PIZZATO Switch FM 2250

08/18/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.

09/07/2020

The reason why permanent magnet compressor replaces electric tiger

Energy conservation is the theme of the development of this era. In this era, we will regard energy conservation as a reference value no matter what products we buy. In the past two years,

11/21/2024

Types of EGR Valves with Working Principle Diagrams

The EGR (Exhaust Gas Recirculation) valve is a device used to reduce diesel engine emissions. It can send part of the exhaust gas back into the intake passage, thereby reducing the generation of nitrogen oxides (NOx).

12/01/2022

The Constitution of a Linear Guideway

The linear guideway, also called the linear guide, is used for high-precision or high-speed linear reciprocating motion.

03/25/2025

Knowledge of two air conditioners the same and different between evaporator and condenser

Condenser and evaporator are heat exchangers, which are widely used in refrigeration systems of high and low temperature alternating damp heat test chambers, constant temperature and humidity test chambers and other equipment.

08/14/2020

Air conditioner repair-come here

I learned from a senior air conditioner repairer that we can judge the general failure of the air conditioner by observing the characteristics and operation of the air conditioner.

08/22/2023

How Does a Pool Heater Work? (4 Types Pool Heaters Explained)

If you own a swimming pool, you know that keeping the water at a comfortable temperature is essential for an enjoyable swimming experience. One popular method of heating a pool is through the use of a pool heater.

09/06/2020

Discussion on air filtration detection technology

With the increase of smog in the north, filtration and purification industries such as air purification and fresh air have ushered in a new spring, which also detonated the entire filter industry.

07/07/2020

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

07/04/2022

What is a Magnet Pump?

Magnet pumps are seal-less pumps that use the technology of a drive magnet and inner magnet connected to an impeller to move fluid through the pump.