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Four Main Refrigeration Component Explained

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Refrigeration System: Compressor Condenser Evaporator Expansion Valve Low Pressure High Pressure Vapor Liquid

The refrigeration system consists of four main parts, each with a distinctive design intended to perform a task that is closely connected to the refrigeration cycle. NCCER identifies these components as critical devices for the proper functioning of the system.

  1. Compressor:
    In a refrigeration system, the mechanical device converts low-pressure, low-temperature refrigerant gas into high, temperature, high-pressure refrigerant gas.

    The most common type of compressors:

        1. Reciprocating
        2. Rotary
        3. Axial
        4. Centrifugal
  2. Condenser:

    A heat exchanger device that utilizes coils to transfers heat from the refrigerant flowing inside it to the air or water flowing over it.

  3. Evaporator:

    A device that transfers heat from the air flowing over it to the cooler refrigerant flowing through it by utilizing coils.

  4. Expansion Valve:

    A device that provides a pressure drop that converts high-temperature, high-pressure liquid refrigerant from the condenser into the low-temperature, low-pressure liquid refrigerant entering the evaporator 

The most common type of expansion valves:

      1. Automatic Valves
      2. Thermostatic Valves
      3. Capillary Tubes
      4. Float Valves

To gain a better understanding of how these components function in the refrigeration cycle click on Understanding the Cycle of Refrigeration

Refrigeration Process: Liquid turn to vapor through a process involving a Compressor Condenser Evaporator Expansion Valve

DISCLAIMER: The illustration in this article is to provide a visual aid and is not to be considered as design or  construction document, used as technical data, or counsel on any Jobsite.

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“Regulated by the Texas Dept. of Licensing and Registration, P.O. Box 12157, Austin, TX 78711, 1800-803-9202” TACLA017666C/TECL26749
Texas State Board of Plumbing Examiners, P.O Box 4200, Austin, Texas 78765, 1800-845-6584, M-37953

Subscribe to our Newsletter

Stay up to date with our latest news, announcements and industry related information.

“Regulated by the Texas Dept. of Licensing and Registration, P.O. Box 12157, Austin, TX 78711, 1800-803-9202” TACLA017666C/TECL26749
Texas State Board of Plumbing Examiners, P.O Box 4200, Austin, Texas 78765, 1800-845-6584, M-37953

© 2021 All rights reserved – Kilgore Industries, LP