Hitachi Compressor CDL211SV-B5M

06/29/2020

Several causes of compressor burning

09/08/2020

Is air compressor lubricating oil the more viscous the better

Air compressor lubricating oil has many functions and effects such as cooling, sealing, lubrication, etc. It is a necessity during the use of air compressors. The good lubrication effect can not only give full play to the overall efficiency of the air compressor unit in operation, improve the efficiency of the equipment, but also reduce the failure rate and reduce the maintenance cost.

08/16/2020

Professional answer How to cool the air-cooled chiller

According to the cooling method, industrial chillers can be divided into water-cooled chillers and air-cooled chillers. Technically, water-cooled chillers have an energy efficiency ratio of 300 to 500 kcal/h higher than air-cooled chillers;

09/08/2020

Technical advantages of precision filters in compressed air systems

As we all know, the air contains many kinds of elements: water, rust, particulate dust and oil. These impurities will cause great loss to industrial production tools, so these impurities in the air must be removed.

09/26/2023

Types of Water Chillers (Chiller Basics, Condenser Type and Compressor Type)

Water chillers are machines that are used to cool water and maintain a specific temperature for various industrial processes.

07/18/2020

Classification and main performance of HVAC chillers

Commonly used chillers are divided into piston type, screw type, centrifugal type, and vortex type chiller according to the type of refrigeration compressor used. Their evaporators and condensers generally use shell and tube heat exchangers, the throttling device uses thermal expansion valves, the refrigerant is freon

06/14/2020

Inspection method of screw refrigeration compressor (technical sharing)

Inspection method of screw refrigeration compressor (technical sharing) 1. Disassembly 　　 Before the screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply. The pi器2䀀
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01/16/2021

What is the reason why the refrigerator compressor heats and does not cool

Principle of refrigerator compressor 　　Currently household refrigerators and air conditioner compressors are positive displacement, which can be divided into reciprocating and rotary. The rotary type uses a rotating shaft crank mechanism. According to th器2䀀
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08/13/2020

Four types of safety protection measures for refrigeration compressors

As the most important component of the chiller, the motor for the refrigeration compressor plays an important role in the after-sales maintenance of the chiller. Moreover, the maintenance cost of the chiller compressor is relatively high.

07/15/2020

About the built-in pressure relief valve (IPR valve) of Copeland compressors

About the built-in pressure relief valve (IPR valve) of Copeland compressors Among the built-in protection devices of Copeland compressors ZB15-ZB48, ZF06-ZF25, there is a small pressure protection device called built-in pressure relief valve (IPR valve). Below we briefly talk about the work of the built-in pressure relief valve.