance with the dry air consumption, the dryness requirements of the air equipment, the pressure, the type of air compressor... and other factors.

07/30/2020

6 steps to maintain industrial chiller equipment

Preventive maintenance has the potential to make your heating and air-conditioning systems operate reliably and efficiently. You may not realize that regular maintenance is equally important to your industrial chiller.

08/13/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.