GlasMax SR

GlasMax ZR

GlasMax SR is a sound-absorbing window ventilator that has been developed for fitting over the glass, transom mounting and compact transom mounting. The acoustic ventilator is eminently suitable for use in situations where light noise exposure is an issue.

Window ventilator with sustainable sound-absorbing material
Sound-absorbing material helps prevent complaints due to allergies
Suited to high-rise applications (up to 40 m* height)
Glass reduction 80 is superb
Four different air flow rates

Technical features

U - value	1,56 W/m²/K
Controllability in function of the pressure difference	P3
Windtightness in closed position	600 Pa
Watertightness in closed position	1050 Pa
Glass reduction	80 mm
Ventilator height	97 mm
Ventilator height compact transom	120 mm
Installation height with compact transom	90 mm
Standard control	flap handle 15 mm

Acoustic values octave band values

Type	Octave band value at 125 Hz (dB)	Octave band value at 250 Hz (dB)	Octave band value at 500 Hz (dB)	Octave band value at 1000 Hz (dB)	Octave band value at 2000 Hz (dB)
GlasMax 10 SR	33,7	31,1	28,6	39,2	46,4
GlasMax 15 'SR'	32,9	31,0	27,9	36,2	40,5
GlasMax 20 'SR'	33,2	31,1	27,9	34,8	38,6
GlasMax 25 'SR'	24,7	26,7	24,9	26,8	28,0

Acoustic performance

Type	Dn,e,W (C;Ctr) open position (dB)	Dn,e,W (C;Ctr) closed position (dB)	Dne,A open position (dB(A))	Dne,Atr open position (dB(A))
GlasMax 10 SR	37 (-1;-3)	50 (-1;-3)	36	34
GlasMax 15 'SR'	35 (-1;-2)	51 (-1;-4)	34	33
GlasMax 20 'SR'	34 (0;-2)	49 (0;-3)	34	32
GlasMax 25 'SR'	27 (0;-1)	42 (0;-1)	27	26