SprinklersSprinklers

NozzlesNozzles

Controls distance and flowControls distance and flow

InterchangeableInterchangeable

Operating pressureOperating pressure

PSI – pounds per square inchPSI – pounds per square inch– Rotary sprinklers: 35 to 45 psiRotary sprinklers: 35 to 45 psi– Sprayheads: <30 psiSprayheads: <30 psi

FlowFlow

GPM (Gallons per minute)GPM (Gallons per minute)

Controlled by nozzle size and PSIControlled by nozzle size and PSI

Larger nozzles have greater flow and Larger nozzles have greater flow and require greater PSIrequire greater PSI

RadiusRadius

Distance from the headDistance from the head

Increases with PSI and nozzle sizeIncreases with PSI and nozzle size

Water distribution patternWater distribution pattern

Uniformity around sprinklerUniformity around sprinkler

Head-to-head spacingHead-to-head spacing

ArcArc

Portion around sprinkler that gets wateredPortion around sprinkler that gets watered

TrajectoryTrajectory

Angle above groundAngle above ground

Low trajectory Low trajectory – WindWind– Under treesUnder trees

SPRAY HEADSSPRAY HEADS

No moving parts, except pop-upNo moving parts, except pop-up

Small areasSmall areas– 8’ to 15’8’ to 15’

SPRAYHEADSSPRAYHEADS

Blow-out NozzlesBlow-out Nozzles

Purge debris from pipesPurge debris from pipes

Pull up riser to install nozzlePull up riser to install nozzle

Fixed Spray NozzleFixed Spray Nozzle

Have matched precipitation rate (MPR)Have matched precipitation rate (MPR)– Flow matched to arcFlow matched to arc

Q = 1 gpmQ = 1 gpm

H = 2 gpmH = 2 gpm

F = 4 gpmF = 4 gpm

VAN NozzleVAN Nozzle

Color-coded NozzlesColor-coded Nozzles

Buy nozzles separatelyBuy nozzles separately

Pressure Regulating ScreensPressure Regulating Screens

Rotary NozzlesRotary Nozzles

Fit on sprayhead bodyFit on sprayhead body

Rotary NozzlesRotary Nozzles

Low driftLow drift

Pressure compensatingPressure compensating

ROTARY SPRINKLERSROTARY SPRINKLERS

Rotating streamRotating stream

Large areasLarge areas– 15’ to 100’15’ to 100’

ROTARY SPRINKLERSROTARY SPRINKLERS

Gear-driven sprinklersGear-driven sprinklers

Gear-driven Gear-driven SprinklersSprinklers

Nozzle treeNozzle tree

Small RotarySmall Rotary

15’ to 25’15’ to 25’

Standard RotaryStandard Rotary

22’ and 40’22’ and 40’

Interchangeable NozzlesInterchangeable Nozzles

Interchangeable NozzlesInterchangeable Nozzles

Interchangeable NozzlesInterchangeable Nozzles

Adjusting ArcAdjusting Arc

One side is adjustableOne side is adjustable

The other side fixedThe other side fixed

Gear-driven SprinklersGear-driven Sprinklers

Break-up screwBreak-up screw– Shorten radiusShorten radius

– Holds in nozzleHolds in nozzle

ROTARY SPRINKLERSROTARY SPRINKLERS

Impact sprinklersImpact sprinklers– hammer to move hammer to move

sprinkler, makes the sprinkler, makes the sprinkler soundsprinkler sound

Impact SprinklerImpact Sprinkler

Valve-in-Head Valve-in-Head SprinklerSprinkler

Gear-driven sprinklerGear-driven sprinkler

Valve in bottomValve in bottom

Valve-in-Head Valve-in-Head SprinklerSprinkler

Swing JointSwing Joint

Swing pipeSwing pipe

Swing pipeSwing pipe

Swing pipeSwing pipe

Pressure Regulating SprinklersPressure Regulating Sprinklers

PRSPRS

No matter what PSI goes in sprinkler, a No matter what PSI goes in sprinkler, a specific PSI comes outspecific PSI comes out

All sprinklers run at same PSIAll sprinklers run at same PSI

Prevents over PSIPrevents over PSI

Check ValveCheck Valve

Installed in bottom of sprinklerInstalled in bottom of sprinkler

Prevents sprinkler from weeping after it Prevents sprinkler from weeping after it runs due to elevationruns due to elevation