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SMOKE DAMPER AIRFOIL BLADE – MODEL 682 CLASS II


Download Product Catalogue for SMOKE DAMPER AIRFOIL BLADE – MODEL 682 CLASS II

Features – U.L. rated for dynamic closure & leakageCLASS II @ 350° F (176°) C. Meets NFPA 90A & UL555S. STANDARD CONSTRUCTION

FRAME: 4-5/16” (110) deep, 16 gauge (1.6) galvanized steel

BLADES: 6 1/2” (165) wide, double wall 20 gauge (1.0) galvanized steel in airfoil shape, equivalent to a 14-gauge (1.9) single skin blade. (Bottom blade width may vary depending on damper height)

BLADE AXLES & BEARINGS
AXLES – 7/16”(11) 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 144”w x 48”h (3658 x 1219)
One actuator on each section (Dynamic Rated)
Available also in 144”w x 96”h (3658 x 2438) (Static Rated)

MAXIMUM SINGLE SECTION: Single section assemblies – 32” W x 48”H (813 x 1219)

MINIMUM SIZE: 12”W x 8”H (305 x 203)

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)

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