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Summary of Contents for KOOLAIR CRC-M
- Page 1 REGULATING DAMPERS www.koolair.com...
- Page 2 Dampers CONTENTS Regulating dampers CRC-M, CRC-E and CCC Executions. Dimensions Technical data Regulating dampers CRR, CRR-E, CRR-M and CRR-MT Product codes and dimensions Technical data...
- Page 3 Dampers Circular regulating dampers types CRC-M, CRC-E and CCC Description Circular Regulating Dampers are used to balance air installations, also these dampers can be used as shutoff dampers. Circular regulating dampers are manufactured in Galvanised sheet metal. Damper CRC-M Models There are 3 different types of circular regulating dampers;...
- Page 4 Dampers Executions. Dimensions Type CCC NOMINAL Ø A Type CRC-E NOMINAL Ø A...
- Page 5 Dampers Executions. Dimensions Type CRC-M and CRC-MT NOMINAL Ø A CRC-M NOMINAL Ø A CRC-MT...
- Page 6 Dampers Technical data Sound Pressure Levels in dB(A) Damper Regenerated noise dB(A) a p [Pa] = [Pa] Size Ø [mm] Q (l/s) 1000 Q [m 23,6 47,2 70,8 94,4 118,1 36,1 72,2 108,3 144,4 180,6 45,8 91,7 137,5 183,3 229,2 59,7 119,4 179,2...
- Page 7 Dampers Technical data dB(A) a p [Pa] = Damper Radiated noise [Pa] Size Ø[mm] Q (l/s) 1000 Q [m 23,6 < -2,104910 47,2 0,8440 70,8 94,4 118,1 36,1 < -1,911090 72,2 0,7442 108,3 144,4 180,6 45,8 < -1,812654 91,7 0,6935 137,5 183,3 229,2...
- Page 8 Dampers Technical data Value of the Sound Power of the regenerated noise (dB) for the circular regulating dampers in the different Octave bands from 63 to 8000 Hz. Regenerated noise p = 100 Pa p = 200 Pa p = 300 Pa p = 400 Pa p = 500 Pa Damper...
- Page 9 Dampers Technical data Regenerated noise p = 600 Pa p = 700 Pa p = 800 Pa p = 900 Pa p = 1000 Pa Damper Size Ø [mm] Q [m3/h] Q (l/s) 23,6 45 50 50 49 48 46 42 36 46 51 51 50 49 46 43 37 47 52 51 51 50 47 44 38 47 52 52 52 50 48 44 38 48 53 53 52 51 48 45 39 47,2 53 57 57 57 55 53 49 43 54 58 58 58 56 54 50 44 54 59 59 59 57 55 51 45 55 60 59 59 58 55 52 46 56 60 60 60 58 56 52 46 70,8...
- Page 10 Dampers Quick selection tables Value of the Sound Power of the regenerated noise (dB) for the circular regulating dampers in the different Octave bands from 63 to 8000 Hz. Radiated noise p = 100 Pa p = 200 Pa p = 300 Pa p = 400 Pa p = 500 Pa Damper...
- Page 11 Dampers Quick selection tables Radiated noise p = 600 Pa p = 700 Pa p = 800 Pa p = 900 Pa p = 1000 Pa Damper Size Ø[mm] Q [m3/h] Q (l/s) 23,6 40 43 42 40 40 37 35 28 41 45 43 42 41 38 36 29 42 46 45 43 42 39 38 31 43 47 46 44 43 40 39 32 44 48 47 45 44 41 40 33 47,2 43 47 46 44 43 40 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 48 51 50 48 48 45 43 36 70,8...
- Page 12 Dampers Volume control dampers, CRR series Description The KOOLAIR CRR volume control dampers are rectangular units to be used for flow and pressure control in HVAC installations. The dampers are fitted with a single slat commanded by a central shaft and are manufactured of galvanized steel sheet.
- Page 13 Dampers Product codes CRR. Dimensions LxH (mm). Identification The damper identification will be coded according to CRR-E Dimensions LxH (mm). the nomenclature listed in the adjacent table. CRR-M Dimensions LxH (mm). Coding example: CRR-MT, 500x200 with open/closed servo drive, 24V DC power. CRR-MT Dimensions LxH (mm).
- Page 14 Dampers Executions. Dimensions - CRR-E model NOMINAL LENGTH 2 CONTROLS 2 CONTROLS - CRR-M model MANUAL CONTROL NOMINAL LENGTH...
- Page 15 Dampers Executions. Dimensions - CRR-MT model Motor NOMINAL LENGTH Technical data Sound power and pressure loss chart, for % damper opening (20% to 100%) The following chart corresponds to volume control dampers with an area of 0.1 m . For other cross-sections, please use the correction factor listed in the table on next page.
- Page 16 Dampers 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 .
- Page 17 Dampers THIS 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...
- 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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