Aluminum Grilles

Model G

Specifications

Warranty

Standard Duty: One year or 12,500 cycles.
Heavy Duty: Two years or 20,000 cycles

Mounting

Face of wall or between-jamb.

Operation

Push-up to 14′ wide and 9′ high and chain hoist on larger sizes is standard. Awning crank, crank box or motor operation are optional.

Curtain

Formed with horizontal rods 1 1/2″ apart, connected by vertical links 9″ apart. Bottom of curtain is reinforced by an extruded aluminum tubular footpiece.

Guides

Extruded aluminum guides are bolted to structural steel wall angles. Guides are fitted with nylon pile wear strips.

Brackets

Steel plate brackets are bolted to wall angles to support curtain and barrel and provide mounting for hood.

Barrel

Steel pipe houses torsion spring assembly and supports curtain with a maximum deflection of .03 inch per foot of width. Torsion springs are mounted on a continuous cold rolled steel shaft, adjustable by a tension wheel outside or inside one bracket.

Locking

Slide Bolt locks standard for push-up operation, optional otherwise.

Finish

Aluminum curtain, footpiece and guides are mill finish. Steel brackets and wall angles receive one coat or rust inhibiting black primer.

Options

Support Tubes

Measuring 4″x4″ or 3″x3″ support tubes are attached to floor and structure above to provide mounting for grille.

Sloped Bottom Section

For door openings on a slope.

Soffit Flange Cover

Measuring 5 1/2″ wide affixed to footpiece bottom is used conceal slot required for above ceiling installations.

Cylinder Locks

Key or thumbturn cylinder lock installed on footpiece for added security and convenience.

Hood Options

Galvanized steel or aluminum sheet metal is offered.

Fixed Grille Panels

Offered in situations where the opening is larger than the door. A static grille curtain is supported by a frame and secures the opening beyond the rolling grille section while providing a continuity in appearance.

Anodized Finishes

Offered include clear, dark bronze, gold and black on curtain, footpiece, guides and hood.

Tubular Motor Operator

Motors completely contained within the barrel can be provided for grilles up to 200 sq ft in limited usage applications. Only the manual crank override is visible outside the bracket.

Emergency Egress System

Recessed pull handle is provided in a flush mounted enclosure to mechanically disconnect motor operator allowing a partial grille opening for egress.

High Cycle Construction

Offered under certain conditions to provide up to 150,000 operating cycles.