NKK Switch M2B25AA5G30-FC

07/07/2020

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

09/08/2020

The life of air compressor bearings and the causes of damage

If the air compressor loses one bearing or does not pay attention to the correct use of the bearing, the air compressor will not be able to operate normally, and it will greatly shorten the service life of the bearing, which will bring us unnecessary losses.

06/10/2025

What are the energy saving methods for air compressor systems

Facing the challenges of global climate change and environmental ecology, countries and industries in the world are actively taking action to find a way for energy-saving development.

07/24/2020

Air conditioning system fault diagnosis guide (part 2)

This article continues from the previous article: A Guide to Fault Diagnosis of Air Conditioning System (Part 1) During the intense heat, air-conditioning maintains the "life" of some people. People are afraid of heat that they can't live without air-conditioning.

08/18/2020

Cooling method of water-cooled chiller

Air-cooled chillers and water-cooled chillers are used for outdoor installation and operation. The air-cooled machine is directly circulated by air mechanically, and the machine's condensing coil directly expels the heat and cools it by atmospheric air.

06/14/2020

Today, a user who came to repair a display cabinet said that the compressor of the freezer sometimes works and sometimes does not work

Today, a user who came to repair a display cabinet said that the compressor of the freezer sometimes works and sometimes does not work.

07/18/2020

reasons why the constant temperature and humidity test chamber does not cool

1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil damage the suction valve plate when the gas is sucked into the cylinder of the compressor, and it is produced when the piston is compressed when the piston is close to the top dead center and is not quickly discharged during the exhaust process after entering the cylinder.

09/17/2020

Cost Control

How to control costs Every company expects to reduce production costs to meet customer needs, in order to adapt to today's era of fierce competition and low profits. How to reduce costs, improve production efficiency, improve quality, and eliminate waste in the manufacturing department has become one of the important criteria for measuring whether an enterprise has a competitive advantage;

05/20/2022

5 Common Faults and Solutions of Air Cylinders?

Cause 1: The guide sleeve, rod seal ring or piston rod are worn. Solution 1: Replace it. Improve lubrication. Use guide rails.

08/20/2020

Methods of handling sudden failures of precision air conditioners

1. Leakage treatment steps for precision air conditioning units 　　Leak handling operation precautions: Never destroy the vacuum artificially. If it is not certain that the unit has indeed leaked air into the unit, operation cannot be performed.