Maricopa Community Colleges  ABA181   19986-99999 
Official Course Description: MCCCD Approval: 04/28/98
ABA181 19986-99999 LEC 1 Credit(s) 1 Period(s)
REGULATING WATER PRESSURE
Function of water pressure-reducing valves and booster systems. Installation of water pressure-reducing valves and booster systems. Types of water booster systems. Adjustment of water pressure reducing valves and booster systems. Maintenance of water pressure reducing valves and pressure booster systems. Prerequisites: None.
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MCCCD Official Course Competencies:
 
ABA181   19986-99999 REGULATING WATER PRESSURE
1. Explain the function and operation of pressure reducing valves. (I)
2. Install a pressure reducing valve. (II)
3. Adjust water flow and pressure on reducing valves. (III)
4. Perform routine maintenance on pressure reducing valves. (IV)
5. Describe types of water booster systems. (V)
6. Describe system design considerations to include sizing, system efficiency, and energy use. (VI)
7. Describe system components to include water pumps, pump motors, and control systems. (VII)
8. Describe and perform maintenance and service procedures on reducing valves and water pressure booster systems. (VIII)
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MCCCD Official Course Outline:
 
ABA181   19986-99999 REGULATING WATER PRESSURE
    I. Function and Operation of Reducing Valves
        A. Water pressure fluctuations
        B. City valves, building and appliance valves
        C. Function of reducing valves
        D. Operation of reducing valves
      II. Valve Installation
          A. Horizontal and vertical positioning
          B. Location of installation
          C. Access to the installation
          D. Installation procedure
        III. Valve Adjustment
            A. Screw adjustment
            B. Rotation and water delivery
            C. Self-locking screws
          IV. Maintenance
              A. Internal parts
              B. Routine valve maintenance
              C. Troubleshooting procedures
            V. Water Pressure Booster Systems
                A. Tank systems
                B. Constant speed systems
                C. Variable capacity systems
              VI. System Design Considerations
                  A. Sizing for flow and demand
                  B. System efficiency
                  C. Economics and energy use
                VII. System Components
                    A. Pumps
                      1. centrifugal
                      2. vertical
                    B. Pump motors
                      1. high pressure
                      2. low pressure
                      3. noise
                    C. Controls
                      1. pressure sensors
                      2. temperature sensors
                  VIII. Maintenance and Service
                      A. Tank location
                      B. Shock arrestors
                      C. Motor and pump replacement and service
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