C&U Bearing TDNU215EM

08/19/2020

How to solve the drainage problem of window air conditioner

Although window air conditioners are not common in life, some consumers still use them. We should also have some understanding of window air conditioners. Compared with split air conditioners

09/17/2025

Common Faults and Troubleshooting of Gear Pumps

Gear oil pump can be used as oil transfer pump, lubricating pump, booster pump, and fuel pump, suitable for hydraulic systems of machine tools

05/11/2022

What is PLC?

Programmable logic controller (PLC) is a digital operation electronic system specially designed for application in industrial environment.

08/14/2020

What are the performance advantages of air-cooled chillers

The rapid development of the refrigeration industry has brought a lot of convenience to people's lives, especially in the chemical and medical fields, and the demand for chillers in the food field is higher.

07/23/2020

The damage of air-conditioning refrigeration compressor and its preventive measures

An 82000DWT bulk carrier of a shipping company broke down on the 7th day after leaving the factory. The crew described that when it started, the air-conditioning refrigeration compressor could not run continuously, and a large current occurred and an alarm was triggered.

07/15/2020

Installation, selection and adjustment of air conditioner flow switch

Water flow switches are also called flow switches. Water flow switches are widely used in water systems of chillers and air conditioning projects. It can ensure the safe and efficient operation of air conditioning systems.

08/15/2020

How to correctly remove the ammonia refrigerant when repairing refrigeration parts

In the process of maintenance of the refrigerator, if there is a fault in the system components from the compressor exhaust shut-off valve to the accumulator outlet valve

12/17/2022

How to Fix a Damaged Memory Card?

Memory cards are very convenient for data storage and transfer. What should we do if we find that our memory cards are damaged

06/14/2020

Screw compressor overhaul

Screw compressor overhaul Screw compressor overhaul, normal working condition of refrigeration system in operation: 1. The suction temperature of the compressor should be 5-15 ℃ higher than the evaporation temperature; 2. The discharge temperature 器2䀀
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07/07/2020

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