Purchase Specifications
EdgeGARD
®
HF
PAGE
8
EdgeGARD
®
Horizontal Laminar-Flow Clean Bench
1.
High-velocity return air slots to be located at the leading edges
of work surface and side walls. Return air slots protect against
backwash of dirty air entering the work area when items are
placed within the air stream on the work surface.
2.
Unit shall be all steel construction,
18-gauge, cold-rolled steel, with a white powder coated finish,
stainless steel work surface and stainless steel inner work area
side walls.
3.
Unit shall be provided with permanent split capacitor type
motor and special blower which automatically compensates for
increasing pressure drop across filter in excess of that which is
required by existing standards.
4.
Complete unit shall be listed as certified by Underwriters
Laboratory (UL) for cULus electrical, fire and mechanical safety.
5.
All joints and seams offering a possible path of contaminated air
from outside to the inside of the work area shall be sealed.
6.
Framing for the filter seal shall be of rigid aluminum construction
and only the filter media shall be exposed to the work area
opening, to eliminate picture frame effect.
7.
Unit shall have washable, reusable Scott Foam® pre-filters.
8.
Each unit, before shipping, shall have a complete test to assure
clean bench meets all requirements of ISO 14644. A copy of this
test will be provided with the unit.
9.
The unit manufacturer must be able to provide evidence that
this unit has been tested by an independent laboratory or
research organization.
10. Speed controller shall automatically compensate for voltage
change to maintain constant voltage to motor while allowing for
manual adjustments during filter loading.
11. Unit work surface shall feature
5
⁄
8
" Spill Guard at rear to prevent
accidental spillage into HEPA filter area.
12. The unit shall have standard HEPA filters for a protection
effectiveness of 99.99% when filtering particles of 0.3 micron
size.
13. A removable HEPA filter protective screen shall be provided.
14. Shall be provided with externally mounted GFCI-protected
duplex outlet with circuit breaker.
Summary of Contents for EdgeGARD HF
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