Carnes EFVA User Manual
CARNES COMPANY 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: (608)845-6411 Fax: (608)845-6504 www.carnes.com
COPYRIGHT © 2012 CARNES COMPANY
ALL RIGHTS RESERVED
40076, pg 1
SPECIFICATION SHEET
Combination Fire/Smoke Damper, Class I
Model EFVA - Corridor Damper, Crimped (3V) Blade, w/Sleeve
Tag Qty.
Size
Variations
Width Height
Project Location
Arch./Engr. Contractor
Representative Date
t Standard Construction
Frame: roll formed galvanized steel hat-section with
staked corners with integral bracing
Blades: 16 ga. roll formed, galvanized steel,
min. width 4.250”, max. width 7.250”
Bearings: bronze oilite, press-fit into frame
Axles: square, plated steel
Seals: pressure sensitive 450°F silicone blade edge
seals and flexible metal jamb seals
Linkage: concealed in frame, linkage bars are .125”
thick plated steel
Controlled Closure Device: (heat activated)
EFL - 165°F standard, 212°, 250°, 350°F available
PFL - 165°F standard, 212°F available
Sleeve: 16” x 20 ga. standard,
other gauges and lengths also available
Finish: mill galvanized
Maximum Velocity: 2000 fpm (10.2 m/s) on all sizes
Maximum Pressure: 4” w.c. (1kPa)
Sizes:
Minimum Size: 8”W x 6”H (203mm x 152mm)
Maximum Size: 24”W x 24”H (610mm x 610mm)
Features:
• The EFVA series Corridor Fire/Smoke Dampers have
been designed and tested to exceed all UL, ULC and
NFPA requirements for fire dampers as well as smoke
dampers.
• EFVA is UL 555 listed and labeled as a fire damper.
• UL listed for horizontal mounting.
• UL 555S listed and labeled as a Leakage Class I rated
Smoke Damper with airflow in both directions. Class I
provides for a max. leakage of 8 cfm per sq. ft. at 4.0
inches static pressure.
Notes:
• Sleeved dampers are furnished approximately same size as given
duct dimensions, unless otherwise noted.
Options:
Retaining Angles
One Side
Both Sides
Transitions
Round
Oval
Actuator
Electric
Pneumatic, 25 psi
Smoke Detector
Ionization
Photoelectric
DTO/RE w/MS Pkg.
Micro Switch Pkg.
RCB-1, -2, -3 (EXRA)
EFVA in
sleeve
Fire separation
(by others)
UL 555S CLASSIFIED AT
250°F OR 350°F DEPENDING
UPON MOTOR/OPERATOR
40076, pg 2
PERFORMANCE DATA
Pressure drop testing was done by an independent laboratory to the AMCA Standard 500-D, Fig. 5.3
ductwork upstream and downstream.
DAMPER SIZE 24 x 24
VELOCITY THROUGH FACE AREA
PRESSURE DROP - INCHES OF WATER (In. W.C.)
1.0
.9
.8
.7
.6
.5
.4
.3
.25
.2
.15
.1
.09
.08
.07
.06
.05
.04
.03
.025
.02
.015
.01
100
1000
150 200 300 400 500 700 900 1500 2000 3000 4000 6000
1.5
2.0
2.5
DAMPER SIZE 12 x 12
VELOCITY THROUGH FACE AREA
PRESSURE DROP - INCHES OF WATER (In. W.C.)
1.0
.9
.8
.7
.6
.5
.4
.3
.25
.2
.15
.1
.09
.08
.07
.06
.05
.04
.03
.025
.02
.015
.01
100
1000
150 200 300 400 500 700 900 15002000
3000 4000 6000
1.5
2.0
2.5
Model EFVA - Combination Fire/Smoke Damper, Class I
Corridor Damper, Crimped (3V) Blade
UL 555 and ULC S112 Listed, UL 555S and ULC S112.1 Listed, 1 Hour Rated
Suggested Specifications:
Corridor Dampers shall be Model EFVA by the Carnes Company. Corridor Dampers shall bear the Underwriters’
Laboratories label for “Corridor” dampers and have a minimum 1 hour fire rating and a minimum Class I leakage
rating with a maximum leakage of 8 cfm per sq. ft. at 4.0 inches static pressure for any size. Linkage shall be of
the concealed type for maximum free area.
• The EFVA series Corridor Dampers have been designed and tested to exceed all UL, NFPA, UBC and City of
Los Angeles requirements for corridor dampers installed in tunnel corridor ceiling constructions.
• UL 555 listed and labeled as a 1 hour fire damper.
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