TOKYO KEIKI TOKIMEC Solenoid Valve DG4V-3-521C-M-U7-H-7-54

08/15/2020

The main cause of cold storage fire is cold storage installation or cold storage construction

In recent years, we have seen a lot of news about cold storage fires. Once a cold storage causes a fire, it will not only cause economic losses to us, but also may cause safety problems.

08/08/2020

VRV air conditioning system, do you know

1.Principle of VRV system The variable refrigerant flow (Varied Refrigerant Volume, VRV) air-conditioning system is a refrigerant type air-conditioning system. Heat exchanger, compressor and other refrigeration accessories, the end device is an indoor uni–ﰨ2䀀湠疖VǜV
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12/13/2021

How to Add Encoder to Stepper Motor

When the current flows through the stator winding, the stator winding produces a vector magnetic field. The magnetic field will drive the rotor to rotate an angle, so that the direction of magnetic fields of the rotor is consistent with that of the stator.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

06/14/2020

What does the air conditioning cooling capacity mean

In addition to the different size of the air conditioner, the important indicator is the cooling capacity. The cooling capacity refers to the total amount of heat removed from the confined space, room or area per unit time when the air conditioner is perf器2䀀
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06/14/2020

Screw refrigeration compressors are prone to these types of failures, have you ever encountered them

1. Fault type 1. Abnormal compression ratio 2. Low condenser efficiency and failure 3. Low evaporator efficiency and failure 4. Failure of the oil system 5.Electrical failure

08/31/2020

Clean and dry compressed air drives the success of FCB

Compressed air is an important aspect of craft beer brewing, and no one knows this better than FCB (Five Churches brewing). FCB recently purchased and installed a suitable compressed air system from MACI (MidState Air Compr essor Inc.) for almost all aspects of beer production, including brewing, canning and barrel washing.

06/14/2020

Air Conditioner Using Labor to Welcome Labor Day

Air Conditioner Using Labor to Welcome Labor Day Climb to the cooling tower on the top floor, wash the cold plates and litter with a brush and high-pressure water gun, wash the pipes, filter cover, filter, surface cooler in order to sterilize and kill alﰸ2䀀
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10/14/2025

Differences between a Contactor and a Relay

The contactor and the relay are all control devices used in electric circuit. But they cannot replace each other. The followings are the main differences between the two.

08/27/2020

Brief Discussion on Monitoring of Safety Protection Device of Mine Air Compressor

In the process of monitoring and inspecting the safety of air compressors in mining enterprises, the author found that more than 90% of the equipment was not equipped or not fully equipped with the temperature and pressure protection devices that should be configured.