Products : Security Grilles

Specifications

Curtain:
Constructed of 0.5” aluminium tubes at 2” centres connected with 4.3” x 0.8” x 0.4” nylon or polycarbonate links spaced at 8.7” centres to form a brick pattern.

Side Guide:
164’ x 1.3” extruded aluminium with false back for concealing fixings. Optional Nylofelt Buffer available.

Locking:
Shall be centrally mounted, two way Mortice Key Lock or sliding shoot bolt locking mounted within the bottom rail.

Bottom Rail:
3.5” x 1.9” extruded aluminium section incorporating locking device and concealed locking rods and optional
PVC Buffer.

Brackets:
Manufactured from 3.5” x 1.6” mild steel.

Roller Drum:
Manufactured from 9” spiral ducted tube attached to ball bearing drum wheels rotating on a 1.3” 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 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).

Finish:
The Monarch Security Grille can be supplied in any anodized or powder coat color. Links are available in silver, black and clear.