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IX800 Operation & Service Manual
IX410 Operation & Service Manual
LPG - PROPANE FUEL VAPORIZATION RATE
The following chart shows the amount of BTU's that various sizes of tanks will produce on the average at specific
temperatures and regular atmospheric conditions.
Tank Size
Gallons
(Pounds)
150
(600)
250
(1000)
500
(2000)
1000
(4000)
* Frosting on the outside of the tank acts as an insulator, reducing the vaporization rate.
The following table shows the maximum BTU's that a cylinder contains.
CAUTION: In extremely cold weather it is impossible to completely empty a propane cylinder.
1 Std. Atmosphere =
1" Water Column (W.C.)
11" Water Column
=
1 lb./sq. in. (psig)
=
1" Mercury
=
1 Std. Cubic Ft./Hr.
=
=
1 BTU/Hr.
12
Maximum intermittent withdrawal rate (BTU/hr) without tank frosting*
if lowest outdoor temperature (average for 24 hours) reaches
+40 F.
+30 F.
+20 F.
214,900 187,900 161,800 148,000 134,700 132,400 108,800 107,100
288,100 251,800 216,800 198,400 180,600 177,400 145,800 143,500
478,800 418,600 360,400 329,700 300,100 294,800 242,300 238,600
852,800 745,600 641,900 587,200 534,500 525,400 431,600 425,000
MAXIMUM BTU CONTENT (PROPANE)
CYLINDER SIZE
100 pound
250 gallon USA
500 gallon USA
1000 gallon USA
PRESSURE & FLOW EQUIVALENTS
14.73 lb./sq. in. =
=
0.58 oz./sq. in.
=
0.4 lb./sq. in.
=
27.71" W.C.
=
0.49 psig
=
2,500 BTU/Hr.
=
0.2931 Watts
+10 F.
0 F.
-10 F
BTU CONTENT
2,159,100
22,922,500
45,845,000
91,690,000
1.014 bar
2.49 millibar
27.39 millibar
0.0689 bar
33.86 millibar
0.02832 cu. m/hr.
.
-20 F.
-30 F.
P/N
974-4135
Rev: 2.51
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