PILZ Controller Module PNOZ-V-3-S-FIX-24-VDC

09/05/2022

Types of Stepper Motors: Three Methods to Classify

Stepper motor uses electronic circuits to convert direct current into a multi-phase sequence-controlled current, and to supply power to coils at different times.

07/07/2020

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

08/12/2020

Four steps in the use of parallel compressors in cold storage

The use of parallel compressors focuses on four issues, as follows: 　　①Keep the oil level 　　② Countermeasures for liquid flood back 　　③Protection device and accessory parts device 　　④Confirmation of piping stress

09/10/2020

Application of screw air compressor in power industry

Electricity is one of the most important energy sources in a country, and it is also the lifeblood of national economic construction and daily life. No matter what form of power generation is used, compressed air is inseparable in the power station.

06/22/2020

Types of steam compressors_selection of steam compressors

Types of steam compressors_selection of steam compressors Types of steam compressors<img src="{{media url=&quot;Types_of_steam_compressors_selection_of_steam_compressors.jpg&quot;}}" alt="" /> 　　 1. Single-stage high-speed centrifugal blower This type of steam compressor is a relatively common steam compressor on the market. It can have a large air volume and pressure and can meet the needs of many working conditions. The single-stage high-speed centrifugal blower is designed with a ternary flow theory, and the whole structure of the fan is compact , And the technology is relatively mature. 2. Roots type steam compressor

08/08/2020

How to add R410A refrigerant

How to add R410A refrigerant The pressure of R410A is about 1.6 times higher than that of R22 refrigerant. Therefore, in the process of construction and after-sales service, if there is an incorrect operation, a major accident may occur.

05/09/2022

How to Clean Automobile Solenoid Valve?

Before removing the valve body from the bottom of the transmission, take extra care when removing the flat wire of the external solenoid valve.

09/16/2020

Check Valve PrincipleCheck Valve StandardCheck Valve Features

Check Valve Principle|Check Valve Standard|Check Valve Features|Check Valve Function|Check Valve Size Check valve is also called one-way valve or check valve, its function is to prevent the medium in the pipeline from flowing back. The bottom valve of the pump to close the water is also a check valve.

06/14/2020

Air-conditioning outside machine caught fire early in the morning, the police reminded to pay attention to the age of electrical appliances

Air-conditioning outside machine caught fire early in the morning, the police reminded to pay attention to the age of electrical appliances

08/16/2020

Refrigeration industry dry goods sharing How to choose air conditioning in summer to save money

The pace of summer is getting closer and closer to us, and domestic air-conditioning and refrigeration manufacturers are also preparing for market share competition.