ISO 9001 : 2008

CERTIFIED

UL-555 Classified Fire Damper B-20 Series FD-GB-20-AS

Model : FD-GB-20-AS/BS/AF/BF/R UL 555 Damper meets
the required standards of SMACNA, NFPA, IBC, BOCA,
ICBO, UL.

 

Standard Construction

Frame: 18 gauge (1.2 mm) thick galvanized steel.
Blades
Curtain type blade made of 22 gauge (0.8 mm) thick galvanized steel.
Fusible Link: 165°F.
Blade Ramp: 16 gauge (1.5 mm) thick galvanized steel angle.
Spring: 0.3 mm thick by 19 mm wide, stainless steel constant force spring.
Mounting: Vertical / Horizontal
Sleeve: Minimum 0.7 mm, single section is field or factory installed.
Multiple section is factory installed.
Sleeve thickness as per NFPA table 3-4.6.3.

 

Optional Fittings

Retaining Angles:  1½” x 1½” x 16 gauge (40 x 40 x1.5) mm.
Limit Switches:  For BMS open / close indication.
Transitions (R): Neck adapter for round duct connections

Type : Fire Damper
Model : FD-GB-20-AS/BS/AF/BF/R
Fire Rating : 20 Series: 1½ hour
Construction : Galvanized Steel (GI)

UL- 555 Test Ratings
Fire Rating : 1½ hrs.

Downloads

Request for Quotation

  • MSFD-GB-31C3-A-R

    Galvanized construction, 3-hour, Class 3 leakage at 350° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
    Read more
  • MSFD-GB-31C2-A-R

    Galvanized construction, 3-hour, Class 2 leakage at 250° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
    Read more
  • MSFD-GB-31C1-A-R

    Galvanized construction, 3-hour, Class 1 leakage at 250° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
    Read more