Basic Facts And Equivalents; Maintenance And Service - Kärcher HDS3.5/20 Operator's Manual

BASIC FACTS
Based on 60°
1 Cu. Ft. NG Approx 1000 BTU
Formula
Vaporization Point (°F)
Specifi c Gravity (Vapor)
Specifi c Gravity (Liquid)
Lbs. per Gal. (Liquid)
BTU per Cu. Ft. (Vapor)
BTU per Gal. (Liquid)
BTU per Lb. (Liquid)
Cu. Ft. per Lb. (Liquid)
Cu. Ft. per Gal. (Liquid)
Octane Number
Molecular Weight
To Calculate Running Cost:
Example Using Natural Gas at 50¢
Therm:
28

MAINTENANCE AND SERVICE

1,000 BTU = 1 Cu. Ft.
100 Cu. Ft. = 1 Therm
1 Therm = 1 Hour
Cost of Gas per Therm = Cost to Run
400,000 BTU Machine
400 Cu. Ft.
4 x 50¢ = $2.00 / Hour to Run
9.801-509.0 - C • Karcher Operator's Manual
Propane
C3H8
-43.7
1.522
0.508
4.23
2.563
91.547
21.591
8.607
36.45
125
44.09
(400,000 / 1,000)
((400 / 100) x cost of gas)
Butane
C4H10
31.1
2.006
0.584
4.87
3.39
102.032
21.221
6.53
31.8
91
58.12