Intec FORCE/2 HP Instruction Manual page 6

Instruction Manual
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Airlock: The airlock transfers the insulation from the agitation system into the airstream. Note
insulation does not come into contact with the blower. Insulation is discharged from the airlock by
way of the machine outlet into the hose. Hose is not shown in above diagram; hose is connected to
the Machine Outlet.
Backflow preventer: The backflow preventer (or one-way valve) is found in the base of the system
(note: shown in below picture) and is positioned between the blower and airlock. The backflow
preventer will keep insulation from flowing backwards through the airlock and into the blower which
may happen when the pressure of product in the hose is more than that of the pressure in the line
between the blower and airlock - examples include (i) hose moving straight up from machine to a
second or third story, or (ii) during some dense pack operation. The backflow preventer prolongs the
blower motor's life.
Underside view of FORCE/2
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