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2.
Technical Gas Data
a. Gas Specifications
Refer to the illustration on page 12.
b. Gas Connections
Run a 2 (5.08 cm) gas pipe from the main gas header to the dryer. There is a 2 (5.08 cm) gas pipe
connection at the bottom of the dryer base.
Inlet Connection ----------- one (1) 2-inch F.P.T.
Btu/hr input (per dryer) --- 1,600,000 btu/hr - 403,200 kcal/hr
1) Natural Gas
Pressure regulation is controlled by both gas valves internal regulators. Incoming supply pressure
must be consistently between a minimum of 6.0 inches water column (W.C.) - 14.92 mb - and a
maximum of 10.5 inches water column (W.C.) - 26.1 mb.
2) Liquid Propane (L.P.) Gas
Dryers made for use with liquid propane (L.P.) gas have both of their gas valves internal pressure
regulators open so that the gas pressure must be regulated upstream of the dryer. The pressure is
measured at each gas valve pressure tap and must be a consistent 10.5 inches water column (W.C.)
- 26.1 mb. There is no regulator or regulation provided in an L.P. gas dryer. The water column must
be regulated at the source (L.P. tank) or external regulator/regulation must be added to each dryer.
Type of Gas
Natural Liquid Propane
Manifold Pressure* 3.5 inches W.C. 8.7 mb 10.5 inches W.C. 26.1 mb
Inline Pressure 6.0 inches W.C.
14.9 mb
10.5 inches W.C.
26.1 mb
Shaded areas are stated in metric equivalents
* Measured at gas valve pressure taps when the gas valves are on.