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Technical data

Technical data table. Sound power level and pressure loss

The following table can be used to obtain the sound power level (in dB/octave), from a front air flow velocity and a degree
of damper opening (pressure loss, in Pa).

The data shown in the following table are for dampers with an

area of 0.1 m

. For other cross-sections, please use the

correction factor

listed further below on this page.

Sound power level correction values, for various damper cross-sections

Dampers

NOISE REGENERATED

CRR SERIES

% open

Octave bands (Hz) - Sound power, in dB

Summary of Contents for CCC

Page 1: ...series REGULATING DAMPERS www koolair com ...

Page 2: ...Dampers 3 CONTENTS Regulating dampers CRC M CRC E and CCC 4 Executions Dimensions 5 Technical data 7 Regulating dampers CRR CRR E CRR M and CRR MT 13 Product codes and dimensions 14 Technical data 16 ...

Page 3: ...ion this model provides a positive seal CRC E Circular Regulating Dampers made from a steel cylinder made in galvanised sheet metal it is operated by means of a simple handled this type provides a positive seal CCC Circular Regulating Dampers made from a steel cylinder made in galvanised sheet metal it is operated by means of a simple handled this type does not provide a positive seal Product code...

Page 4: ... 100 199 99 125 199 124 140 199 139 150 199 149 160 199 159 180 199 179 200 199 199 225 199 224 250 199 249 NOMINAL L Ø A 100 199 99 125 199 124 140 199 139 150 199 149 160 199 159 180 199 179 200 199 199 225 199 224 250 199 249 275 199 274 280 199 279 300 199 299 315 199 314 ...

Page 5: ...199 299 315 199 314 350 300 349 355 300 354 375 400 374 400 400 399 450 400 449 500 400 499 600 400 599 625 400 624 700 400 699 CRC MT NOMINAL L Ø A 100 300 99 125 300 124 140 300 139 150 300 149 160 300 159 180 300 179 200 300 199 225 300 224 250 300 249 275 300 274 280 300 279 300 300 299 315 300 314 350 300 349 355 300 354 375 400 374 400 400 399 450 400 449 500 400 499 600 400 599 625 400 624 ...

Page 6: ... 44 46 47 48 49 50 50 430 119 4 22 42 47 49 51 53 54 55 56 56 57 645 179 2 50 46 51 53 55 57 58 59 60 61 61 860 238 9 89 49 53 56 58 59 61 62 63 63 64 1075 298 6 140 56 58 60 62 63 64 65 66 66 200 199 340 94 4 5 36 41 44 46 47 48 50 51 51 52 680 188 9 19 42 47 50 52 54 55 56 57 58 59 1020 283 3 43 46 51 54 56 58 59 60 61 62 63 1360 377 8 77 49 54 57 59 60 62 63 64 65 65 1700 472 2 121 56 59 61 63 ...

Page 7: ...70 430 119 4 22 20 27 30 33 35 37 38 39 40 41 0 6338 645 179 2 50 23 29 33 35 37 39 41 42 43 44 860 238 9 89 25 31 35 37 39 41 42 44 45 46 1075 298 6 140 33 36 39 41 42 44 45 46 47 200 199 340 94 4 5 22 26 28 30 32 33 35 36 37 1 502850 680 188 9 19 21 27 31 33 35 37 38 39 40 41 0 5340 1020 283 3 43 24 30 33 36 38 40 41 42 43 44 1360 377 8 77 26 32 35 38 40 42 43 44 45 46 1700 472 2 121 33 37 40 42...

Page 8: ...0 49 49 48 45 42 36 50 55 54 54 52 50 47 41 53 57 57 57 55 53 49 43 55 59 59 59 57 55 51 45 56 61 61 60 59 57 53 47 1020 283 3 49 53 53 53 51 49 45 39 54 58 58 58 56 54 50 44 56 61 61 61 59 57 53 47 58 63 63 63 61 59 55 49 60 65 65 64 63 60 57 51 1360 377 8 51 56 56 56 54 52 48 42 56 61 61 61 59 57 53 47 59 64 64 63 62 60 56 50 61 66 66 65 64 62 58 52 63 68 67 67 65 63 60 54 1700 472 2 58 63 63 63...

Page 9: ...9 63 63 63 61 59 55 49 60 64 64 64 62 60 56 50 60 65 65 65 63 61 57 51 61 66 66 65 64 61 58 52 1020 283 3 61 66 66 66 64 62 58 52 62 67 67 67 65 63 59 53 63 68 68 68 66 64 60 54 64 69 69 68 67 65 61 55 65 70 69 69 68 65 62 56 1360 377 8 64 69 69 68 67 64 61 55 65 70 70 69 68 66 62 56 66 71 71 70 69 67 63 57 67 72 71 71 70 67 64 58 68 72 72 72 70 68 64 58 1700 472 2 66 71 71 70 69 67 63 57 67 72 72...

Page 10: ...1 34 33 31 31 28 26 37 41 39 38 37 34 32 25 41 44 43 41 41 38 36 29 43 47 46 44 43 40 39 32 45 49 48 46 45 42 41 34 1700 472 2 39 42 41 39 39 36 34 27 42 46 45 43 42 39 38 31 45 49 47 45 45 42 40 33 47 51 49 47 47 44 42 35 225 225 430 119 4 21 25 23 22 21 27 31 30 28 27 24 23 31 35 33 32 31 28 26 34 37 36 34 34 31 29 22 36 39 38 36 36 33 31 24 860 238 9 26 30 29 27 26 23 22 33 36 35 33 32 30 28 21...

Page 11: ...7 30 44 47 46 44 43 41 39 32 45 48 47 45 45 42 40 33 46 49 48 46 46 43 41 34 47 50 49 47 47 44 42 35 1020 283 3 45 49 47 45 45 42 40 33 46 50 49 47 46 43 42 35 48 51 50 48 47 45 43 36 49 52 51 49 49 46 44 37 50 53 52 50 50 47 45 38 1360 377 8 47 51 49 48 47 44 42 35 48 52 51 49 48 45 44 37 50 53 52 50 50 47 45 38 51 54 53 51 51 48 46 39 52 55 54 52 52 49 47 40 1700 472 2 49 52 51 49 49 46 44 37 50...

Page 12: ...eration with 24V or 220 V AC power supply Includes tightness seal around the entire housing perimeter CRR M Rectangular volume control damper manufactured of galvanized steel sheet and operated by an easy to use manual control section which shows the extent of slat opening from the exterior Fitted with a tightness seal around the entire housing perimeter CRR E Rectangular volume control damper man...

Page 13: ...identification will be coded according to the nomenclature listed in the adjacent table Coding example CRR MT 500x200 with open closed servo drive 24V DC power Executions Dimensions Product codes The dimensions listed below are standard for all damper models in the series NOMINAL DIMENSIONS AIR FLOW AREA in mm CRR model 14 Dampers NOMINAL LENGTH NOMINAL HEIGHT ...

Page 14: ...Executions Dimensions CRR E model CRR M model Dampers 15 NOMINAL LENGTH NOMINAL HEIGHT 2 CONTROLS 2 CONTROLS NOMINAL LENGTH NOMINAL HEIGHT MANUAL CONTROL ...

Page 15: ...esponds to volume control dampers with an area of 0 1 m2 For other cross sections please use the correction factor listed in the table on next page Symbols V m s Front air velocity through the damper in m s Pest Pa Pressure drop in damper in Pa LWA dB A Sound power level in dB A 16 Dampers NOMINAL LENGTH NOMINAL HEIGHT Motor damper opening ...

Page 16: ...locity and a degree of damper opening pressure loss in Pa The data shown in the following table are for dampers with an area of 0 1 m2 For other cross sections please use the correction factor listed further below on this page Sound power level correction values for various damper cross sections Dampers 17 NOISE REGENERATED CRR SERIES open Octave bands Hz Sound power in dB ...

Page 17: ...HIS CATALOGUE IS INTELLECTUAL PROPERTY Reproduction either partial or total by any means including electronic is prohibited without prior written authorisation from KOOLAIR S L CIN CRC 0515 00 18 Dampers ...

Page 18: ...KOOLAIR S L 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 www koolair com ...

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