LG Compressor QP442PBC

08/05/2020

The difference between the three types of evaporators dry, flooded, and falling film evaporators

The refrigerant in the dry evaporator passes through the heat exchange tube, and the cold water runs outside the high-efficiency heat exchange tube. Such a heat exchanger has relatively low heat exchange efficiency,

08/02/2020

New refrigerant R450A is used for performance study of ejector refrigeration cycle

The new refrigerant R450A is a substitute for R134a, which is environmentally friendly and reliable. There are still few studies on it.

06/13/2025

How to Test a Crankshaft Position Sensor?

The crankshaft position sensor (CKPS) is a magnetic induction sensor with 58 slots on the crankshaft

12/03/2021

Use of Differential Pressure Transmitter and Common Troubleshooting

Differential pressure transmitter is a kind of pressure measuring instrument widely used in all kinds of chemical industry.

08/16/2020

What are the basic conditions needed to install industrial chillers

With the continuous development of society, many companies have a great demand for refrigeration. The continuous development of science and technology also makes companies

02/12/2024

Range Hoods: Basic Knowledge and Analysis of Related Common Problems

Range hood, also known as extractor hood, is a kitchen appliance that purifies the kitchen environment. It is installed above the kitchen stove.

07/19/2020

Refrigerant filling operation method of centrifugal chiller

The centrifugal chiller refrigeration compressor after completing the work procedure of filling the frozen lubricating oil, the next step should be the refrigerant filling operation, the method of operation is: (1) using copper pipes or PVC (polyvinyl chloride) pipes One end is connected with the filling valve at the lower part of the evaporator, and the other end is connected with the top joint of the refrigerant storage tank to ensure good sealing.

09/03/2020

Rely on reliable oil-free air solutions to become a committed enterprise!

As one of the largest connector manufacturers in the world, Amphenol Group's products cover the communications market and information processing market, including cable television, mobile phones and data communications, information processing systems, aerospace, military electronics, automobiles, and railways.

08/16/2020

What are the precautions for installing the piston ring of ammonia refrigeration accessories

Piston ring is a small part of piston compressor in ammonia refrigeration system. It is used as a metal ring for sealing inside the piston. The piston ring includes a gas ring and an oil ring. It may seem small but it plays an important role.

06/29/2020

How the compressor works