Fire Nozzle Settings

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The flashcards below were created by user LDB on FreezingBlue Flashcards.


  1. 1.5" FOG
    • GPM--FL
    • 30--2
    • 60--9
    • 95--22
    • 125--38
  2. 1.5" SBT
    • Size--GPM--FL
    • 3/8"--30--2
    • 1/2"--50--6
    • 5/8"--83--17
  3. 1&3/4" FOG
    • GPM--FL
    • 30--1
    • 95--14
    • 100--16
    • 125--24
    • 150--35
    • 200--62
  4. 2&1/2" FOG
    • GPM--FL
    • 125--3
    • 150--5
    • 200--8
    • 250--13
  5. 2&1/2" SBT
    • Size--GPM--FL
    • 1" --210--9
    • 1 1/8"--270--15
    • 1 1/4"--330--22
  6. Master Stream FOG
    • GPM--FL
    • 500---5
    • 750---11
    • 1000--20
    • 1250--31
  7. Master Stream SBT
    • Size--GPM--FL
    • 1 3/8"--500--5
    • 1 1/2"--600--7
    • 1 3/4"--800--13
    • 2" --1100--24
  8. Dual GPM Fog Nozzles (Brush)
    • Hose--GPM--FL
    • 1"--10/24--2&9
    • 1.5"--20/60--1&9
  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
  10. Appliance Friction Losses
    • Forestry inline "T"--5
    • Gated Wye--10
    • Portable Monitor--15
    • Engine Relay--20
    • Stand Pipe--25
    • Aerial--80
  11. Head Adjustments
    • per floor--5psi
    • 25'--11 psi
    • 50'--22 psi
    • 100'--43 psi
  12. Fire Sprinkler Numbers
    • GPM--30 per head flowing
    • NP--25 psi
    • AP--25 psi
  13. Formulas:
    EP=
    FL=
    GPM=
    EP= NP+FL+AP+/-H

    FL= C Q2 L

    GPM= 30 d2 √NP
  14. Nozzle Pressures
    • SBT = 100
    • MS SBT = 80
    • FOG = 100
  15. 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
  16. Static Pressure formula
    R1-R2= Pressure drop / 2

    Pressure drop + R1 = estimated Static Pressure

Card Set Information

Author:
 LDB
ID:
 18577
Filename:
 Fire Nozzle Settings
Updated:
 2010-05-10 05:30:18
Tags:
Engineer Exam Fire Nozzle Settings
Folders:

Description:
Nozzle settings, Size, GPM, Friction Loss/100 feet.
Show Answers:

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