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FGB_ Fixed Linear Bar Grilles
SDG & DDG Adjustable Grilles
Adjustable Grilles Heavy Duty
Eggcrate Grilles
Non Vision & Non Vision Darkroom Grilles
Floor Grilles
Computer Floor Grilles
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Non Vision & Darkroom Grilles
NON VISION GRILLES (NVG) are suitable for the transfer of air through doors or walls but where 'through vision' is not required (free area 41%) Double banked units can be used for darkroom applications (NVR/DR).NVG grilles are manufactured from extruded aluminium sections, the mitred corners being fully welded and linished. Finally the NVG is stove enamelled silver 'Analum' as standard and the NVG/DR is egg shell black as standard. Other finishes are available. perf13.jpg (20096 bytes)

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NVG Core in channel frame for flush mounting within thickness of door or partition.
NVG/F Complete with mounting flange.
NVG/BF With flange plus loose telescopic rear flange for variable door thicknesses.
NVG/DR Double unit with flange for darkroom use.


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Grilles are available to fit openings from 100mm x 100mm up to 600mm x 600mm as a single unit.
NVG/DR grilles are only suitable for a minimum door or partition thickness of 40mm.

Fixing Methods

FMA - Screw fixing (standard) for all excluding NVG which is suitable for beading in by others.

Performance Data Non Vision & Darkroom Grilles (NVG & NVG/DR)