Carnes EKCA User Manual

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

COPYRIGHT © 2012 CARNES COMPANY

ALL RIGHTS RESERVED

40049

SPECIFICATION SHEET

Type B Slimline Fire Damper

Model EKCA - Dynamic

Tag Qty.

Size

Variations

Width Height

Project Location
Arch./Engr. Contractor
Representative Date

t Application and Design

The Model EKCA is UL Classified for installation in walls,
floors and partitions with a fire rating of less than 3 hours.
This damper may be installed vertically or horizontally in
static systems or dynamic HVAC systems that continue to
operate in the event of fire. (See optional 3 hour rating.)

Standard Construction:

Frame: roll formed frame, galvanized steel
Blades: low profile roll formed, galvanized steel
Closure Springs: stainless steel constant force coil
Fusible Link - UL-33: UL listed 165°F (standard),

212°F (optional)

Maximum Velocity: 2000 fpm (10.2 m/s)
Maximum Pressure: 4” w.c. (1kPa)

Model EKCA meets or complies with the following as a fire damper:
All major building codes, including IBC/ICC International Code
UL 555 Listing 1-1/2 and 3 hour - File #R26359
ULC S112
NFPA 90A, 80

Note: Dampers are furnished approx. 1/4” undersized as given duct
dimensions, unless otherwise noted.

Standard Sizes (duct) 1-1/2 & 3 Hour

Min. V or H Max. Vertical Size

Max. Horizontal Size

6”W x 4”H

152mm x 102mm

*72”W x 32”H

1829mm x 813mm

*36”W x 32”H

914mm x 813mm

*May consist of multi-sections

Options:

 Factory Sleeve
 Retaining Angles

 One Side  Both Sides
 3 Hour Rating
 Mounting

 Horizontal  Vertical

2-3/16”

(56mm)

Damper = nominal size - 1/4” (6mm)

Galv. steel
interlocking
blades

Fusible link
(replaceable)
165°F std.

Galv. steel frame
20 ga.

Stainless steel
closure spring

Opening = nominal size plus blade

stack (see chart) minus 1/4” (6mm)

3/4”

(19mm)