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2. Technical Gas Data
a. Gas Specifications
Manifold Pressure*
In-Line Pressure
Shaded areas are stated in metric equivalents
* Measured at gas valve pressure tap when the gas valve is on.
b. Gas Connections:
Inlet connection -------- 1" N.P.T.
Inlet supply size -------- 1" 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 6.0 inches (14.92 mb) and a maximum of 12.0 inches
water column (29.9 mb) 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 mb). 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.
BTU
MODEL
Per Hour
NUMBER
Rating
CG115-25
343,000
Shaded area is stated in metric equivalent
* Drill Measurement Size (D.M.S.) equivalents are as follows:
Natural Gas ................ #8
L.P. Gas ..................... #31 = 0.1200" (3.048 mm)
TYPE OF GAS
NATURAL
3.5 inches W.C.
6.0 - 12.0 inches W.C.
Natural
kcal/hr
Rating
Qty. D.M.S.*
86,436
3
#8
= 0.1990" (5.0546 mm)
8.7 mb
10.5 inches W.C.
14.92 - 29.9 mb
11.0 inches W.C.
T
G
YP E OF
AS
Liquid Propane (L.P.)
Part
Qty. D.M.S.*
Number
140837
3
#31
31
LIQUID PROPANE
26.1 mb
27.4 mb
Liquid Propane
(L.P.)
Conversion
Kit
Part
Part Number
Number
140818
882964
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