Maricopa Community Colleges  ABC210   19962-20026 
Official Course Description: MCCCD Approval: 11/28/95
ABC210 19962-20026 LEC 0.50 Credit(s) 0.50 Period(s)
Steam Traps
Use of steam traps in high and low pressure steam systems. Specific types and applications, installation, troubleshooting and maintenance. Prerequisites: (Indentured status with the Arizona Builders Alliance) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABC210   19962-20026 Steam Traps
1. List and define trade terms associated with steam traps. (I)
2. Identify and describe specific steam traps and strainers. (I)
3. Describe the installation of steam traps including selection, placement, valves and strainers. (II)
4. Explain how to troubleshoot specific steam trap systems using sight, sound and temperature methods. (III)
5. Describe maintenance procedures for specific steam trap systems. (IV)
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MCCCD Official Course Outline:
 
ABC210   19962-20026 Steam Traps
    I. Steam traps
        A. Trade terms
          1. British Thermal Unit (BTU)
          2. Cascading
          3. Condensate
          4. Drip leg
          5. Enthalpy
          6. Flash steam
          7. Saturated steam
          8. Superheated steam
          9. Tracer
          10. Water hammer
        B. Mechanical steam traps - inverted bucket
        C. Thermostatic steam traps
          1. Liquid expansion
          2. Balanced pressure
          3. Bimetallic
          4. Float thermostatic
        D. Thermodynamic steam traps
        E. Strainers
          1. Screwed
          2. Basket
          3. Flanged Y
      II. Steam trap installation
          A. General procedure
          B. Basic trap installation
          C. Steam header draining system
          D. Outdoor process trap system
        III. Troubleshooting steam traps
            A. Diagnostic methods
              1. Sight
              2. Sound
              3. Temperature
            B. Advantages and limitations ABC210Effective Term:
          IV. Maintaining steam traps
              A. Inverted bucket
              B. Liquid expansion thermostatic
              C. Balanced pressure thermostatic
              D. Bimetallic thermostatic
              E. Float thermostatic
              F. Thermodynamic disk
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