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Supply air, exhaust, and ventilation cross-sections
Example 3
Configuring exhaust ducting and a supply pipe made from steel for the PT 825x series
tumble dryer:
L1, L2:
each 6' 6" (2.0 m) steel piping
L3:
8' 2" (2.5 m) steel piping
B1, B2:
90° concertina pipe elbow for each
B3, B4:
90° elbow (r = d) for each
B3
L1
L3
B4
1. Total pipe length
Steel pipe
Steel pipe
Steel pipe
90° concertina pipe elbow
90° concertina pipe elbow
90° elbow (r = d)
90° elbow (r = d)
Total pipe length
* Substitute pipe lengths according to Table 1
2. Pipe diameter depending on total pipe length
For the calculated total pipe length of 54' 9" (16.7 m) of a PT 825x, a minimum pipe diame-
ter of 6" (150 mm) is specified for the exhaust ducting and supply pipe according to Ta-
ble 2.
12
L2
B2
B1
B1 = 10' 6" (3.2 m)*
B2 = 10' 6" (3.2 m)*
B3 = 6' 3" (1.9 m*)
B4 = 6' 3" (1.9 m*)
L1 = 6' 6" (2.0 m)
L2 = 6' 6" (2.0 m)
L3 = 8'2" (2.5 m)
54' 9" (16.7 m)
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