ISO 9001 : 2008

CERTIFIED

FD-GB-20-A-AS-B-BS-AF-BF-R

Type : Fire Damper
Fire Rating : 20 Series: 1½ hour
Construction : Galvanized Steel (GI)

 

 

UL- 555 Test Ratings

Fire Rating : 1½ hrs.

Standard Construction

Frame

18 gauge (1.2 mm) thick galvanized steel.

Blade

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.

Optional Construction (UL Certification N/A)

Frame : Stainless Steel 18 gauge (304/316L)
Blade : Stainless Steel 22 gauge (304/316L)

 

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

 

 

 

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