AIRFOIL BLADE FIRE DAMPERS
E
MUL
TI-BLADE
FIRE
DAMPERS
E16
HOW TO SPECIFY OR TO ORDER
MULTI-BLADE FIRE DAMPERS
MODELS: 1200 / 1201 / 1202 / 1203
HOW TO ORDER:
Select model number and size, then select from each variable as applicable. Choose accessories as desired.
See previous page for description of variables and accessories.
Notes: 1.
*
Standard sleeve is 16" (406) long (suitable for 4" (102) thick wall) x 20 ga. (1.0).
MODEL
SIZE
(W X H)
MOUNTING
CLOSURE DEVICE
CLOSURE TEMP
.
SLEEVE LENGTH
*
SPECIFY
LENGTH
SLEEVE GAUGE
*
JAMB SEALS
(OPTIONAL)
DAMPER LOCA
TION
IN SLEEVE
TRANSITION TYPE
(MODEL
1203
ONL
Y)
1200
ie: 36" x 24"
V
FL
165
20G
CR
L8
NONE
300
1201
or
H
212
18G
CO
L0
JSM
SMP
1202
18" dia.
16G
CSR
QS1
1203
14G
QS2
10G
TDF1
TDF2
ACCESSORIES
SUGGESTED SPECIFICATION:
Provide and install, as shown on plans and/or schedules, multi-blade fire dampers, as manufactured by Nailor Industries, meeting
or exceeding the following criteria: Frame shall be constructed of 16 ga. (1.6) galvanized steel hat channel with mitered corners
reinforced with die-formed corner gussets for strength. Blades shall be 14 ga. (2.0) equivalent galvanized steel formed double
skin, airfoil design, on 5 1/2" (140) centers. Dampers shall be of opposed blade configuration with an interlocking blade design
that provides complete flame and smoke seal under fire conditions at an elevated temperature of 2000°F (1093°C) when in closed
position. Blade axles shall be plated steel, double bolted at each end of blade to provide positive locking connection. Hex or
square friction-fit, or press-fit axles are not acceptable. Bearings shall be self-lubricating oilite bronze type. Blade linkage shall be
zero-maintenance, concealed in frame, out of airstream.
Fire dampers shall meet the requirements of NFPA 90A and shall be manufactured, tested and labeled in accordance with UL
555 Safety Standard for Fire Dampers – Sixth Edition, June 1999 and shall have a 1 1/2 hour fire resistance rating.
Each fire damper shall bear a UL label verifying fire resistance rating in addition to the intended mounting position.
Each fire damper shall be complete with a
(specifier select one)
165°F (74°C)
or
212°F (100°C) UL Listed fusible link that will
cause the damper to close and lock in closed position by means of an over center/knee lock linkage for assured closure. Fire
dampers shall each include a steel sleeve of appropriate length/gauge as field verified by contractor, and retaining angles,
supplied by damper manufacturer to ensure proper installation in accordance with damper manufacturer’s instructions. Each
damper shall be supplied with an internal manual quadrant(s) for setting and locking of blades in desired position. Contractor shall
provide and install an access door at each fire damper, of appropriate size to allow for inspection, testing and fusible link
replacement. Information submitted for approval shall include independent pressure drop data and confirmation of UL
qualifications in addition to manufacturer’s installation instructions. Each shipment of fire dampers shall include same installation
instructions. Standard of acceptance: Nailor Industries Model Series 1200.
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