29
Maintenance
Burner Basic Facts
Based on 60°
Propane
Butane
1 Cu. Ft. NG Approx 1000 BTU
Formula
C3H8
C4H10
Vaporization Point (°F)
-43.7
31.1
Specific Gravity (Vapor)
1.522
2.006
Specific Gravity (Liquid)
0.508
0.584
Lbs. per Gal. (Liquid)
4.23
4.87
BTU per Cu. Ft. (Vapor)
2.563
3.39
BTU per Gal. (Liquid)
91.547
102.032
BTU per Lb. (Liquid)
21.591
21.221
Cu. Ft. per Lb. (Liquid)
8.607
6.53
Cu. Ft. per Gal. (Liquid)
36.45
31.8
Octane Number
125
91
Molecular Weight
44.09
58.12
To Calculate Running Cost: 1,000 BTU = 1 Cu. Ft.
100 Cu. Ft. = 1 Therm
1 Therm = 1 Hour
Cost of Gas per Therm = Cost to Run
Example Using Natural Gas at 50¢ Therm: 400,000 BTU Machine
400 Cu. Ft. (400,000 / 1,000)
4 x 50¢ = $2.00 / Hour to Run ((400 / 100) x cost of gas)
Landa ENG Dealer’s Manual 9.801-510.0 - AV
Содержание ENG4-2000
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