The flashcards below were created by user
LDB
on FreezingBlue Flashcards.
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1.5" FOG
- GPM--FL
- 30--2
- 60--9
- 95--22
- 125--38
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1.5" SBT
- Size--GPM--FL
- 3/8"--30--2
- 1/2"--50--6
- 5/8"--83--17
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1&3/4" FOG
- GPM--FL
- 30--1
- 95--14
- 100--16
- 125--24
- 150--35
- 200--62
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2&1/2" FOG
- GPM--FL
- 125--3
- 150--5
- 200--8
- 250--13
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2&1/2" SBT
- Size--GPM--FL
- 1" --210--9
- 1 1/8"--270--15
- 1 1/4"--330--22
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Master Stream FOG
- GPM--FL
- 500---5
- 750---11
- 1000--20
- 1250--31
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Master Stream SBT
- Size--GPM--FL
- 1 3/8"--500--5
- 1 1/2"--600--7
- 1 3/4"--800--13
- 2" --1100--24
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Dual GPM Fog Nozzles (Brush)
- Hose--GPM--FL
- 1"--10/24--2&9
- 1.5"--20/60--1&9
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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
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Appliance Friction Losses
- Forestry inline "T"--5
- Gated Wye--10
- Portable Monitor--15
- Engine Relay--20
- Stand Pipe--25
- Aerial--80
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Head Adjustments
- per floor--5psi
- 25'--11 psi
- 50'--22 psi
- 100'--43 psi
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Fire Sprinkler Numbers
- GPM--30 per head flowing
- NP--25 psi
- AP--25 psi
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Formulas:
EP=
FL=
GPM=
EP= NP+FL+AP+/-H
FL= C Q2 L
GPM= 30 d2 √NP
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Nozzle Pressures
- SBT = 100
- MS SBT = 80
- FOG = 100
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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
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Static Pressure formula
R1-R2= Pressure drop / 2
Pressure drop + R1 = estimated Static Pressure
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