SEW Frequency Converter VFD MDV60A0550-5A3-4-00

09/01/2020

The most complete version｜Basic theoretical knowledge of compressed air (1)

1. Compression purpose 　　The basic purpose of gas compression is to deliver gas at a pressure higher than the original pressure. The original pressure level may vary from a very low absolute pressure (a few thousandths of a kilogram) to several thousand kilograms;

08/20/2020

Selection requirements for refrigeration piping parts of chillers

The accessories of the refrigeration pipeline of the chiller mainly include various valves and connectors. According to different refrigeration systems, chillers have different requirements for piping accessories.

08/09/2020

How to deal with the refrigerant leakage of precision air conditioner in computer room

As we all know, the power density of equipment in the computer room is high, so the volume heat is high. The computer room for exchange and data still needs to be continuously cooled by air-conditioning compressors to meet the environmental temperature requirements of communication equipment.

09/28/2022

What is a Sliding Vane Pump?

<strong>Sliding vane pump</strong> is also called vane pump, <strong>rotary vane pump</strong>, mainly composed of a rotor

07/09/2020

Global Refrigerant Compressors Market 2020 – Impact of COVID-19, Future Growth Analysis and Challenges | GMCC, Landa, Highly, Embraco, Panasonic

The Global Refrigerant Compressors Market report covers the adverse impact of COVID-19 (Corona Virus Disease 2019) on the global Refrigerant Compressors market. The Coronavirus (COVID-19) pandemic has brought several changes in the Refrigerant Compressors market conditions and have also affected every aspect the business sector.

06/14/2020

The application of photovoltaic central air-conditioning technology will continue to extend

The application of photovoltaic central air-conditioning technology will continue to extend The "Renewable Energy Power Quota Assessment Measures (Trial)" has been discussed and approved in principle by the National Development and Reform Commission's diﰸ2䀀

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/05/2020

What is the basis for the rated flow when selecting the filter

When selecting a filter, the rated capacity should not be selected according to the diameter of the pipe, but the nominal flow of the filter (nameplate flow) should be selected according to the volumetric flow of the compressed air passing through the filter.

08/09/2020

Configuration method of refrigeration equipment in air conditioning warehouse

1. Refrigeration system<br></br> Most of the refrigeration equipment of air conditioning storage adopts piston-type single-stage compression refrigeration system, using ammonia or Freon-22 as the refrigerant.

06/21/2020

Advantages of rolling rotor compressors_Disadvantages of rolling rotor compressors

Advantages of rolling rotor compressors_Disadvantages of rolling rotor compressors Rolling rotor compressor, also known as rolling piston compressor or fixed vane compressor, is a type of rotary compressor. <img src="{{media url=&quot;Advantages_of_rolling_rotor_compressors_Disadvantages_of_rolling_rotor_compressors.jpg&quot;}}" alt="" /> 　　Working principle of rolling rotor compressor 　　 Rolling rotor compressor is a volume type rotary compressor. The change of the working volume of the cylinder is achieved by the rolling of the cylindrical rotor of the cylinder in the cylinder by an eccentric device.