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Compressor,and its types:-Hermetically Sealed Compressors and Semi-Hermetically Sealed Compressors.

Compressors are mechanical devices that are used to increase the pressure of a gas or vapor by reducing its volume. There are various types of compressors available in the market, each with its own unique features and advantages. Two of the most commonly used compressors are Hermetically sealed and Semihermetically sealed compressors.


Hermetically Sealed Compressors:-

                                                A hermetically sealed compressor is a type of compressor that is completely sealed and is designed for small applications like refrigeration and air conditioning units. The hermetic compressor is called so because its motor and compressor are placed in a single sealed casing. The casing is welded or brazed shut, which prevents any gas or liquid from leaking in or out of the compressor. The hermetically sealed compressor is also known as a ‘sealed compressor’ or a ‘closed compressor.’ These compressors are often used in refrigeration systems and air conditioning units due to their high efficiency, low noise levels, and easy maintenance.




Semi-Hermetically Sealed Compressors: 

                                                              A semi-hermetically sealed compressor is a type of compressor that is similar to a hermetically sealed compressor, except that the casing can be opened for maintenance or repairs. In a semi-hermetic compressor, the motor and compressor are housed in a casing that can be opened and closed by the manufacturer or technician. This type of compressor is commonly used in larger applications like commercial refrigeration and air conditioning systems. The semi-hermetic compressor offers greater flexibility in maintenance and repair but can be slightly less efficient than a hermetically sealed compressor. Both Hermetically and Semi-Hermetically sealed compressors have their advantages and disadvantages. The choice of compressor depends on the specific application, and it is essential to consider factors like energy efficiency, maintenance requirements, and noise levels before making a decision.




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