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2 1/2" friction loss
 2 1/2" friction loss less than 100gpm



Sprinkler
 GPM= 1/2P+15
 psi= 2(GPM15)

Velocity of flow
When pressure is known=
when head is known=

To change (fps) to inches per minute
Multiply by 12

To change (fps) to feet per minute
Multiply by 60


Momentary nozzle reaction

equivalent nozzle diameter
or just add up gpms

pressure when head is known
Pressure= .434(H)

Head when pressure is known
head= 2.304(P)

Drafting:
max lift
drop in atmosphere psi will lift
 Max 33.9'
 1 psi drop pressure will lift 2.3"

Volume of:
square/rectangle
cylinder cubic ft
cylinder in gallons
 Sq/rec= LxWxH
 cylinder cubic ft=
 cylinder in gallons=

