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Floor grilles<br />
3 1 1<br />
Convector grille<br />
m a t e r i a l<br />
• Made from aluminium sections: AlMgSi 0.5<br />
(according to EN 12020-2)<br />
• Finishing: anodised in satin colour (20 microns) or<br />
powder-coated in any RAL or Syntha Pulvin ® colour<br />
(60-80 microns) (for UK min 40 microns)<br />
• The frame is lined with a rubber gasket to guarantee a<br />
reduced noise level<br />
c r o s s - s e c t i o n s<br />
Length<br />
• 311/1: Floor grille or convector cover with flangeless “L”<br />
frame<br />
f i x i n g<br />
• Brackets ref. 231 included<br />
d i m e n s i o n s<br />
• Bar spacing: 12.5 mm<br />
• Grille section: 20 x 4 mm<br />
• Maximum length:<br />
Frame: 3.5 m<br />
Grille: +/- 1 m<br />
• Effective opening = length and width – 50 mm<br />
• Bars arranged crosswise<br />
• 311/2: Floor grille or convector cover with flanged “Z” frame<br />
• 311/3: Frameless floor grille or convector cover<br />
Width<br />
technical specifications 311<br />
Technical data<br />
Visual free area 76%<br />
Physical free area 76%<br />
- 62 -<br />
w w w . r e n s o n.eu
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