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Fire Nozzle Settings
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1.5" FOG
GPM--FL
30--2
60--
9
95--22
125--38
1.5" SBT
Size--
GPM--
FL
3/8"
--
30
--
2
1/2"
--
50
--
6
5/8"
--
83
--
17
1&3/4" FOG
GPM--FL
30--1
95--14
100--16
125--24
150--35
200--62
2&1/2" FOG
GPM--FL
125--3
150--5
200--8
250--13
2&1/2" SBT
Size--GPM--FL
1" --210--9
1 1/8"--270--15
1 1/4"--330--22
Master Stream FOG
GPM--FL
500---5
750---11
1000--20
1250--31
Master Stream SBT
Size--GPM--FL
1 3/8"--500--5
1 1/2"--600--7
1 3/4"--800--13
2" --1100--24
Dual GPM Fog Nozzles (Brush)
Hose--GPM--FL
1"--10/
24
--2&
9
1.5"--20/
60
--1&
9
Hose Coefficents
1"--150
1 1/2"--24
1 3/4"--15.5
2 1/2"--2
4"--0.2
2-2 1/2"--0.5
2 1/2 & 4"--0.12
Appliance Friction Losses
Forestry inline "T"--5
Gated Wye--10
Portable Monitor--15
Engine Relay--20
Stand Pipe--25
Aerial--80
Head Adjustments
per floor--5psi
25'--11 psi
50'--22 psi
100'--43 psi
Fire Sprinkler Numbers
GPM--30 per head flowing
NP--25 psi
AP--25 psi
Formulas:
EP=
FL=
GPM=
EP= NP+FL+AP+/-H
FL= C Q
2
L
GPM= 30 d
2
√NP
Nozzle Pressures
SBT = 100
MS SBT = 80
FOG = 100
Pre-Connects
1 1/2"--150'--95 gpm--
133
EP
1 3/4" -- 200'--150gpm--
170
EP
2 1/2" --150'--250--gpm--
120
EP
Static Pressure formula
R
1
-R
2
= Pressure drop / 2
Pressure drop + R
1
= estimated Static Pressure
Author
LDB
ID
18577
Card Set
Fire Nozzle Settings
Description
Nozzle settings, Size, GPM, Friction Loss/100 feet.
Updated
2010-05-10T05:30:18Z
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