Diesel Fuel Calculator

 

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Units

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* denotes obsolete models
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Fuel System Schematic

Tank Data

Notes:
  • Per NFPA 20 11.4.1.3.1 Fuel supply tank(s) shall have a capacity at least equal to 1 Gal/HP (5.07L/kW), plus 5% volume for expansion and 5% volume for sump.
  • NFPA Tank Run Time = Listed Power ÷ Fuel Consumption
  • Min. Size for 8 Hour Run Time = Fuel Consumption x 8 hours x 1.1
  • Actual Tank Runtime = Actual Tank Size x 0.9 ÷ Fuel Consumption
  • The fuel tank outlet shall not be lower than the fuel transfer pump
  • Refer to the latest edition of NFPA 20 for all fuel tank and fuel line requirements

Fuel Line Sizing

Installation Data


Notes:
  • The fuel return line has 7, 90 degree elbows
  • The fuel supply line has 5, 90 degree elbows
  • Schedule 40 pipe
  • The stated length of pipe
  • The fuel tank outlet shall not be lower than the fuel transfer pump
  • The fuel height in tank's highest point in return

Application Data

FUEL TANK - RESULTS

Customer:
Job Name:
Job Number:

TANK INFORMATION

ENGINE DATA
Engine Model:
Engine Speed:
Rated Power:
NFPA SIZES
Fuel Consumption:
NFPA Min. Tank Size:
NFPA Min. Run Time:
Size for 8 Hour Run Time:
ACTUAL SIZES
 
Actual Tank Size:
Actual Run Time:
 

FUEL TANK LAYOUT

NOTES:

  • Per NFPA 20 11.4.1.3.1 Fuel supply tank(s) shall have a capacity at least equal to 1 Gal/HP (5.07L/kW), plus 5% volume for expansion and 5% volume for sump.
  • NFPA Tank Run Time = Listed Power ÷ Fuel Consumption
  • Min. Size for 8 Hour Run Time = Fuel Consumption x 8 hours x 1.1
  • Actual Tank Runtime = Actual Tank Size x 0.9 ÷ Fuel Consumption
  • The fuel tank outlet shall not be lower than the fuel transfer pump
  • Refer to the latest edition of NFPA 20 for all fuel tank and fuel line requirements
Questions, Comments, or Feedback regarding Clarke's new Diesel Fuel Calculator should be sent to marketing@clarkefire.com .

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