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2. Technical Gas Data
a. Gas Specifications
b. Gas Connections:
Inlet connection ---- 1-inch N.P.T.
Inlet supply size ----- 1-inch N.P.T. (minimum)
Btu/hr input (per dryer) ----- 343,000 (86,436 kcal/hr)
1) Natural Gas
Regulation is controlled by the dryer's gas valve's internal regulator. Incoming supply pressure must
be consistent between a minimum of 6-inches (14.92 millibars) and a maximum of 12-inches water
column (29.9 millibars) pressure.
2) 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 water column (26.1 millibars). 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.
TYPE OF GAS
N
ATURAL
L
IQUID
P
ROPANE
Manifold Pressure* 3.5 inches W.C.
8.7 mb
10.5 inches W.C.
26.1 mb
Inline Pressure 6.0 - 12.0 inches W.C.
14.92 - 29.9 mb
10.5 inches W.C.
26.1 mb
Shaded areas are stated in metric equivalents
* Measured at outlet side of gas valve pressure tap when gas valve is on.
T
YPE OF
G
AS
L.P.
Conversion
Kit
Part Number
ADC
MODEL
NUMBER
BTU
Per Hour
Rating
kcal/hr
Rating
Natural Liquid Propane
Qty. D.M.S.*
Part
Number
Qty. D.M.S.*
Part
Number
ADG-115ES 343,000
86,436 3 #8 140837 3 #31 140818 880876
Shaded area is stated in metric equivalent
* D.M.S. (Drill Material Size) equivalents are as follows:
Natural Gas ............... #8 = .1990" (5.0546 mm)
Liquid Propane Gas .. #31 = .1200" (3.048 mm)