INSTOCK-GSOS

Hoods and Enclosures Airstream Biological Safety Cabinets

Ambient air is pulled through face opening to create inflow. This inflow is joined by half of the unit downflow, to create a front air curtain that is fine-tuned to provide a large perfor- mance envelope. The combined air stream travels through the back of the unit a creates an air column towards the blower. Approximately 1/3 of the air in the common plenum is ex- hausted through the ULPA filter to the room. The remaining 2/3 of the air is passed through the downflow ULPA filter and into the work area as a vertical laminar flow air to create an ISO Class 3 work zone and to prevent cross contamination Near the work surface, the downflow splits. About half goes to the front grill and half goes to the rear grille. A small portion enters the side capture zones to prevent dead air spaces in the corners. This design is optimized to give large performance envelope, that provides operator and product protection at wide inflow and downflow variation.

ULPA-filtered air Unfiltered/potentially contaminated air Room air/Inflow air

Nominal 36”

Nominal 48”

Nominal 72”

Airstream Class II Type A2

AC2-3S9-NS

AC2-4S9-NS

AC2-6S9-NS

Stands

Adjustable Height with Leveling feet Adjustable Height with Casters

STL-3A0

STL-4A0

STL-6A0

STC-3A0

STC-4A0

STC-6A0

Adjustable stand with Leveling Feet

Adjustable stand with casters

49

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