Perchloric Acid Fume Hood0 pages

Perchloric Acid Fume Hoods
UniFlow Perchloric Acid fume hoods are engineered for the safe handling of perchloric acids in laboratory
procedures. Perchloric Acid hoods come in 48”, 60”, & 72” widths and include a dedicated wash down and
exhaust system. It is recommended to thoroughly wash down fume chamber and exhaust system after each use.
Note: Perchloric Acid Hoods are for perchloric acid use only.

UniFlow Superstructure constructed of

either PVC or 316 stainless steel features exclusive unitized dual wall construction for superior chemical resistance, strength,and durability. Rear drain trough is integral
to superstructure. Fume Chamber type 316 stainless steel
fume or PVC fume chamber and bafe. Dedicated wash
down with integral piping spray nozzles & remote control
on right column.

Access Panel removable to access ducting
connections, wash down system, and electrical services
from a single point electrical box,115V/60Hz AC operation. Energy efcient explosion proof light xture, with
light switch on left column,all factory installed.
PVC or Stainless Steel Work Surfaces
integral PVC or 316 stainless steel work surface and
drainage trough.

Full 30” Viewing Height with 28.5” sash open-

ing height for ease of access and viewing tall apparatus
setup. Sash is 3/16 thick tempered safety glass, vertical
moving with single point counterbalance, contoured sash
handle for efcient air ow and ease of movement.

Air Flow Monitor continuously monitors face

velocity airow, analog or digital available. Meets ANSI
and OSHA requirements.
Optional equipment.
OPTIONAL ACCESSORIES
Refer to HEMCO’s PLAN-A-HOOD on page 9 to
assist in the planning of your UNIFLOW fume hoods.

Ducting & Wash
Down Systems

UniFlow Perchloric Acid Hood Cat. No. 12521,
shown with optional accessories.

Perchloric Acid
Exhaust Blowers
(see page 26)

Fume Hood Face Velocity cfm
Sash in full open position should be for setup of apparatus &
maintenance service only. If opening is at 1/2 open at 120 fpm (feet per
minute), face velocity at full open would be approximately 60 fpm.
The recommended face velocity for perchloric acid fume hood
efciency & safety should be 120 fpm. Lower face velocity may
compromise user safety.

Perchloric Acid Fume Hood
Sash Management & Design
Size hood

48”

60”

72”

Full open cfm Exhaust Blower

950

1250

1525

1/2 open cfm Exhaust Blower

475

625

Airow Monitors
(see page 37)

Wash down
control valve

Plumbing and
Electrical Services
Factory installed
according to your
exact specications
(see page 11)
Base Cabinets and
Worksurfaces
(see page 10)

765

HEMCO Corporation
711 S. Powell Road
Independence, MO 64056

HEMCO
R

Lab Planning Solutions

Phone (816) 796-2900
Fax (816) 796-3333
PERCH-11.13