Type : Motorized Fire Damper With Melting Fuse
Fire Rating : 30 Series-3 hour.
Blade Type : 3V Single Skin; A : Parallel Operation
Construction : Galvanized Steel (GI), Stainless Steel (SS)
MFD B-F-30 Series is a high performance UL 555 Classified fire damper with 3hr. fire rating, installed horizontally (with blades running horizontally) and is rated for airflow and leakage in either direction.
Fire Rating : 3 hrs
16 gauge (1.4 mm – 1.7 mm) thick galvanized steel.
Parallel operated 3 ‘V’ type blade made of 16 gauge (1.4 mm – 1.7 mm) thick Stainless Steel.
12 mm diameter Galvanized steel shaft.
Honeywell (24V AC, 120V AC, 230V AC).
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.
For BMS open / close indication.
1½” x 1½” x 16 gauge (40 x 40 x 1.5 mm).
Silicon rubber blade seals.
Externally mounted open / close visible indicator.
For manual reset of damper.
Neck adapter for round duct connections.
Model :MFD-GSB-F-30-A/R UL 555Damper meets the required standards of SMACNA,NFPA, IBC, BOCA, ICBO, UL.
Actuator location standard: Left side from rear view
(Jack shaft view)
FC : Fail Close in the event of Fire
Note : * Standard Fusible link temperature is 165°F
Above 165°F available upon customer request.