LTA

Light screening transfer grille for wall or door mounting

Light-blocking
The LTA is supplied made of anodized aluminium as standard.
Two ventilation grilles with black paint finish are enough for dark room walls
Telescopic counter flange

ItemFunction
- Supply air, Transfer air

LTA is a rectangular grille for installation in walls or doors. It is used as a supply or transfer air diffuser between rooms where light transmission is not desirable.

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
LTA Size	l/s
LTA Size	10 Pa	15 Pa	20 Pa
200-100	14	19	21
400-100	30	35	42
600-100	46	55	65
400-150	52	62	72
600-150	70	83	100
800-150	110	130	150
400-200	70	83	100
600-200	110	130	150
800-200	142	180	200
The data applies to a grille placed in a wall. *) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m² room absorption area.

LTAT 1

Telescopic counterflange

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Include Accessory documents

Document	Article	Document type	Date	Download
NEW test doc english USA (only) (pdf 16.09kB)	123456	Quality	1/20/2025