SUGGESTED SPECIFICATIONS FOR VENTILATOR MODEL
HVXISIM
Exhaust Ventilator to be SOUTHERN ENGINEERING SYSTEMS BY Duke Mfg Co., model
HVXISIM, Type I, UL listed hood assembly for commercial cooking appliances and be in compliance
with NFPA Bulletin No. 96 Ventilator shall be high velocity, low volume, cartridge type and have a
nominal 95% grease extraction efficiency certified by an independent testing laboratory.
Ventilator Canopy constructed of 18-gauge stainless steel (where exposed) with bottom perimeter
edges gutterless. Weld extraction chamber, plenum, and external seams and joints to form a liquid tight
construction. Polish stainless steel to a #3 finish.
Exhaust plenum Cartridge Housing to be dual inlet, same material as canopy, full length of section at
the center. Furnish welded stainless steel self-draining cartridge inserts, installed horizontally. Cartridge
housing to form a high-velocity slot. Inserts to lift out using tool provided exposing access to plenum
chamber for easy cleaning. Bottom of exhaust plenum to be formed into a pitched gutter to accept
gravity flow residue and drain to a covered stainless steel containers.
Grease Containers constructed of 18-gauge stainless steel having a maximum capacity of one gallon.
Fabricate container so as to be easily removable for daily cleaning. Removal of container exposes 11/2” ID stainless steel tube to allow capture of cleaning solution when hood and duct system are
cleaned.
Furnish Duct Collar, fully welded, in top of canopy within each exhaust plenum area. Duct collar size
based on an average 1800 F.P.M. air velocity.
Optional automatic exhaust Fire Damper constructed of 12-gauge steel within exhaust duct collar.
Damper operated by an externally mounted spring-loaded mechanism and controlled by a fusible link.
Integral Make-Up Air furnished at front of ventilator shall be SOUTHERN ENGINEERING
proprietary “Short Cycle” design. Outside shell constructed of 18 gauge stainless steel integrated with
canopy. Lower inside wall of chamber constructed of perforated 18 gauge stainless steel forming a
continuous make-up air diffuser. Diffuser to lift out suing handles provided for easy access to chamber.
Make-up air chamber fitted with an interior diffuser baffle designed to provide even air distribution
across the perforated surface. Top of chamber to be fitted with a properly sized rectangular duct collar.
Make-up air duct collar provided with NFPA 96 damper and sized to permit up to 60% supply air.
Furnish UL listed, NSF listed, vapor proof incandescent Light Fixtures (optional) installed on 3’ to 4’
centers. Fixtures to be completely inter wired to a junction box and left ready for final connection to
power source. Field connections, light switch and bulbs by applicable trades.
Furnish Rod Hanger Brackets at front and center to suspend canopy from ceiling.
Canopy shall be UL Listed and NSF approved. All equipment built in an ISO 9001:2000 approved
manufacturing facility.
2305 N. Broadway
St. Louis, MO 63012
Ph 314-231-1130
Ph 314-231-1130
BY
"Your Solutions Partner"
www.dukemfg.com
6/07
Exhaust Requirements Make-up Air Requirements
CFM ________________ SP (“w.g.) _____________ CFM ________________ SP (“w.g.) ________
Duct Collar ________ “x ______________” Duct Collar ________ “x __________”
Fire Protection Lighting Fixture (UL listed)
(Submit cooking equipment plan showing make Globe incandescent (100W)
and model on equipment.) Recessed incandescent (150W)
Ansul Wet #R-102 Recessed fluorescent
Other ___________________________________ Light switch
Internal Piping Only NOTE: Incandescent lights are located
Complete System on approx. 4’ centers. Fluorescent
By Others fixtures are 3’ (50W) and 4’ (64W)
NOTE: Fuel shut-off devices by others (unless specified
Optional Accessories
otherwise). Enclosure paneling
(Finished ceiling higher than 9’0”)
Fan switch
Loose duct collars
UL Exhaust Fire Damper
Shipping Wt. 130 lbs./Linear Ft.
COMMENTS/NOTES __________________________________________________________________
N.F.P.A. #96 SUPPLY DAMPERS
3/8" DIA. G.I. ROD HANGERS
FURNISHED BY OTHERS
FINISHED S.S. PANELING
DIFFUSER BAFFLES
1/2" INSULATION ON INTERIOR
18 GA. S.S. PERF. PANELING
WITH LIFT-OFF HANDELS FOR
EASY REMOVAL
U.L. LISTED FIRE DAMPERS
2'-6"
6'-6" A.F.F.
INCANDESCENT LIGHTS
(FLOURESCENT LIGHTS OPTIONAL)
(OPTIONAL)
5"
"
2'-0" 9"
9"
BULBS NOT INCL.
"
(60 - 72" STD.)
'- "
"
"
REMOVABLE S.S.
GREASE CARTRIDGES
'- "
REMOVABLE S.S.
GREASE CONTAINERS