Lovato Contactor SM1R0160

09/02/2022

The Working Principle of the Vacuum Contactor

The vacuum contactor uses the vacuum interrupter to extinguish the arc to frequently connect and cut off the normal working current.

06/14/2020

The difference between single and twin screw compressors is reflected in the following 6 aspects

The difference between single and twin screw compressors is reflected in the following 6 aspects

08/14/2020

Commissioning of the water system (heat source) of the air conditioning system-equipment commissioning

Water test operation of surface cooler and spray device in air conditioning unit. Check whether the pressure difference between the inlet pipe pressure and the outlet pipe pressure of the meter cooler is within the normal range and whether there is water leakage; whether the water trap of the meter cooler is installed correctly and whether the discharge is smooth.

03/14/2025

Hot Air Circulation Tunnel Dryers: Structure, Working Principle, Features and Application

Tunnel dryer is a common drying equipment. It is widely used in food, medicine, chemical and other industries.

03/03/2021

Application of servo motor

Machine tool manufacturing - lathe, planer, grinder, machining center, gear making machine, milling machine, etc Automobile manufacturing - engine parts production line, vehicle assembly line, engine assembly line, body welding line, testing equipment, etc Casting manufacturing - manipulator, converter tilting, mold processing center, etc

08/19/2020

Can the fresh air system, air purifier and air conditioner replace each other

1. Fresh air system 　　 Fresh air system is based on the use of special equipment on one side of a closed room to send fresh air to the room, and then discharge from the other side by special equipment to the outside,

02/05/2025

The Difference between Hermetic and Semi-Hermetic Compressors

The compressor is the primary equipment in the refrigeration system. It converts electrical energy into mechanical energy, compresses low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas, and ensures the cycle of refrigeration.

06/14/2020

Thermal expansion valve

Thermal expansion valve Thermal expansion valves are commonly used in Freon refrigeration systems. Through the function of the temperature sensing mechanism, they automatically change with the temperature change of the refrigerant at the outlet of the ev器2䀀
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06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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07/07/2020

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