DCFD Pumps

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Author:
JB3989
ID:
99231
Filename:
DCFD Pumps
Updated:
2011-08-31 17:33:30
Tags:
DCFD
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  1. Cubic foot of water weighs
    62.5 lbs
  2. One gallon of water weighs
    8.35 lbs
  3. Pressure formula for column of Water
    P = .434 x H
  4. Height formula for column of Water
    H = 2.304 x P
  5. Atmospheric Pressure at Sea Level
    14.7psi
  6. A perfect Positive Displacement Pump can draft water
    33.9 feet
  7. A pump in excellent condition can draft? A pump in average condition?
    • Excellent - 28ft
    • Average - 26ft
  8. In the primer oil reservoir, what is the capacity? What type of oil is used?
    • Four to Six quart capacity
    • S.A.E. 30 motor oil
  9. Maximum discharge pressure
    300psi
  10. When switching to Volume to Pressure, or Pressure to Volume reduce the pump pressure to
    50psi
  11. Engine Pressure Formula
    EP = NP + FL + SA + E
  12. Relay Formula
    EP = 20 + FL + E
  13. How is friction loss calculated for a Ladder Pipe
    By how far the ladder has been extended
  14. Maximum layout
    Is the distance the pump can supply proper pressure and gallonage for efficent operation.
  15. What is the distance for a maximum layout of a single lay? Dual lay?
    • Single is 350 ft
    • Dual is 800 ft
  16. Nozzle Pressure's
    CVFSS "Fog", Smooth Bore (Master Stream), Smooth Boore (Handheld)
    • Fog is 75psi
    • Master Stream is 80psi
    • Handheld is 50psi
  17. Tip Sizes and Flow (GPM)
    Handheld Smooth Bore
    • 1" 210 GPM
    • 1 1/8" 265 GPM
    • 1 1/4 325 GPM
  18. Tip Sizes and Flow (GPM)
    Master Stream Smooth Bore
    • 1 3/8" 500 GPM
    • 1 1/2" 600 GPM
    • 1 3/4" 800 GPM
    • 2" 1000 GPM
  19. Friction Loss "Q" Formula for 2 1/2"
    2Q2
  20. Friction Loss "Q" Formula for 3"
    Q2
  21. Friction Loss "Q" Formula for 4"
    Q2/5
  22. Friction Loss "Q" Formula for 5"
    Q2/15
  23. Small Line GPM and Friction Loss per 100ft
    • 13 GPM
    • 30psi
  24. 1 1/2" Revlving Dist. Nozzle GPM and Friction Loss per 100ft
    • 115 GPM
    • 30psi
  25. 2 1/2" Fog Nozzle GPM and Friction Loss per 100ft
    • 250 GPM
    • 12psi
  26. Low Velocity Fog Applicator GPM and Friction Loss per 100 ft
    • 115 GPM
    • 30 psi for 1 1/2"
    • 3 psi for 2 1/12"
  27. Eductor (Foam Position) GPM and Friction Loss per 100ft
    • 95 GPM
    • 5psi
  28. Lucas Valve (Ammonia Flush) GPM and Friction Loss per 100ft
    • 200 GPM
    • 10 psi
  29. Peri-Jet and Peri-Jet Syphon GPM and Fricition Loss per 100ft
    • Peri-Jet 200 GPM and 10 psi
    • Peri-Jet Syphon 420 GPM and 40 psi
  30. 2 1/2" Revolving Dist. Nozzle GPM and Friction Loss per 100ft
    • 425 GPM
    • 40 psi
  31. JN-200 Fog Nozzle 30 Degrees and 90 Degrees GPM
    • 30 Degrees - 600 GPM
    • 90 Degrees - 1000 GPM
  32. Friction Loss for a Cellar Pipe
    50 psi
  33. Friction Loss for Ladder Pipe Assembly (Siamese, 100ft of 3, Ladder, Pipe)
    50 psi
  34. Friction Loss for Monitor Nozzle or Wagon Pipe
    20 psi
  35. Friction Loss for Standpipe
    25 psi
  36. Friction Loss for pre-piped Ladder Pipe
    115 psi
  37. E.P. for Sprinkler Systems
    125 psi
  38. E.P. for Sprinkler/Standpipe Systems
    175 psi
  39. E.P. for Tower 3
    175 psi to Trimese
  40. E.P. for Foam Eductor
    200 psi at the Eductor
  41. Temperatures of water in the pump
    Normal should be 160 degrees and 200 degrees when operating
  42. Hydrant Capacity Formula's
    • PD = SP - RP
    • %D = PD/SP
  43. If % Drop is 0 -10% you can flow
    3 times the amount flowing
  44. If % Drop is 11% - 15% you can flow
    2 times the amount flowing
  45. If % Drop is 16% - <25% you can flow
    1 time the amount flowing
  46. E.P when supplying to another company
    E.P when supplying through Hydrant Valve
    • 125 psi
    • 150 psi through Hydrant Valve

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