IPSO DR75 - Dryer Installation with Multiple Exhaust; Duct Sizing for Multiple Dryers

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Dryer Installation With Multiple Exhaust
For Exhaust Duct less than 14 feet (5 m) and 2
elbows equivalent and less than 0.3 inches (8 mm)
static pressure.
DRYER EXHAUSTS
Area of section “A-A” must be equal to the sum of dryer exhaust pipes
entering multiple exhaust pipe. (See chart below.)
DR75
No. of Dryers
Duct Diameter
(in inches)
(in CM)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
8 1214161820222324262728293031323334353637383940
20 30 25 41 46 51 56 58 61 66 68 71 73 76 78 81 84 86 89 91 94 97 99 100
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Exhaust
Booster Fan
Power Supply
to Fan
Relay Coils
Start and Stop
Switches on
Dryers