Catalog excerpts
KAT Acoustic air transfer units
Open the catalog to page 1Acoustic Air Transfer Unit KATCONTENTS Acoustic Air Transfer Unit 2
Open the catalog to page 2Acoustic Air Transfer Unit - KAT Description The KAT sound attenuation air transfer unit offers a high sound absorption level, low pressure loss, easy installation and attractive design. Air is moved to adjacent rooms by the transfer unit by the pressure difference between the rooms. The low pressure loss of the device allows large air volumes to be moved between areas. The unique design allows the unit to be installed in plasterboard walls for air movement between adjacent areas, while also avoiding vision through the device and ensuring room-to-room sound reduction to guarantee...
Open the catalog to page 3Dimensions KAT-Z with 31-1 or with perforated plate KAT-T with 31-1 or with perforated plate
Open the catalog to page 4A = KAT-T 500 B = KAT-Z 500 C = KAT-T 1000 D = KAT-Z 1000 The listed values for the KAT correspond to transfer units with a front component and sound levels below 35 dB(A) for the flow rates listed in the chart. With front element The sound attenuation of the unit is calculated by the Nordtest NT Acou 037 method. The total wall attenuation in each frequency band is calculated using the following formula: Rp = total wall attenuation in the frequency band considered (dB) S = wall area, in m2 R = wall attenuation in the frequency band considered, without transfer unit (dB) D1 = attenuation of...
Open the catalog to page 6Technical data Acoustic data To reduce sound transmission from one room to an adjacent room to an acceptable level, the sound attenuation component used to move air is lined with a sound-absorbing material. The resulting sound data on airborne noise (R) reduction are given by the sound reduction index and the difference in standard sound level. The airborne noise (R) reduction is defined as follows: The difference in standard sound level is given by the equation: D = L1— L, + 10-log( A0 n, e 12 A To calculate the weighted sound reduction index RW in the wall of a room, the dimensions...
Open the catalog to page 7Product codes T-shape construction Z-shape construction without accessory with telescoping plenum box without component with 31-1 with LK-70 with 50% punching anodized natural matt painted RAL-9016 matt painted RAL-9010 shine · · prelacated white RAL 9010 matt Example: KAT-T air transfer unit with 31-1, painted RAL-9010 shine of 500. Koolair sound attenuation air transfer component, KAT model, plenum box in T with S30 front plate and length 500 mm, specially designed to maintain sound transmission from one room to an adjacent room to an acceptable level. The plenum box is made of an...
Open the catalog to page 8THIS CATALOGUE IS COPYRIGHTED. Partial or full reproduction of its content is strictly prohibited without express written authorisation from KOOLAIR, S.A. CEN-KAT-1015-00
Open the catalog to page 9KOOLAIR, S.A. Calle Urano, 26 Poligono industrial nº 2 – La Fuensanta 28936 Móstoles - Madrid - (España) Tel: +34 91 645 00 33 Fax: +34 91 645 69 62 e-mail: info@koolair.com
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