Rolling Grille : Security Grille: Roll Up Grille: Roller Grille
Rolling Security Grille Portcullis 312
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Rolling Security Grille  Portcullis 312

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Rolling Grille - Portcullis 312 Curtain:

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1. 5/16 inch (8mm) horizontal aluminum rods.
2. Vertical spacing 3 inch (76mm) o.c.
3. 3/4 inch (19mm) wide aluminum links forming a vertical chain on 12 inch (305mm) centers.
Pattern: Straight

Bottom Bar: Heavy extruded tubular aluminum.

Guides: Heavy extruded aluminum shape 2 1/2 inch (64mm) by 1 7/16 inch (37mm) with upset shoulders for curtain retention. Each guide will be fitted with vinyl stripping for quiet operation and to cushion both sides of curtain.

Support:Support angle: steel angle of recommended size by manufacturer  Or Support tubes: steel tubes of recommended size by manufacturer

Finish-Exposed Aluminum Parts: Mill [Clear Anodized] [Champagne Anodized] [Light Bronze] [Bronze Anodized] [Black Anodized]
Counterbalance: Helical torsion spring assembly set in steel pipe of recommended size by manufacturer to support curtain with a maximum deflection of .03 inch (76mm) per foot of curtain width.

Bracket Plates: Minimum 3/16 inch (5mm) steel plate to support counterbalance assembly, curtain (and hood, optional)

Locking:Thumb turn cylinder coil side, keyed cylinder exterior.OrCentered keyed cylinder both sides of bottom bar.

Operation: Manual push-up Or Hand crank from coil side of curtain.Or

Electric Motor: Size and type recommended by manufacturer

a. Electrical interlocks: mounted on guide or within motor preventing operation when bottom bar is locked.

b. Keyed control stations: Constant contact operation, flush mounted both sides of curtain for secured operation.

c. Emergency Egress Release: Provides a public means for manual operation of the door. This device mounts flush on interior wall and contains a pull handle to disconnect operator from door.

Installation Instruction

Detail Drawing