OBO Surge Protection Device FRD 5 HF

06/24/2020

What is the solution of air conditioning not cooling

There are many reasons why the air conditioner is not cooling. For example, if the air conditioner refrigerant is insufficient, you can find a professional to add snow; secondly, it may be caused by the error of the air conditioner installation, such as the ventilation pipe is too long. It is recommended to shorten the length of the ventilation pipe; A lot of dust stains accumulate on the radiator and cause no cooling. It is recommended to clean the air conditioner.

07/07/2020

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

09/08/2020

Inverter air compressor price, brand, quality which is the most important

Which is the most important of the price, brand and quality of the inverter air compressor? There are certain connections among the three, and there are also certain contradictions. At present, the frequency conversion air compressor should be regarded as a sweet pastry in the industry.

08/20/2020

What are the protection devices of industrial chillers

Industrial chiller is a kind of water cooling equipment that can provide constant temperature, constant current and constant pressure cooling equipment. The principle of the chiller is to inject a certain amount of water into the internal water tank of thﰸ2䀀

08/24/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the expansion water after the system is heated, and plays the role of exhaust in the natural circulation up-and-down system.

09/08/2020

5 energy-saving advantages of permanent magnet variable frequency air compressor

With the continuous progress of society and the development of science, energy conservation has become more and more a topic of concern. Permanent magnet variable frequency air compressors have been used more and more in industrial production, and power frequency-driven air compressors have gradually withdrawn from the attention of users.

04/15/2022

What is A Thermal Mass Flowmeter?

TMF is the abbreviation of thermal mass flowmeter. The thermal mass flowmeter can also be called the thermal gas flowmeter.

08/19/2020

Why can a chiller with superior environmental performance reduce the cost of use

Many companies need a low temperature environment when completing production tasks. Because companies use air-cooled chillers to reduce the environmental temperature, the cost is relatively low, and they are very suitable for long-term use by companies.

06/14/2024

Pneumatic Solenoid Valve vs. Hydraulic Solenoid Valve: Working Principle, Features, Applications

In the field of industrial automation, hydraulic solenoid valves and pneumatic solenoid valves are two very important control components.

09/08/2020

A table to distinguish the difference between the original, high imitation or replacement of the empty compressor accessories

Many friends in the air compressor industry are discussing some accessories in the after-sales market, especially when agents are doing repairs and maintenance, they generally choose three types of accessories, original, high imitation and replacement.