Type : Quadrant Fire Damper With Melting Fuse
Fire Rating : 30 Series-3 hour.
Blade Type : 3V Single Skin; A : Parallel Operation
Construction : Galvanized Steel (GI)
QFD B-F-30 Series is a high performance UL 555 Classified fire damper with 3hr. fire rating, operated manually with quadrant, installed horizontally blades running horizontally) and is rated for airflow in either direction.
Data
UL-555 Test Ratings
Fire Rating : 3 hrs
Standard Construction
Frame
16 gauge (1.4 mm – 1.7 mm) thick galvanized steel.
Blades
Parallel operated 3 ‘V’ type blade made of 16 gauge (1.4 mm – 1.7 mm) thick galvanized steel.
Jamb Seals
Stainless steel.
Jack Shaft
12 mm diameter Galvanized steel shaft.
Spring
Mild steel Spring ( 30lb).
Fusible Link
165°F
Operator
Manual quadrant.
Sleeve
Minimum 0.9 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 x 1.5 mm).
Blade Seals
Silicon rubber blade seals.
Indicator
Externally mounted open, close visible Indicator.
Transitions (R)
Neck adapter for round duct connections.
Model : QFD-GB-F-30-A/R UL 555 Damper meets the required standards of SMACNA, NFPA, IBC, BOCA, ICBO, UL.
Note : * Standard Fusible link temperature is 165°F
Above 165°F available upon customer request.
