Vent Products

Frame: 14 ga. galvanized press formed steel.
Blades: 16 ga. galv. steel with press formed “V” reinforcements.
Minimum size: 4″ x 4″.
Bearings: 1/2″ dia. self-lubricating porous bronze.
Rods: 1/2″
Maximum single section : 48″ x 16″.
Note: A and B are opening dimensions. Unless otherwise specified dampers are made 1/4″ undersize.

Frame: 14 ga. galvanized press formed steel with welded corners.
Blades: 16 ga. galv. steel with press formed reinforcements.
Bearings: 1/2″ dia. self lubricating porous bronze
Rods: 1/2″
Hardware: Plated steel center brackets, brass pivots, 1/4″ or 5/16″ dia. plated steel linkage rod.
Maximum temperature: 250°F
Max. Velocity: 2000 fpm.

Frame: 14 ga. press formed steel.
Blades: .080 aluminum with press formed “V” reinforcements.
Adjustable weights: 1 1/2″ diameter plated steel washers on slotted aluminum brackets; maximum 2 brackets per section.
Counterweights: 1/4″ x 1 1/4″ galvanized steel bars.
Rods: 1/2″
Bearings: 1/2″ I.D. ball bearings.
Linkage: .063 semi-hard aluminum center brackets and 1/4″ dia. plated C1018 steel rod.
Construction: Welded frame and riveted hardware.
Max. size: 48″ x 48″
Max. static pressure: 4″ w.g.
Max. temperature: 250°F

Frame: 4″ to 7″ dia. 14 ga. x 2″ Galv. Steel.
Blades: 16 ga. galv. press formed steel.
Bearings: 1/2″ dia. self lubricating porous bronze.
Bearing pins: 1/2″ dia. x 2″ long plated steel rods
Hardware: Plated brackets, brass pivots, 1/4″ dia. steel rods.
Rods: 1/2″
Seal: 1/2″ x 1/2″ polyurethane foam (Max. Temp. 200°F).
Max. temperature: 200°F
Max. velocity: 2000 FPM.
Max. single section: 48″ x 72″

Frame .080 6063T5 extruded aluminum.
Blades: .072 6063T5 extruded aluminum with full length pivoting.
Birdscreen: .051 X 3/4” diamond pattern expanded aluminum
Hardware: Plated steel center brackets; brass pivots; 5/16
Operating arm: 14 gauge galvanized steel.
Cover channel: 063 aluminum.
Blade edge seal: Vinyl gasketing extending full length of adjustable blades.
Max. single section: 60

Frame: .080 6063T5 extruded aluminum.
Blades: .072 6063T5 extruded aluminum with full length pivoting.
Birdscreen: .051 x 3/4″ diamond pattern; expanded aluminum.
Hardware: Plated steel center brackets; brass pivots; 5/16″ dia. plated steel linkage rod
Cover channel: .063 aluminum
Motor cover plate: .063 aluminum
Blade edge seal: Vinyl gasketing extending full length of adjustable blades.
Max. single section: 60″ x 60″, 48″ x 72″, 24″ x 96″

Frame: .081 6063T5 extruded aluminum
Blades: .081 6063T5 extruded aluminum
Max. single section: 72″ x 96″
Birdscreen: .051 x 3/4″ diamond pattern; expanded aluminum.
Note: A and B are opening dimensions. Unless otherwise specified, louvers are made 1/4″ undersize.