NON VISION GRILLES

EX-AL NV Grille-single core with fixed inverted V-shaped blades preventing any sight through grille. EX-AL NV-SF Grille-single core with fixed inverted V-shaped blades preventing any sight through grille, with matching rear flange.

Selection Chart for Non Vision Grilles

VISION PROOF TRANSFER GRILLES

Description

These grilles allow air transfer between adjacent areas whilst remaining vision proof. They are suitable for mounting in doors, partitions and walls. With minor modification these units will prevent light transfer and in this mode are ideally suitable for 'dark room' applications.

Construction

Frame and blades are manufactured from HE9TF Extruded Aluminium with Natural Anodised Satin finish as standard. Frames are mitred with mechanically joined corners and the blades are set in cores at 20mm centres. Blade cores can be supplied without frames.

Standard Fixing

Frames supplied with pre-punched holes in front face, unless otherwise requested.

Standard size

100 x 100 to 1000 x 1000 in 50mm increments. Other sizes are available on request.

Options

Alternative fixing methods, removable core, powder coat paint finish. From our standard colour range.