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Fire Damper-FD-GB-22-A-B-AS-BS-R
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Fire Damper-FD-GB-22-A-B-AS-BS-R
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Description
Type: Fire Damper UL- 555 Test Ratings Fire Rating: 1½ hrs. Standard Construction Frame:20 gauge (0.9 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 Optional Fittings Sleeve. Minimum 0.7 mm, single section is field or factory installed. Retaining Angles:1½” x 1½” x 16 gauge (40 x 40 x 1.5) mm. Limit Switches:For BMS open/close indication. Transitions (R):Neck adapter for round duct connections. Model: FD-GB-22-A/B/AS/BS/R UL 555 Damper meets the required standards of SMACNA, NFPA, IBC, BOCA, ICBO, UL.Fire Damper-FD-GB-22-A-B-AS-BS-R
Fire Rating: 20 Series: 1½ hour
Construction: Galvanized Steel (GI)
Multiple sections are factory installed.
Sleeve thickness as per NFPA table 3-4.6.3.
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