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B R A V O ™ 8 1 0 5 M A C H I N E I N S T A L L A T I O N
2
Exhaust Setup and Balancing
Procedure (Continued)
Photograph
Standard Air Machine
Exhaust Setup Table
2-58
• The control arm attached to the blast gate is parallel to the blast gate orienta-
tion. Therefore, if the control arm is perpendicular to the ductwork, the air
flow is blocked. If the control arm is parallel with the flow of air (i.e., parallel
to the length of the ductwork in which it is located), then the air flow is unob-
structed. Refer to Figure 2–28 for an example showing an open blast gate at
one of the centrally–located stacks.
Measurement
Blast Gate
Control Arm
Figure 2–28
Refer to the following table when performing Exhaust Setup and Balancing.
Exhaust Port
Velocity Pressure (inches of H2O)
Load End
0.08
Unload End
0.50
Center (per stack) 0.18
Water gauge static pressure drop is 33 mm (1.3 in.)for the152 mm (6 in.) stack
on the machine
Bravo™ 8105 Installation Guide
Point
(Open)
Flow Rate Equivalent
100
250
150
Rev. 2
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