Fresh air valve lindab | we simplify construction ULA Rubber seal Rubber seal Ø180 Ø150 Ø140 Ø180 42 Damper Filter 250-430 Sound insulation External grille type 1 42 Insect netting Description ULA is a circular fresh air valve with telescopic wall sleeve for installation in an external wall close to the roof. ULA hasan integral damper that can be operated using a pull- cord. The special telescopic wall sleeve makes it possible to install the valve in the wall without screws. The two tele- scopic parts are screwed together through the wall. ULA can be supplied with two types of external grille, and type 1 is also equipped with detachable insect netting. ULA is supplied with sound insulation inserts in two thick- nesses. The material is fibre-free, washable and easy to remove. ULA is supplied with an EU-3 filter. The insect netting and sound insulation can be easily removed from inside. • Easy to clean • Fits wall thicknesses from 270 mm to 430 mm • Can be supplied with sound insulation inserts in two thicknesses • External casing in several colours and materials Maintenance Front plate, filter and insulation can be removed to enable cleaning. Accessories ULZ-1: Extra sound insulation (wall thickness > 300 mm) ULZ-2: Cover flange Ø 241 mm, galvanised steel, white/grey ULZ-3: Filter ULZ-4: Insect netting ULAK: Type 1, with copper casing ULAL: Type 1, with aluminium casing ULAG: Type 1, with galvanised casing Order code Product Type Outside grille 1,2 ULA a Ø180 Ø150 Ø140 Ø150 Ø190 42 270-430 External grille type 2 ULA is supplied with 2-part sound insulation insert Ø140/ Ø50 mm. If greater capacity is required, remove the inner section of the insulation. Sound reduction will decrease by 3 dB (see tech. data). Valves with a shorter design for installa- tion in lightweight structures can be supplied on request. However, this will result in reduced sound insulation. Materials and finish Internal section: Standard colour: External grille type 1: External grille type 2: Standard finish: Telescopic tube: Sound insulation: Colourfast plastic White Colourfast plastic, grey Aluminium Powder-coated, Grey RAL 7040 Galvanised steel Foam plastic Lindab reserves the right to make changes without prior notice 1 2020-10-21
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