Products   Attenuators By Types   Rectangular Attenuators
Tapered Q-Seal
N2Q - Q-Seal Rectangular Attenuators with Tapered Splitters
nt
Features

The N2..QS rectangular Q-Seal tapered attenuator includes the qualities of the N2Tseries attenuator and incorporates an infill system protected by an impermeable plastic membrane/film.

The N2..QS series is suitable in medical and clean room applications and any sensitive ventilation systems requiring an infill material that prevents the possibility of insulation fibre ingress into the airstream.



ModelWidth
Increment		Free Area
Ratio		LengthdB(A)
Reduction
N2T05AQS250 20% 600
N2T05BQS250 20% 900
N2T05C2QS250 20% 1400
N2T05CQS250 20% 1200
N2T05EQS250 20% 1800
N2T05FQS250 20% 2100
N2T05GQS250 20% 2400
N2T05HQS250 20% 2700
N2T05IQS250 20% 3000
N2T05JQS250 20% 3300
N2T05KQS250 20% 3600
N2T05LQS250 20% 3900
N2T05MQS250 20% 4200
N2T05NQS250 20% 4500
N2T05OQS250 20% 4800
N2T05PQS250 20% 5100
N2T05QQS250 20% 5400
N2T05RQS250 20% 5700
N2T05SQS250 20% 6000
N2T07AQS275 27% 60015
N2T07BQS275 27% 90020
N2T07C2QS275 27% 140025
N2T07CQS275 27% 120023
N2T07EQS275 27% 180028
N2T07FQS275 27% 210032
N2T07GQS275 27% 240033
N2T07HQS275 27% 2700
N2T07IQS275 27% 3000
N2T07JQS275 27% 3300
N2T07KQS275 27% 3600
N2T07LQS275 27% 3900
N2T07MQS275 27% 4200
N2T07NQS275 27% 4500
N2T07OQS275 27% 4800
N2T07PQS275 27% 5100
N2T07QQS275 27% 5400
N2T07RQS275 27% 5700
N2T07SQS275 27% 6000
N2T10AQS300 33% 60013
N2T10BQS300 33% 90017
N2T10C2QS300 33% 140022
N2T10CQS300 33% 120021
N2T10EQS300 33% 180026
N2T10FQS300 33% 210027
N2T10GQS300 33% 240029
N2T10HQS300 33% 2700
N2T10IQS300 33% 3000
N2T10JQS300 33% 3300
N2T10KQS300 33% 3600
N2T10LQS300 33% 3900
N2T12AQS325 38% 60011
N2T12BQS325 38% 90016
N2T12C2QS325 38% 140021
N2T12CQS325 38% 120019
N2T12EQS325 38% 180024
N2T12FQS325 38% 210026
N2T12GQS325 38% 240028
N2T12HQS325 38% 2700
N3Q - Q-Seal Rectangular Attenuators with Tapered Splitters
nt
Features

The N3T..QS rectangular Q-Seal tapered attenuator includes the qualities of the N3T series attenuator and incorporates an infill system protected by an impermeable plastic membrane/film.

The N3T..QS series is suitable in medical and clean room applications and any sensitive ventilation systems requiring an infill material that prevents the possibility of insulation fibre ingress into the airstream.



ModelWidth
Increment		Free Area
Ratio		LengthdB(A)
Reduction
N3T10AQS400 25% 600
N3T10BQS400 25% 900
N3T10C2QS400 25% 1400
N3T10CQS400 25% 1200
N3T10EQS400 25% 1800
N3T10FQS400 25% 2100
N3T10GQS400 25% 2400
N3T10HQS400 25% 2700
N3T10IQS400 25% 3000
N3T10JQS400 25% 3300
N3T10KQS400 25% 3600
N3T10LQS400 25% 3900
N3T10MQS400 25% 4200
N3T10NQS400 25% 4500
N3T10OQS400 25% 4800
N3T10PQS400 25% 5100
N3T10QQS400 25% 5400
N3T10RQS400 25% 5700
N3T10SQS400 25% 6000
N3T12AQS425 29% 600
N3T12BQS425 29% 900
N3T12C2QS425 29% 1400
N3T12CQS425 29% 1200
N3T12EQS425 29% 1800
N3T12FQS425 29% 2100
N3T12GQS425 29% 2400
N3T12HQS425 29% 2700
N3T12IQS425 29% 3000
N3T12JQS425 29% 3300
N3T12KQS425 29% 3600
N3T12LQS425 29% 3900
N3T12MQS425 29% 4200
N3T12NQS425 29% 4500
N3T12OQS425 29% 4800
N3T12PQS425 29% 5100
N3T12QQS425 29% 5400
N3T12RQS425 29% 5700
N3T12SQS425 29% 6000
N3T15AQS450 33% 6009
N3T15BQS450 33% 90014
N3T15C2QS450 33% 140018
N3T15CQS450 33% 120017
N3T15EQS450 33% 180023
N3T15FQS450 33% 210025
N3T15GQS450 33% 240026
N3T15HQS450 33% 2700
N3T15IQS450 33% 3000
N3T15JQS450 33% 3300
N3T15KQS450 33% 3600
N3T15LQS450 33% 3900
N3T15MQS450 33% 4200
N3T15NQS450 33% 4500
N3T15OQS450 33% 4800
N3T15PQS450 33% 5100
N3T15QQS450 33% 5400
N3T15RQS450 33% 5700
N3T15SQS450 33% 6000
N3T17AQS475 37% 6009
N3T17BQS475 37% 90014
N3T17C2QS475 37% 140018
N3T17CQS475 37% 120017
N3T17EQS475 37% 180023
N3T17FQS475 37% 210025
N3T17GQS475 37% 240026
N3T17HQS475 37% 2700
N3T17IQS475 37% 3000
N3T17JQS475 37% 3300
N3T17KQS475 37% 3600
N3T17LQS475 37% 3900
N3T17MQS475 37% 4200
N3T17NQS475 37% 4500
N3T17OQS475 37% 4800
N3T17PQS475 37% 5100
N3T17QQS475 37% 5400
N3T17RQS475 37% 5700
N3T17SQS475 37% 6000
N3T20AQS500 40% 6009
N3T20BQS500 40% 90014
N3T20C2QS500 40% 140018
N3T20CQS500 40% 120017
N3T20EQS500 40% 180023
N3T20FQS500 40% 210025
N3T20GQS500 40% 240026
N3T20HQS500 40% 2700
N3T20IQS500 40% 3000
N3T20JQS500 40% 3300
N3T20KQS500 40% 3600
N3T20LQS500 40% 3900
N3T20MQS500 40% 4200
N3T20NQS500 40% 4500
N3T20OQS500 40% 4800
N3T20PQS500 40% 5100
N3T20QQS500 40% 5400
N3T20RQS500 40% 5700
N3T20SQS500 40% 6000
N3T22AQS525 43% 6009
N3T22BQS525 43% 90014
N3T22C2QS525 43% 140018
N3T22CQS525 43% 120017
N3T22EQS525 43% 180023
N3T22FQS525 43% 210025
N3T22GQS525 43% 240026
N3T22HQS525 43% 2700
N3T22IQS525 43% 3000
N3T22JQS525 43% 3300
N3T22KQS525 43% 3600
N3T22LQS525 43% 3900
N3T22MQS525 43% 4200
N3T22NQS525 43% 4500
N3T22OQS525 43% 4800
N3T22PQS525 43% 5100
N3T22QQS525 43% 5400
N3T22RQS525 43% 5700
N3T22SQS525 43% 6000
N3T25AQS550 45% 6009
N3T25BQS550 45% 90014
N3T25C2QS550 45% 140018
N3T25CQS550 45% 120017
N3T25EQS550 45% 180023
N3T25FQS550 45% 210025
N3T25GQS550 45% 240026
N3T25HQS550 45% 2700
N3T25IQS550 45% 3000
N3T25JQS550 45% 3300
N3T25KQS550 45% 3600
N3T25LQS550 45% 3900
N3T25MQS550 45% 4200
N3T25NQS550 45% 4500
N3T25OQS550 45% 4800
N3T25PQS550 45% 5100
N3T25QQS550 45% 5400
N3T25RQS550 45% 5700
N3T25SQS550 45% 6000
N3T30AQS600 50% 6009
N3T30BQS600 50% 90014
N3T30C2QS600 50% 140018
N3T30CQS600 50% 120017
N3T30EQS600 50% 180023
N3T30FQS600 50% 210025
N3T30GQS600 50% 240026
N3T30HQS600 50% 2700
N3T30IQS600 50% 3000
N3T30JQS600 50% 3300
N3T30KQS600 50% 3600
N3T30LQS600 50% 3900
N3T30MQS600 50% 4200
N3T30NQS600 50% 4500
N3T30OQS600 50% 4800
N3T30PQS600 50% 5100
N3T30QQS600 50% 5400
N3T30RQS600 50% 5700
N3T30SQS600 50% 6000
RQ - Q-Seal Rectangular Attenuators with Tapered Splitters
rt
Features

The RT..QS (Q-Seal) rectangular attenuators are available in a wide range of dimensions. They have tapered splitters which provide a lower noise reduction in comparison to straight splitter variants, but have a lower static pressure loss across the attenuator.

RT..QS (Q-Seal) models use a bio-soluble acoustic grade glass wool or mineral wool infill, fullw wrapped in an impermeable plastic membrane/film, encased in finely perforated galvanised steel.

They are used in critical applications, medical and clean rooms, and any sensitive ventilation systems requiring a wrapped infill material to prevent the possibility of insulation fibre ingress into the airstream. They are also suitable where the insulation medium is directly exposed to weather, grease, liquid or dusts. Attenuators of this model type may also be cleaned periodically by low-pressure steam or pressure washer equipment.



ModelWidth
Increment		Free Area
Ratio		LengthdB(A)
Reduction
RT07AQS275 27% 60012
RT07BQS275 27% 90015
RT07CQS275 27% 120018
RT07DQS275 27% 150021
RT07EQS275 27% 180023
RT07FQS275 27% 210025
RT07GQS275 27% 240026
RT10AQS300 33% 60011
RT10BQS300 33% 90014
RT10CQS300 33% 120017
RT10DQS300 33% 150019
RT10EQS300 33% 180021
RT10FQS300 33% 210023
RT10GQS300 33% 240024
RT12AQS325 38% 60010
RT12BQS325 38% 90013
RT12CQS325 38% 120015
RT12DQS325 38% 150017
RT12EQS325 38% 180019
RT12FQS325 38% 210021
RT12GQS325 38% 240022
RT15AQS350 43% 6009
RT15BQS350 43% 90012
RT15CQS350 43% 120014
RT15DQS350 43% 150015
RT15EQS350 43% 180017
RT15FQS350 43% 210019
RT15GQS350 43% 240020
RT17AQS375 47% 6008
RT17BQS375 47% 90010
RT17CQS375 47% 120012
RT17DQS375 47% 150014
RT17EQS375 47% 180016
RT17FQS375 47% 210017
RT17GQS375 47% 240018
RT20AQS400 50% 6007
RT20BQS400 50% 9009
RT20CQS400 50% 120011
RT20DQS400 50% 150012
RT20EQS400 50% 180014
RT20FQS400 50% 210015
RT20GQS400 50% 240016
RT22AQS425 53% 6006
RT22BQS425 53% 9008
RT22CQS425 53% 120010
RT22DQS425 53% 150011
RT22EQS425 53% 180013
RT22FQS425 53% 210014
RT22GQS425 53% 240015
RT25AQS450 56% 6005
RT25BQS450 56% 9007
RT25CQS450 56% 12009
RT25DQS450 56% 150010
RT25EQS450 56% 180012
RT25FQS450 56% 210013
RT25GQS450 56% 240014
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