Example of grating specification 20x30 / 20x2SP / 20x3 / 4
Example of grating specification 20x30 / 20x2SP / 20x3 / 4
Example of grating specification 20x30 / 20x2SP / 20x3 / 4
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Project: Imperial War Museum, North<br />
Manchester, England<br />
Year <strong>of</strong> delivery: 2001<br />
Gratings m 2 : App. 150 m 2<br />
Purpose: Vertical ventilation grilles<br />
Type: Ventilation <strong>grating</strong>s<br />
With bars louvred at 45°<br />
Material: Steel 37-2<br />
Finish: Galvanized - Syntha Pulvin Polyester<br />
Powder Coated to RAL 7016 Matt<br />
Mesh: 20x60 mm<br />
20 mm between horizontal bars<br />
60 mm between vertical bars<br />
Bars: 30x2 mm vertical bars<br />
40x2 mm louvred bars<br />
Edge bars: 30x3 mm - on 4 sides<br />
Note: Discrete fixing method - 26 mm<br />
diameter punched hole in horizontal<br />
bars to allow bolthead to pass through<br />
to flush welded rear fixing plate.<br />
Elefant Gratings Ltd.
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