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Driver/Operator 1BSeptember 2003 Slide 2-3-1
Pump Piping and Valves Pump Piping and Valves
Driver/Operator 1BSeptember 2003 Slide 2-3-2
Piping and Valves Piping and Valves
Intake manifolds and valves Intake manifolds and valves Discharge manifolds and valves Discharge manifolds and valves Drains Drains
Driver/Operator 1BSeptember 2003 Slide 2-3-3
Intake Manifold and Valves Intake Manifold and Valves
Cast as integral part of pump case Cast as integral part of pump case Covers eye of the impeller(s) Covers eye of the impeller(s)
Intake Manifold
Driver/Operator 1BSeptember 2003 Slide 2-3-5
Intake Manifold and ValvesIntake Manifold and Valves
Large intake Large intake Sizes vary by pump capacity Sizes vary by pump capacity Usually on eye Usually on eye of the pump of the pump
Small intake Small intake Valved Valved Usually 2Usually 2½”½” female coupling female coupling
Driver/Operator 1BSeptember 2003 Slide 2-3-6
Driver/Operator 1BSeptember 2003 Slide 2-3-7
Intake Manifold and ValvesIntake Manifold and Valves
Auxiliary intakes Auxiliary intakes Front or rear Front or rear Size varies by apparatus Size varies by apparatus Valved Valved
Driver/Operator 1BSeptember 2003 Slide 2-3-8
Intake Manifold and ValvesIntake Manifold and Valves
Tank suction intake Tank suction intake Connects tank to pump Connects tank to pump Bolts to flange on manifold Bolts to flange on manifold Valved Valved •• "Tank"Tank--toto--pump valve"pump valve"
Driver/Operator 1BSeptember 2003 Slide 2-3-9
Driver/Operator 1BSeptember 2003 Slide 2-3-10
Discharge Manifold and Discharge Manifold and Valves Valves
Water enters discharge manifold Water enters discharge manifold From outlet of impeller casesFrom outlet of impeller casesMade with smooth passagesMade with smooth passages
Discharge Manifold
Driver/Operator 1BSeptember 2003 Slide 2-3-12
Discharge Manifold and Discharge Manifold and ValvesValves
Valve attachment Valve attachment "Embossments" in the casting "Embossments" in the casting •• Some open Some open •• Some have threaded plugs Some have threaded plugs •• Some need to be drilled out Some need to be drilled out
Embossments
Driver/Operator 1BSeptember 2003 Slide 2-3-14
Discharge Manifold and Discharge Manifold and ValvesValves
Valves and piping Valves and piping Various sizes Various sizes Each discharge will Each discharge will have its own valve have its own valve
Types of valves Types of valves PistonPistonButterflyButterflyBall Ball Gate Gate
Driver/Operator 1BSeptember 2003 Slide 2-3-15
Piston Piston ValveValve
Driver/Operator 1BSeptember 2003 Slide 2-3-16
Butterfly ValveButterfly Valve
Driver/Operator 1BSeptember 2003 Slide 2-3-17
Ball ValveBall Valve
Driver/Operator 1BSeptember 2003 Slide 2-3-18
Discharge Manifold and Discharge Manifold and ValvesValves
Tank filler Tank filler Used to fill tank once attached to water Used to fill tank once attached to water supply supply Can be used as a circulating valve to Can be used as a circulating valve to keep pump cool while not flowing water keep pump cool while not flowing water
Circulating valve Circulating valve Also know as a "churn valve" Also know as a "churn valve" Used to keep pump from overheating Used to keep pump from overheating
Driver/Operator 1BSeptember 2003 Slide 2-3-19
Drains Drains
Drains are used to relieve or Drains are used to relieve or remove pressure or water from remove pressure or water from
Suction intakes Suction intakes Discharges Discharges Main pumps Main pumps
Bleeder lines Bleeder lines
Driver/Operator 1BSeptember 2003 Slide 2-3-20
Drains Drains