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