Olds College LHAP Sprinkler Systems LHAP 302AB
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Sprinkler Systems LHAP 302AB

LHAP 302B-61-40681 (FA25) - Landscape Irrigation/Course/Irrigation Components/Sprinklers/Sprinkler Systems LHAP 302AB.pptx

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Slide 1 Sprinkler Systems LHAP 302 - Irrigation Slide 2 Terms to Know radius - distance water is distributed by the sprinkler (ft or m) arc - the pattern of water distributed by the sprinkler (180o, full circle) flow - how much water goes through the sprinkler (gpm) angle of trajectory - the angle horizontal to the ground that the nozzle is set to (degrees) precipitation rate - how much water the sprinkler will distribute in (in/hr) pressure - the ideal pressure the sprinkler is designed to run at (psi) Slide 3 Distribution Pattern (no wind) Slide 4 Spray overlap Slide 5 Distribution Pattern and pressure Moore, Quetone Moss (2019) Chuck’s Landscaping (2018) Slide 6 Spray Heads LHAP 302 - Irrigation Slide 7 Spray Heads common in residential market limited to smaller areas fixed sprays, variable arcs and rotator nozzles low pressure 15-40 psi high precipitation rates 0.5-3.5 “/hour radius 2-18’ irrigationtutorials Slide 8 Spray Heads can also get square spray and strip spray nozzles pop ups in different sizes 4”, 6”, 12” PRS = pressure regulating (eg: PRS 40 regulates head to 40 psi) SAM or check valve = check valve at base of sprinkler for stopping seepage from heads in low areas Slide 9 Rotators (nozzle for spray head) Radius 1.8 to 4.9 (MP800) and 2.4 to 10.7 m (standard) Precipitation rates - low (20mm or 0.79”/ hour) Slide 10 Rotary Heads Slide 11 Rotary Heads impact drive loaded arm taps the water stream sideways, gradually turning the sprinkler gear drive How does it work? Slide 12 Rotating nozzles most common for larger residential, commercial sites and parks water moves in rotating pattern medium pressure 30-100 psi low precipitation rates 0.15=0.55”/hour radius 15’ to 200’ Slide 13 Rotary heads pattern fully adjustable

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Slide 1

Sprinkler Systems

LHAP 302 - Irrigation

Slide 2

Terms to Know

radius - distance water is distributed by the sprinkler (ft or m)

arc - the pattern of water distributed by the sprinkler (180o, full circle)

flow - how much water goes through the sprinkler (gpm)

angle of trajectory - the angle horizontal to the ground that the nozzle is set to (degrees)

precipitation rate - how much water the sprinkler will distribute in (in/hr)

pressure - the ideal pressure the sprinkler is designed to run at (psi)

Slide 3

Distribution Pattern

(no wind)

image49.png

Slide 4

Spray overlap

Slide 5

Distribution Pattern and pressure

Moore, Quetone Moss (2019)

Chuck’s Landscaping (2018)

image47.png image52.png

Slide 6

Spray Heads

LHAP 302 - Irrigation

Slide 7

Spray Heads

common in residential market

limited to smaller areas

fixed sprays, variable arcs and rotator nozzles

low pressure 15-40 psi

high precipitation rates 0.5-3.5 “/hour

radius 2-18’

irrigationtutorials

image50.jpg

Slide 8

Spray Heads

can also get square spray and strip spray nozzles

pop ups in different sizes 4”, 6”, 12”

PRS = pressure regulating (eg: PRS 40 regulates head to 40 psi)

SAM or check valve = check valve at base of sprinkler for stopping seepage from heads in low areas

image48.png image53.png image56.png

Slide 9

Rotators (nozzle for spray head)

Radius 1.8 to 4.9 (MP800) and 2.4 to 10.7 m (standard)

Precipitation rates - low (20mm or 0.79”/ hour)

image60.png

Slide 10

Rotary Heads

Slide 11

Rotary Heads

impact drive loaded arm taps the water stream sideways, gradually turning the sprinkler

gear drive

How does it work?

image54.png image58.png

Slide 12

Rotating nozzles

most common for larger residential, commercial sites and parks

water moves in rotating pattern

medium pressure 30-100 psi

low precipitation rates 0.15=0.55”/hour

radius 15’ to 200’

image59.png

Slide 13

Rotary heads

pattern fully adjustable

image61.jpg

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