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SAVD • Sound attenuation volume dampers

  • Regulating damper
  • Sound attenuating

Sound attenuating volume control dampers in polyurethane foam

Application

  • For air regulation and acoustic attenuation in ventilation and airconditioning systems
  • To be inserted easily into round ducts with low sound generation even at large pressure drops
  • Pressure and airflow are easily adjustable by varying the number of open holes of the damper
  • Multiple dampers can be used to obtain higher acoustic attenuation

Material

  • Damper mainly made out of flexible polyurethane foam with very good damping abilities and flameresistance tested according FMVSS-302, the fabric flammability standard, wich is also the standard used in e.g. the automotive industry. Fire resistance class B (Equivalent to M1)
  • Cut-out holes with parts that can easily be taken out to adjust air volumes
  • Anti-bacterial anti-fungus foam mousse
  • Rot-free

Colour

  • Black coverage at one end and mixed-colored polyurethane foam

Mounting

  • To be inserted in circular ducts of Ø80, Ø100, Ø125, Ø160, Ø200, Ø250 and Ø315
  • Dampers for ducts in Ø315 available upon request
  • To be mounted at at least 50-350 mm distance A between the duct opening and first SAVD damper when used in air supply
  • To be mounted at at least 0-50 mm distance A between the duct opening and the first SAVD damper when used for exhaust of air
  • To be mounted at a minimum distance B in between 2 dampers at at least 250 mm in air supply and 150 mm in air exhaust when multiple dampers are mounted

Articles

Article selection assistant
Type
Cooling capacity [kW]
Heating Capacity* [kW]
Hydraulic connection
Article number Type Cooling capacity [kW] Heating Capacity* [kW] Hydraulic connection E-shop
J036151900001 Romeo-ECM-1M-NC/L/2P 0.70 0.87 Left
J036151900002 Romeo-ECM-2M-NC/L/2P 1.49 1.77 Left
J036151900003 Romeo-ECM-3M-NC/L/2P 2.04 2.34 Left
J036151900004 Romeo-ECM-4M-NC/L/2P 2.53 2.78 Left
J036151900005 Romeo-ECM-5M-NC/L/2P 2.84 3.12 Left
J036151900006 Romeo-ECM-6M-NC/L/2P 3.19 3.60 Left
J036151901001 Romeo-ECM-1M-NC/R/2P 0.70 0.87 Right
J036151901002 Romeo-ECM-2M-NC/R/2P 1.49 1.77 Right
J036151901003 Romeo-ECM-3M-NC/R/2P 2.04 2.34 Right
J036151901004 Romeo-ECM-4M-NC/R/2P 2.53 2.78 Right
J036151901005 Romeo-ECM-5M-NC/R/2P 2.84 3.12 Right
J036151901006 Romeo-ECM-6M-NC/R/2P 3.19 3.60 Right
J036151910001 Romeo-ECM-1M-RC/L/2P 0.70 0.87 Left
J036151910002 Romeo-ECM-2M-RC/L/2P 1.49 1.77 Left
J036151910003 Romeo-ECM-3M-RC/L/2P 2.04 2.34 Left
J036151910004 Romeo-ECM-4M-RC/L/2P 2.53 2.78 Left
J036151910005 Romeo-ECM-5M-RC/L/2P 2.84 3.12 Left
J036151910006 Romeo-ECM-6M-RC/L/2P 3.19 3.60 Left
J036151911001 Romeo-ECM-1M-RC/R/2P 0.70 0.87 Right
J036151911002 Romeo-ECM-2M-RC/R/2P 1.49 1.77 Right
J036151911003 Romeo-ECM-3M-RC/R/2P 2.04 2.34 Right
J036151911004 Romeo-ECM-4M-RC/R/2P 2.53 2.78 Right
J036151911005 Romeo-ECM-5M-RC/R/2P 2.84 3.12 Right
J036151911006 Romeo-ECM-6M-RC/R/2P 3.19 3.60 Right
J036151920001 Romeo-ECM-1M-RC/TD/L/2P 0.70 0.87 Left
J036151920002 Romeo-ECM-2M-RC/TD/L/2P 1.49 1.77 Left
J036151920003 Romeo-ECM-3M-RC/TD/L/2P 2.04 2.34 Left
J036151920004 Romeo-ECM-4M-RC/TD/L/2P 2.53 2.78 Left
J036151920005 Romeo-ECM-5M-RC/TD/L/2P 2.84 3.12 Left
J036151920006 Romeo-ECM-6M-RC/TD/L/2P 3.19 3.60 Left
J036151921001 Romeo-ECM-1M-RC/TD/R/2P 0.70 0.87 Right
J036151921002 Romeo-ECM-2M-RC/TD/R/2P 1.49 1.77 Right
J036151921003 Romeo-ECM-3M-RC/TD/R/2P 2.04 2.34 Right
J036151921004 Romeo-ECM-4M-RC/TD/R/2P 2.53 2.78 Right
J036151921005 Romeo-ECM-5M-RC/TD/R/2P 2.84 3.12 Right
J036151921006 Romeo-ECM-6M-RC/TD/R/2P 3.19 3.60 Right
J036151930001 Romeo-ECM-1M-RC/TD/App/L/2P 0.70 0.87 Left
J036151930002 Romeo-ECM-2M-RC/TD/App/L/2P 1.49 1.77 Left
J036151930003 Romeo-ECM-3M-RC/TD/App/L/2P 2.04 2.34 Left
J036151930004 Romeo-ECM-4M-RC/TD/App/L/2P 2.53 2.78 Left
J036151930005 Romeo-ECM-5M-RC/TD/App/L/2P 2.84 3.12 Left
J036151930006 Romeo-ECM-6M-RC/TD/App/L/2P 3.19 3.60 Left
J036151931001 Romeo-ECM-1M-RC/TD/App/R/2P 0.70 0.87 Right
J036151931002 Romeo-ECM-2M-RC/TD/App/R/2P 1.49 1.77 Right
J036151931003 Romeo-ECM-3M-RC/TD/App/R/2P 2.04 2.34 Right
J036151931004 Romeo-ECM-4M-RC/TD/App/R/2P 2.53 2.78 Right
J036151931005 Romeo-ECM-5M-RC/TD/App/R/2P 2.84 3.12 Right
J036151931006 Romeo-ECM-6M-RC/TD/App/R/2P 3.19 3.60 Right
Prices right version = prices left version

Technical characteristics

List of symbols

  • Dpt = Pressure loss over the damper in Pa
  • Q = Air Volume in m³/h
  • LWA= Sound power in dBA
  • Lw = LwA + Kw
  • 1-2- ... -10 = Quantity of opened holes in the damper

Acoustic attenuation (ISO 7235:2003)


Open Holes63 Hz125 Hz250 Hz500 Hz1 kHz2 kHz4 kHz8 kHz
SAVD 80
13,53,03,55,06,08,511,513,0
2
2.52.03.04.06.09.01016
3
1,01,51,53,54,55,010,012,0
SAVD 100
1
6,57,04,09,513161822
24.85,34,57,511,012,316,521,5
33.0
3.5
2.5
5.5
8.5
8.5
15
19
42,53,02,04,57,37,513,518
51.5
2.5
1.5
3.5
6.0
6.5
12
17
SAVD 12516,5788,59,5171922
25,56,576,510151921
35.06.05.05.012131921
43,54,03,84,510,810,516,520
52,02,02,53,08,58,01419
61,51,82,02,87,57,012,518,5
81.0
1.5
1.5
2.5
6.0
6.011
18
SAVD 16016.5
7.0
4.0
9.5
13
16
18
22
24,75,03,27,611,012,516,220
32,83,52,55,88,58,714,519,0
43,03,52,55,58,58,515,019,0
53.0
3.5
2.5
5.5
8.5
8.5
15
20
SAVD 200
15,07,03,06,514151918
2
4.0
6.5
2.5
5.5
13
14
18
16
34,05,52,55,012141815
43,04,02,04,010,09,01515
5
2,03,01,52,59,58,51415
62,02,51,52,08,07,51314
8
2.0
2.0
1.0
1.5
7.0
7.0
13
14
SAVD 250
35.0
4.0
3.0
7.0
13
18
18
17
6
4,03,02,05,511,014,016,016,0
10
2.0
3.01.52.57.511
14
13
SAVD 315
4553612151618
83324991315
142211.5781013

Correction factor Kw

63 Hz125 Hz250 Hz500 Hz1 kHz2 kHz4 kHz8 kHz

SAVD 80

6

4

3

0

-9

-10

-17

-24

SAVD 100

6

4

3

0

-9

-10

-17

-24

SAVD 125

4

2

1

0

-8

-10

-18

-24
SAVD 160

5

4

3

0

-9

-10

-18

-22

SAVD 200

4

2

5

-4

-10

-15

-20

-25

SAVD 2505430-9-10-18-22

SAVD 315

4

2

5

-4

-10

-15

-20

-25

Dimensions

 D1 [mm]D2 [mm]S [mm]
SAVD 80808250
SAVD 10010010250
SAVD 12512512750
SAVD 16016016250
SAVD 20020020250
SAVD 25025025275
SAVD 31531531875
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