American Dryer Corp. AD-670 - Manual (Page 20)

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2. Technical Gas Data
a. Gas Specifications
* Measured at the gas valve pressure tap when the gas valve is on.
b. Gas Connections
Run a 2-inch gas pipe from the main gas header to the dryer. There is a 2-inch gas pipe connection at
the bottom of the dryer base.
Inlet Connection ................... 2” F.P.T.
BTU/hr input (per dryer) ...... 2,200,000 BTU/hr (554,400 kcal/hr)
TYPE OF GAS
Natural Liquid Propane
Pressure @ Hi-Fire Gas Valve* 3.5 inches W.C.
8.7 mb
6.5 inches W.C.
16.17 mb
Pressure @ Gauge P1* 3.5 inches W.C.
8.7 mb
6.5 inches W.C.
16.17 mb
Pressure Into Internal Regulator 6.0 - 12.0 inches W.C.
14.92 mb - 29.9 mb 11.0 inches W.C. 27.4 mb
Shaded areas are stated in metric equivalents