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2. Technical Gas Data
a. Gas Specifications
Shaded areas are stated in metric equivalents
* Measured at gas valve pressure tap when the gas valve is on.
b. Natural Gas
Regulation is controlled by each dryer’s gas valve’s internal regulator. Incoming supply pressure must
be consistent between a minimum of 6.0 inches (14.92 mb) and a maximum of 12.0 inches (29.9 mb)
water column (W.C.) pressure.
c. Liquid Propane (L.P.) Gas
Dryers made for use with L.P. gas have the gas valve’s internal pressure regulator blocked open so that
the gas pressure must be regulated upstream of the dryer. The pressure measured at each gas valve
pressure tap must be a consistent 10.5 inches (26.1 mb) water column. There is no regulator or
regulation provided in an L.P. dryer. The water column pressure must be regulated at the source (L.P.
tank) or an external regulator must be added to each dryer.
Shaded area is stated in metric equivalent
* Drill Measurement Size (D.M.S.) equivalents are as follows:
Natural Gas ......................... #31 = 0.1200” (3.048 mm).
Liquid Propane Gas .............. #47 = 0.0785” (1.994 mm).
.......................................... #52 = 0.0635” (1.613 mm).
TYPE OF GAS
NATURAL LIQUID PROPANE
Manifold Pressure* 3.5 inches W.C.
8.7 mb
10.5 inches W.C.
26.1 mb
In-Line Pressure 6.0 - 12.0 inches W.C.
14.92 - 29.9 mb
11.0 inches W.C.
27.4 mb
GAS INLET SIZE (EACH BASKET/TUMBLER) 3/4” N.P.T.
INPUT (EACH BASKET/TUMBLER) 80,000 Btu/hr
20,161 kcal/hr
INPUT (TOTAL FOR BOTH BASKETS/TUMBLERS) 160,000 Btu/hr 40,323 kcal/hr
TYPE OF GAS
Liquid
Propane
Conversion Kit
Part Number
Btu/hour
Rating
kcal/hr
Rating
Natural Liquid Propane
Qty. D.M.S.* Part No. Qty. D.M.S.* Part No. Qty. D.M.S.* Part No.
160,000
40,323
4 #31 140818 2 #47 140805 2 #52 140800 883933