U.L. rated for class-I & class-II Meets NFPA 90A & UL 555S
Suitable for 2000 FPM | 4″ W.G.
STANDARD CONSTRCUTION:
Leakage
Class-1 250ºF
Class- 11 350ºF
FRAME: 4-5/16″ deep, 16 gauge galvanized steel
BLADES: 6 1/2″ wide, double wall 20 gauge galvanized steel in airfoil shape, equivalent to a 14-gauge single skin blade.
(Bottom blade width may vary depending on damper height)
BLADE AXLES & BEARINGS
Axles – 7/16″ Plated hex
Bearings – Bronze oil impregnated
LINKAGE: Plated steel concealed inside of jamb
SEALS: Extruded silicone blade edge and stainless steel jamb seals
MULTIPLE SECTIONS: Maximum single size is 128″w x 96″h
Maximum Single section: Single section assemblies-32″w x 48″H
Minimum Size: 12″w x 8″H
Undersized: 1/4″ (102)under ordered size unless specified Exact or Actual
Finish : Mill
Operator: Refer to UL approved actuator chart(Specify external or internal mounting)
Damper Mounting Position : Horizontal, Vertical
Sleeve : Single Section: 8″
Multi Section : 12″
