Maricopa Community Colleges  ABC255   20032-20086 
Official Course Description: MCCCD Approval: 07/22/08
ABC255 20032-20086 L+L 1.50 Credit(s) 1.50 Period(s)
Valve Installation
Identifying and installing specific types of valves. Includes procedures for storage and handling.
Prerequisites: Registered Apprentice status or permission of the apprenticeship coordinator.
Cross-References: MEC255
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MCCCD Official Course Competencies:
 
ABC255   20032-20086 Valve Installation
1. Identify the types of valves that start and stop flow. (I)
2. Identify the types of valves that regulate flow. (II)
3. Identify the types of valves that relieve pressure. (III)
4. Identify the types of valves that regulate the direction of flow. (IV)
5. Identify specific types of valve actuators. (V)
6. Explain how to properly store and handle valves. (VI)
7. Install specific types of valves in piping systems. (VII)
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MCCCD Official Course Outline:
 
ABC255   20032-20086 Valve Installation
    I. Valves Start/Stop
        A. Gate
          1. Body
          2. Bonnet
          3. Gate
          4. Stem
        B. Knife gate
        C. Ball
        D. Plug
          1. Lubricated plug
          2. Nonlubricated plug
        E. Three-way
      II. Valves - Regulate Flow
          A. Globe
            1. Body
            2. Bonnet
            3. Disc
            4. Stem
          B. Angle
          C. Y-type
          D. Needle
          E. Butterfly
            1. Wafer
            2. Wafer lug
            3. Two-flange
          F. Diaphragm
          G. Control
        III. Valves - Relieve Pressure
            A. Safety
            B. Pressure relief
          IV. Valves - Regulate Direction of Flow
              A. Swing check
              B. Lift check
              C. Ball check
              D. Butterfly check
              E. Foot
            V. Valve Actuators
                A. Gear operators
                  1. Spur-gear
                  2. Bevel-gear
                  3. Worm-gear
                  4. Other
              VI. Storing and Handling Valves
                  A. Safety considerations
                  B. Storing
                  C. Rigging
                VII. Installing Valves
                    A. Threaded
                    B. Welded
                      1. Socket weld
                      2. Butt weld
                    C. Flanged
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