12mm Security Grille

Designed as a medium security grille for small to medium openings and featuring a brick design format. Atlas's 12mm Grille offers maximum airflow and visibility without sacrificing strength and security.

General Details
Designed as a medium security grille for small to medium openings and featuring a brick design format. Atlas’s 12mm Grille offers maximum airflow and visibility without sacrificing strength and security.
Description
Applications
 Suitable for many commercial applications including: Shopping Centres, Bar Tops, Counter Tops, Shopfronts, Doorways, Bottle Shops, Sports Complexes, Arcades, Clubs, Ventilation Security,

Opening sizes:
5000mm wide x 4000mm High

Features
 Economical, lightweight and sturdy aluminium grilles ideal for small to medium openings, offering maximum airflow and visibility without sacrificing strength and security.

Operation
 All doors are counterbalances per manual operation and motorisation is optional. There is a wide range of control methods available with motorised doors which can be discussed when determining your requirements.

Finish
 Available in standard clear anodised finish (matt natural), but can be powder coated as an option.

Specification
Curtain – is constructed of 12 mm aluminium tubes interspaced with clear polycarbonates links forming a brick pattern

Side Guide – 50mm x 30mm extruded aluminium aluminium section with specifically shaped retainer to enable us of optional nylon buffer
Locking – is centrally mounted two way Mortice Key Lock mounted within mid rail at approximately 900mm above floor level. Alternatively the locking can be placed within the Bottom Rail section

Bottom Rail – 29mm x 48mm specially extruded snap on section to prevent door from rising through the bulkhead, yet enable ease installation where recessed guides are used.

Brackets – Manufactured from 90mm x 40mm slotted angles

Roller Drum – Manufactured from 150mm or 230mm spiral ducted tube attached to ball bearing drum wheels rotating on a 34mm steel shaft. The shaft shall be fitted with helical springs designed to counterbalance the curtain weight throughout its operation. The drum shall be designed to give minimum deflection over the span.

Mullions – Specially designed 130mm x30mm one piece extrusion for straight openings and two piece sections that can be set to any angle and shall be used for wide openings and multiple door installations.

Mullions shall be lift out type with shoot bolts to base. Special wide mullions fabricated from aluminium sheet shall be used when two doors meet at an acute angle and no headroom exists for different mounting heights of doors (stacking).

 

Bundle Sizes for medium duty operations
Bundle Diameters for 12mm Roller Grilles

Drop

150mm Drum 12mm

229mm
Drum 12mm

1200

300

285

1500

310

285

1800

320

285

2100

330

305

2400

340

310

2700

360

310

3000

370

335

3300

390

345

3600 415 345

4000

435

440

Technical Drawing