Grain Systems PNEG-1798 - Manual (Page 21)

7. Procedure
PNEG-1798 Tower and T-Series Dryers Vaporizer 21
Figure 7M The piping has exited the inside of the burner can to the outside of the assembly structure.
These pipes were then crossed at this point due to space and limited access. The 3/4" liquid line is now
to the left of the 2" burner line and the 1-1/4" vapor line is to the right of the 2" burner line.
7.3.5. Vaporizer piping (3/4" and 1-1/4") is now run downward toward the window where the 2" burner
line exits the dryer. Holes must be drilled, punched or cut for the pipes to penetrate the steel plate
the divides the cooling section from the heating section.
(See Figure 7N.)
Figure 7N Piping 3/4", 1-1/4" and 2", going through the steel divider plate.
Notice the use of unions for piping connections.