Briggs & Stratton 1679-0 Installation Manual download pdf (Page 20)

C_ byEe_'sCu__et

Bri_s & Stratton Power Products Home Generator System

Installation Manual

Fuel Comparison Chart

It'_l lit "_'mpm+l+t-,_+ [€ rRl_l

Physical Properties

Normal Atmospheric State

Boiling Point (in OF):

Initial

End

Butane

Gas

Propane

Gas

Natural Gas

Gas

32 +44 +259

32 -44 +259

Heating Value:

BTU per gallon (Net LHV*) 94,670 83,340 63,310

BTU per Gallon (Gross**) 102,032 91,547

Cubic Feet (Gas) 3,264 2,516 1,000

Density*** 31.26 36.39 57.75

Weight-_ 4.81 4.24 2.65

Octane Number:

Research 94 110+ 110+

Motor 90 97

LHV (Low HeatValue) is the more realistic rating.

** Gross HeatValue does not consider heat lost in the form of water during combustion.

*** Density is given in "Cubic Feet of Gas per Gallon of Liquid".

t Weight isgiven in "Pounds per Gallon of Liquid".

Size of Propane Tank Required at Various Temperatures When Kept at Least

Half Full

Given the gaswithdrawal rate and the lowestaveragewinter temperature, an installercan specifythe required LP storage

tank size:

Withdraw_ Rate 32°F 20°F 10°F 0°F -10°F -30°F -40°F

50 CFH 115 115 115 250 250 400 600

100CFH 250 250 250 400 500 1000 1500

150CFH 300 400 500 500 1000 1500 2500

200 CFH 400 500 750 1000 1200 2000 2500

300 CFH 750 1000 1500 2000 2500 4000 5000

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 59 60

No comments

Briggs & Stratton 1679-0 Installation Manual Page 20