SUGGESTED SPECIFICATIONS FOR VENTILATOR MODEL
HVXWDM
Exhaust Ventilator to be SOUTHERN ENGINEERING SYSTEMS by Duke Mfg Co., Model
HVXWDM, 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.
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 Extraction Chamber to be same material as canopy, full length of section at the
back. 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 container.
Grease Container 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 exhaust plenum area. Duct collar size based
on an average 1800 F.P.M. air velocity.
Optional automatic Fire Damper constructed of 12-gauge steel within exhaust duct collar. Damper
operated by an externally mounted spring-loaded mechanism and controlled by an fusible link.
Integral Make-Up Air furnished at front of ventilator shall be SOUTHERN ENGINEERING
Proprietary “Air Curtain” design. Outside shell constructed of 18-gauge stainless steel integrated with
canopy. Front face of canopy fitted with full width 18-gauge stainless steel perforated panels. Panels to
have designed to distribute make-up air outward at low-velocity. Front panels shall be hinged at top to
allow easy access to interior of make up chamber. Make-up air chamber fitted with an interior diffuser
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 size to permit 80% 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 and light switch by applicable trades.
Furnish Rod Hanger Brackets at front and center to suspend canopy from ceiling. Furnish angle
frame members at rear for fastening to wall.
Canopy shall be UL Listed and NSF approved. All equipment built in a ISO 9001:2000 approved
manufacturing facility.
2305 N. Broadway
St. Louis, MO 63012
231-1130 Ph 314-
BY
"Your Solutions Partner"
Fax 314-231-5074
www.dukemfg.com
6/07
Exhaust Requirements
CFM ________________ SP (“w.g.) _____________ CFM ________________ SP (“w.g.) ________
Make-up Air Requirements
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. 100 lbs./Linear Ft.
COMMENTS/NOTES____________________________________________________
3/8" DIA. G.I. ROD HANGERS
FURNISHED BY OTHERS
FINISHED S.S. PANELING
DIFFUSER BAFFLES
18 GA. S.S. PERF. PANELING
HINGED AT TOP FOR ACCESS
INCANDESCENT LIGHTS
(FLOURESCENT LIGHTS OPTIONAL)
BULBS NOT INCL.
G.I. ANGLE AT REAR
FOR WALL MOUNTING
(OPTIONAL) U.L. LISTED FIRE DAMPER
'- "
10"
2"
6"
2'-6"
REMOVABLE S.S.
GREASE CARTRIDGES
10"
(36" MIN. STD.)
6'-6" A.F.F.
2'-0"
'- "
REMOVABLE S.S.
GREASE CONTAINER
4"
" "
"