Hydraulics Flashcards
PDP of 100 psi nozzle 1 3/4” preconnects
120, 145, 180 psi = 100, 150, 200 gpm
PDP of 100 psi nozzle 2 1/2” preconnects
115, 130, 140 psi = 200, 250, 300 gpm
PDP of 2 1/2” preconnect with 1 1/4” smooth bore nozzle
95 psi = 325 gpm
Tip pressure for smooth bore hand line
50 psi
Tip pressure for smooth bore master stream
80 psi
Tip pressure for fog tip hand line
100 psi or 75 psi
Friction loss per 100’ of 4” hose
2, 4, 6, 8, 10, 12, 15, 20 from 300-1000 gpm
Friction loss per 100’ of 5” hose
2, 2, 3, 4, 5 from 600-1000 gpm
1/2” solid bore tip gpm
55 gpm
5/8” solid bore tip gpm
80 gpm
3/4” solid bore tip gpm
120 gpm
7/8” solid bore tip gpm
160 gpm
15/16” solid bore tip gpm
185 gpm
1” solid bore tip gpm
210 gpm
1 1/8” solid bore tip gpm
265 gpm
1 3/16” solid bore tip gpm
295 gpm
1 1/4” solid bore tip gpm
325 gpm
1 3/8” master stream gpm
500 gpm
1 1/2” master stream gpm
600 gpm
1 3/4” master stream gpm
800 gpm
2” master stream gpm
1000 gpm
2 1/4” master stream gpm
1300 gpm
2 1/2” master stream gpm
1700 gpm
2 3/4” master stream gpm
2000 gpm
PDP of Blitzfire 2 1/2” preconnect with fog tip
160 psi = 300 gpm, 205 psi = 450 gpm
PDP of Blitzfire 2 1/2” preconnect with solid bore tip
205 psi, 1 1/2” tip = 500 gpm, 210 psi, 1 3/8” tip = 500 gpm
Pumping a sprinkler system
150 psi at FDC
Relay pumping equation
FL + 20 psi minimum (100 psi start as default)
Ladder supply
185 psi to the base, 2 supply lines to tiller truck
Field hydraulics rule for 1 3/4” friction loss
10, 20, 40 psi for 100, 150, 200 gpm
