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Hydraulics
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Master Stream GPM:
1-1/4"
400
Master Stream GPM:
1-3/8"
500
Master Stream GPM:
1-1/2"
600
Master Stream GPM:
1-5/8"
700
Master Stream GPM:
1-3/4"
800
Master Stream GPM:
2"
1,000
Hand held smooth bore GPM:
15/16
180
Hand held smooth bore GPM:
1"
200
Hand held smooth bore GPM:
1-1/8"
250
Hand held smooth bore GPM:
1-1/4"
325
ENGINE PRESSURE FORMULA
E.P=N.P+F.L+APP+B.P
FRICTION LOSS FORMULA:
CQ
2
L
Q=Flow/100
L=Length/100
% DROP=?
% DROP=
(Static-Residual)100
Static
Friction Loss Coefficients:
1"
150.0
Friction Loss Coefficients:
1-1/2"
24.0
Friction Loss Coefficients:
1-3/4"
16.0
Friction Loss Coefficients:
2-1/2"
2.0
Friction Loss Coefficients:
3"
1.0
Friction Loss Coefficients:
3-1/2"
0.4
Friction Loss Coefficients:
4"
0.2
Friction Loss Coefficients (SIAMESE):
2: 2-1/2"
0.5
Friction Loss Coefficients (SIAMESE):
3: 2-1/2"
0.25
Friction Loss Coefficients (SIAMESE):
1-3"; 1: 2-1/2"
0.3
Friction Loss Coefficients (SIAMESE):
1-3"; 2:2-1/2"
0.2
APPLIANCES:
Portable Monitors
15 psi
APPLIANCES:
Standpipe
25 psi+back pressure
APPLIANCES:
Ladder Pipe
80 psi
APPLIANCES:
Relief Valve
10 psi
Pump Capacity
150 psi = 100%
200 psi= 70%
250 psi= 50%
Pressure Drop:
0-10
3 Times
Pressure Drop:
11-15
2 Times
Pressure Drop:
16-25
1 Times
Pressure Drop:
25-+
May support additional lines
Back Pressure Allowances
5 psi per floor - 4.5 psi per 10ft.
Mountain Slope - 4.5 psi for each 100ft. of hose
Engine pressure pumping to booster lines:
30 GPM @ 130 psi
Sprinkler Connection:
Whether or not fire is showing - pump @ 150 psi
For older systems - pump @ 125 psi
When pumping to a supply line or relay pumping, use an inlet pressure of?
20 psi (which is used as nozzle pressure)
Nozzle Pressure:
Master Stream
Fog - 100 psi
Smooth Bore - 80 psi
Nozzle Pressure:
TFT (Automatic)
75
Nozzle Pressure:
Elkhart (orange)
(pre-set gallonage @ 125)
75
Nozzle Pressure:
Handheld Smooth Bore
50 psi
Nozzle Pressure:
Elkhart (green)
(pre-set gallonage @ 150 GPM)
50 psi
Nozzle Pressure:
Automatic, TFT (adjustable gal), Forestry, Cellar Nozzles, Maxi Fog #1
100 psi
Author
BennyHeng
ID
240353
Card Set
Hydraulics
Description
Hydraulics
Updated
2013-10-13T18:30:39Z
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