HIWIN Linear Guideway HGH55HAZAC

08/06/2020

Root Causes and Prevention Methods of Coil Freezing Cracks of Air Conditioning Unit

Root Causes and Prevention Methods of Coil Freezing Cracks of Air Conditioning Unit<br></br> In general, the heat medium in the heat exchanger of the air conditioning unit is water (surface cooling: 7-12°C; heating 70-90°C or steam heating).

08/12/2020

Problems that should be paid attention to when selecting plate heat exchanger

1. Board type selection<br></br>　　 　　The plate type or corrugated type should be determined according to the actual needs of the heat exchange occasion.

08/17/2020

How to make the service life of ground source heat pump air conditioner longer

For villa owners who have installed ground-source heat pump air-conditioning and floor heating for villas, they may be more concerned about how to use them correctly while extending the life of ground-source heat pump air-conditioning.

08/19/2020

Eight installation steps of central air conditioning

The installation and purchase of central air conditioners are equally important. Central air conditioners have good materials and without good construction techniques, which will also affect the use of air conditioners

06/14/2020

The reasons for the high temperature of the compressor discharge are

The reasons for the high temperature of the compressor discharge are (1) The clearance in the compressor cylinder is too large; (2) The suction and exhaust valves and piston ring of the compressor are damaged; (3) The compressor safety bypass valve器2䀀
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09/07/2020

Detailed explanation of common compressed air purification equipment

Commonly used compressed air purification equipment includes gas storage tanks, dryers (refrigerated and filters), and filters. 　　一: Gas tank

07/01/2022

Types of Check Valve

Depending on the design of the check valve, they will operate slightly differently. The most common check valve is a spring loaded in-line check valve, however, we will discuss multiple types below.

03/21/2024

DC Servo Motor: Working Principle, Pros ＆Cons, Speed Adjustment Methods and Application

DC servo motor is a high-precision, high-speed, high-reliability motor that is widely used in various industrial fields. It controls the motor speed and position through a closed-loop control system, which can achieve extremely high motion control accuracy.

09/10/2020

The high-voltage inverter market has huge potential, expecting technological breakthroughs

The high-voltage inverter has a significant energy saving effect. Without changing the host equipment, only changing the speed can achieve an average power saving effect of 30%. Among them, the average energy saving rate of petroleum system is 38%, petrochemical system 46%, metallurgical system 42%, urban water supply and drainage system 45%, chemical industry System 24%.

07/07/2020

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