Nidec Fan M34650-68

06/29/2020

Compression ratio of American Copeland compressor

06/28/2020

In a few words, make it clear how strong the Hitachi central air-conditioning compressor is

In a few words, make it clear how strong the Hitachi central air-conditioning compressor is After seeing many posts on the compressors of Science Hitachi, various parameters and terminology simply summarize the following points

07/21/2020

Ten basic performance parameters of refrigeration compressors (technology sharing)

　　Under a certain working condition, the gas mass delivered from the suction end to the discharge end per unit time is called the compressor mass air delivery under this working condition, and the unit is. If calculated according to the volume of the inhalation state, the volume of the air delivery is, and the unit is then

07/22/2020

Carrier screw compressor motor repair

Carrier screw compressor motor repair<br></br> <br></br> Performance characteristics<br></br> <br></br>  Use of chlorine-free refrigerant HFC-134a;<br></br> <br></br> 06N twin screw compressor achieves high full load efficiency;<br></br> <br></br>  Use flooded evaporator and condenser to enhance heat exchange efficiency;<br></br> <br></br>  Using electronic expansion valve, precise control;<br></br>

07/31/2020

Five common problems of refrigeration system

Trouble phenomenon: The cooling effect of the whole machine is poor, the water outlet is only slightly cool, and the pressure on the high pressure side and the low pressure side are found to be low when checked with the manifold pressure gauge (under the normal speed of the compressor

08/13/2024

16 Common Faults and Troubleshooting Methods of Cold Storage Refrigeration Equipment

[Fault analysis] After the refrigerant leaks in the system, the cooling capacity is insufficient, the suction and discharge pressures are low, and a much larger intermittent "squeaking" airflow sound can be heard at the expansion valve than usual.

07/18/2020

Process and cause of liquid shock in piston refrigeration compressor

Piston refrigeration compressor liquid hammer process and reasons for liquid hammer 1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil is sucked into the compressor cylinder with the gas and damaged the suction valve plate

08/17/2020

Precautions for the safe use of chillers

In order to ensure the safe operation of the chiller and protect the personal safety of the staff, the operator must be familiar with the knowledge of the safety management of the chiller. Please read it carefully before using the chiller.

09/11/2020

Introduction to cleaning and maintenance of temperature control valve of okmarts.com air compressor

The composition of the temperature control valve of okmarts.com air compressor: The temperature control valve is composed of valve body, valve core, temperature sensing element, spring, etc.:

06/27/2020

The sign of the normal operation of the refrigeration unit

The sign of the normal operation of the refrigeration unit 1. There is no knocking sound in the piston refrigeration compressor, the compressor is operating normally, the expansion valve opening is adjusted properly, and there is only compressor suction and exhaust sound during operation, and no knocking or other abnormal sounds are produced.