Combination Fire/Smoke Damper - 1-1/2 Hour - Actuator in the Airstream - Out-of-Partition - Triple-V Blade - Class 3 - FSD-143-OP

Standard Construction

Frame: 5" x 1" (127 x 25) galvanized steel hat channel with inerlocking corner gusset. Equivalent to 13 ga. (2.4) channel frame. Low profile head and sill are used on sizes less than 13" (330) high.

Blades: 6" x 16 ga. (152 x 1.6) galvanized steel - triple-V.

Sleeve: 20 ga. (1.0) galvanized steel with 1" (25) flange and factory installed thermal insulation on four sides.

Axles: 1/2" (13) diameter plated steel hex.

Linkage: Concealed in frame.

Bearings: Stainless steel oilite, sleeve-type.

Seals: Silicone blade edge seals and flexible metal jamb seals.

Actuator: 120 VAC, power-open, spring-close, internal mount.

Fire Closure Device:
HS-10 (electric actuators)
PFV (pneumatic actuators)

Fire Closure Temperature: 165^oF (75^oC)

Minimum Size: 10" x 6" (254 x 152)

Maximum Size: 36" x 48" (914 x 1219)

Ratings

UL 555 Fire Resistance Rating: 1-1/2 hour (vertical and horizontal)

UL 555S Leakage Class: 3
(80 cfm/sq. ft. @ 4 in. wg.)
(0.41 m³/s/m² @ 1.0 kPa)

Maximum Temperature: 350^oF (177^oC)