FD-GBD-20-AS-BS-AF-BF-R
Type : Fire Damper
Fire Rating : 20 Series: 1½ hour
Construction : Galvanized Steel (GI)
Data
UL- 555 Test Ratings
Fire Rating: 1½ hrs.
Max Velocity: 2000 fpm (for Dynamic Systems)
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
Curtain type blade made of 22 gauge (0.8 mm) thick galvanized steel.
Spring
0.3 mm thick by 19 mm wide, stainless steel constant force spring.
Mounting
Vertical
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.
Model: FD-SGB-22-A/B/AS/BS/R UL 555 Damper meets the required standards of SMACNA, NFPA, IBC, BOCA, ICBO, UL.
Optional Construction (UL Certification N/A)
Frame: Stainless Steel 18 gauge (304/316L)
Blade: Stainless Steel 22 gauge (304/316L)
Model:FD-GBD-20-AS/BS/AF/BF/R UL 555 Damper meets the required standards of SMACNA, NFPA, IBC, BOCA, ICBO, UL.
