Carnes FAMA User Manual

COPYRIGHT © 2011 CARNES COMPANY

ALL RIGHTS RESERVED

17163, pg 1

SPECIFICATION SHEET

Galv. Counterbalanced Backdraft Damper (Heavy Duty) - Model FAMA

304 Stainless Steel Construction - Model FANA
316 Stainless Steel Construction - Model FAPA

CARNES COMPANY, 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: [phone] Fax: [phone] [e-mail]

Model FAMA

Ratings
Pressure: 4” w.g. - differential pressure
Velocity: 4000 fpm
Temperature: 180°F

Model FAMA Specifications
Frame: 16 ga. galvanized steel
Blades: 16 ga. gal. steel w/counterbalance weights
Linkage: zinc plated concealed
Axles: 1/2” diameter cast zinc & steel
Blade Seal: PVC (180°F)
Bearings: bronze oilite

Size Limitations
Minimum Size: 6”w x 6”h
Maximum Single Section Size: 48”w x 48”h
Maximum Double Section Size: 96”w x 96”h

Options and Accessories

 Heavy gauge steel construction
 Custom flange
 Side plate (20 ga. galvanized steel)
 In airstream counterbalanced weights
 Epoxy coated
 450°F silicone blade seals
 Optional 304 stainless steel const. (Model FANA)
 Optional 316 stainless steel const. (Model FAPA)

Tag Qty.

Size

Frame Variations

Width Height

Project Location
Arch./Engr. Contractor
Representative Date

*H

*Standard 1/4” undersized.

*W

3.40”

Blade Detail

Counter Weight

Blade

4-1/2”

Counterbalance Weight Detail

17163, pg 2

Model FAMA Performance Data
Damper Performance

Damper Pressure Drop
(24” x 24”)

Air Velocity in feet (meters) per minute through Face Area

Tested per AMCA Std. 500, Fig. 5.3,

ductwork upstream and downstream.

Set at least resistant to open

FAMA Air Flow Arrangements

Standard counterweights at jamb (assist to close)

No FlangeWith Flange

*

DAMPER

WIDTH

MAXIMUM

BACK

PRESSURE

MAXIMUM

SYSTEM

VELOCITY

LEAKAGE*

BLADES

START TO

OPEN

BLADES

FULLY OPEN

Percent of
Max. Flow

CFM/

Sq. Ft.

48” (1219) 4.0” w.g. 4000 FPM .61 15

**.01” w.g. **.05” w.g.

36” (914) 8.0” w.g. 4000 FPM .6 15
24” (610) 12.0” w.g. 4000 FPM .72 18
12” (305) 16.0” w.g. 4000 FPM 1 24

*Leakage information based on pressure differential of 1” w.g. tested per AMCA Std. 500.
**Set at least resistant to open.