Labconco Protector ClassMate Laboratory Hoods 69716 - Manual (Page 57)

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Chapter 7: Modifying Your Protector ClassMate Fume Hood
Installing Exhaust Adapter
for Back to Back Hoods
The common exhaust adapter P/N 6987000 allows you to
duct two back-to-back Protector ClassMate Fume Hoods
from two 8" (8.62" O.D. pipe) exhaust stacks to one 12"
(12.00" O.D. pipe) exhaust stack. (See Figure 7-3)
Step 1. Simply place the adapter on both hood exhausts
and seal with silicone sealant.
Step 2. Attach the 12" (12.00" O.D.) pipe to your
blower exhaust.
Installing Guardian Digital
Airflow Monitor
The Digital Airflow Monitor P/N 97432-03 allows you to
continuously monitor face velocity through the fume hood
opening. (See Figure 7-4, Figure 7-5, and Figure 7-6)
Figure 7-3