General Information About the Noise Brochure

Euroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)13?2- air noise (TAB. 35÷TAB. 45)the following tables show the data related to air noise of the various fan models.13?2?1- Noise: general information (Ref. en IsO 3744, en IsO 3746 and IsO 13347) (securities TAB. 35 ÷ TAB. 45)sound power level LwAIt is the average value of the sound power level in dB(A) (weighted value according to the scale A) radiated into the environment by the fan though the inlet and outlet ducts. the value refers to air conveyed with a density of 1,226 kg/m3, at the maximum allowable rotation speed of the impeller and during operation at the optimal curve point.It is assumed that the fan is placed in a free field or, in any case, in an area featuring such dimensions as not to cause appreciable reflections, and leaning on a flat and rigid surface.Moreover, the value of the background noise of the installation environment is deemed neglectable.sound pressure level LpAIt is the average of the temporal average values of the sound pressure radiated into the environment by the fan through the inlet and outlet ducts. the pressure values are recorded on the measurement surface enveloping the fan (parallelepiped measurement surface).Experimentally, acoustic pressure measurements are obtained by 8 microphone stations located on the reference surface at a height equal to the fan rotation axis (FIG. 35).the pressure value is expressed in dB(A) (weighted value according to the scale A).the value refers to air conveyed with a density of 1,226 kg/m3, at the maximum allowable rotation speed of the impeller and during operation at the optimal curve point.the given values refer to a measuring distance of one meter.It is assumed that the fan is placed in a free field or, in any case, in an area featuring such dimensions as not to cause appreciable reflections, and leaning on a flat and rigid surface.the value of the background noise of the installation environment is deemed neglectable.FIG. 35 (Aircraft noise)13- AnnExESEuroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)Legend:?= dB(A) = 80 Lp = weighted sound pressure level at output A at the places of work?= 80 < dB(A) = 90 Lw = weighted sound power level A issued by the machinex= dB(A) > 90High pressure, direct drive centrifugal fans - series:Electric motor ModelaPE aPF aPg aPrF aPrg aPrH aPri aPrllp lw lp lw lp lw lp lw lp lw lp lw lp lw lp lw2 poles351/2 ? ?401/2 ? ?451/2 ? ?501/2 ? ? ? x ? x ? x561/2 ? ? ? x ? x ? x ? x631/2 ? x ? x ? x ? x ? x x x x x x x711/2 ? x ? x ? x ? x ? x x x x x x x801/2 ? x ? x x x ? x x x x x x x x x901/2 ? x x x x x ? x x x x x x x1001/2 x x x x x x x x1121/2 x x x x4 poles631/2 ? ?711/2 ? ? ? x801/2 ? ? ? x ? x ? x901/2 ? ? ? x ? x ? x1001/2 ? x ? x ? x ? x1121/2 ? x ? xTAB. 35 (Centrifugal fans - models APE, APF, APG, APRF, APRG, APRH, APRI, APRL)High pressure, double stage, direct drive centrifugal fans - series:Model aPrEd aPrFd aPrgdlp lw lp lw lp lw631/2 ? x ? x711/2 ? x ? x801/2 ? x ? x901/2 ? x x x x x1001/2 x x x x x x1121/2 x x x xTAB. 36 (Centrifugal fans - models APRED, APRFD, APRGD)AnnExES -13Euroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)High pressure, belt drive centrifugal fans - series:Model aPEc aPFc aPgc aPrFc aPrgc aPrHc aPric aPrlclp lw lp lw lp lw lp lw lp lw lp lw lp lw lp lw351/2 ? x401/2 ? x451/2 ? x501/2 ? x ? x ? x ? x561/2 ? x ? x ? x x x x x631/2 ? x ? x x x ? x x x x x x x x x711/2 ? x x x x x ? x x x x x x x x x801/2 x x ? x x x ? x x x x x x x x x901/2 x x x x x x x x x x x x x x x x1001/2 x x x x x x x x x x x x x x x x1121/2 x x x x x x x x x x x x1251/2 x x x x x x x x x x1401/2 x x x x x x x x x x1601/2 x x x x x x x x x x1801/2 x x x x x x x x x xTAB. 37 (Centrifugal fans - models APEc, APFc, APGc, APRFc, APRGc, APRHc, APRIc, APRLc)High pressure centrifugal fans, with direct coupling by joint (n8) - series:Electric motor ModelaPrF aPrg aPrH aPri aPrllp lw lp lw lp lw lp lw lp lw4 poles1001/2 ? x1121/2 ? x ? x ? x ? x ? x1251/2 ? x ? x ? x ? x ? x1401/2 ? x ? x ? x x x x x1601/2 ? x x x x x x x x x1801/2 ? x x x x x x x6 poles1401/2 ? x1601/2 ? x1801/2 x xTAB. 38 (Centrifugal fans - models APRF/N8, APRG/N8, APRH/N8, APRI/N8, APRL/N8)13- AnnExESEuroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)Medium pressure, direct drive centrifugal fans - series:Electric motor ModelEu EuM MPr tr tPa TQ tF tg tHlp lw lp lw lp lw lp lw lp lw lp lw lp lw lp lw lp lw2 poles221/2 ? ? ? ?251/2 ? ? ? ?281/2 ? ? ? ?311/2 ? ? ? ? ? x351/2 ? ? ? ? ? ? ? x401/2 ? x ? x ? ? ? ? ? x ? ? ? x451/2 ? x ? x ? ? ? ? ? x ? x ? x501/2 ? x ? x ? x ? ? ? x ? x ? x561/2 ? x ? x ? x ? x ? x ? x ? x631/2 ? x ? x ? x x x x x711/2 x x x x801/2 x x x x4 poles631/2 ? ? ? ? ? ? ? ? ? x711/2 ? ? ? ? ? ? ? x ? x801/2 ? x ? x ? ? ? x ? x ? x ? x901/2 ? x ? x ? x ? x ? x ? x ? x1001/2 ? x ? x ? x ? x ? x ? x1121/2 ? x ? x ? x x x x x1251/2 ? x ? x1401/2 x x6 poles 1401/2 ? xTAB. 39 (Centrifugal fans - models EU, EUM, MPR, TR, TPA, TQ, TF, TG, TH)AnnExES -13Euroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)Medium pressure, belt drive centrifugal fans - series:Model Euc EuMc trc ttrc tFc tgc tHc MPrclp lw lp lw lp lw lp lw lp lw lp lw lp lw lp lw221/2 ? ?251/2 ? ?281/2 ? x311/2 ? x ? x351/2 ? x ? x ? x401/2 ? x ? x ? x ? x ? x ? x451/2 ? x ? x ? x ? x ? x ? x501/2 ? x ? x ? x ? x ? x ? x ? x561/2 ? x ? x ? x ? x ? x x x ? x ? x631/2 ? x ? x ? x ? x ? x ? x ? x711/2 ? x ? x ? x x x ? x ? x x x801/2 ? x ? x ? x x x ? x ? x x x901/2 ? x ? x ? x x x ? x x x x x1001/2 ? x ? x ? x x x x x x x x x1121/2 ? x x x ? x x x x x x x1251/2 ? x x x x x x x1401/2 ? x x x x x x x1601/2 ? x x x x x x x1801/2 x x x x x x2001/2 x x x x x xTAB. 40 (Centrifugal fans - models EUc, EUMc, TRc, TTRc, TFc, TGc, THc, MPRc)Low pressure, belt drive axial fans - series:Model EVclp lw400 ? x500 ? x630 ? x710 ? x800 ? x900 ? x1000 ? x1120 ? x1250 ? x1400 ? xTAB. 41 (Axial fans models EVc)13- AnnExESEuroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)Low pressure, direct drive axial fans - series:Electric motor ModelEVP-EVF-EVL (HZ 50) EVP-EVF-EVL (HZ 60) EVTlp lw lp lw lp lw2 poles315 ? ? ? x355 ? ? ? x400 ? x ? x450 ? x500 ? x560 ? x630 x x4 poles315 ? ? ? ?355 ? ? ? ?400 ? ? ? ?450 ? ? ? ?500 ? ? ? ?560 ? ? ? x ? ?630 ? ? ? x ? ?710 ? ? ? x ? ?800 ? x ? x ? x900 ? x ? x1000 ? x1120 ? x6 poles630 ? ? ? ? ? ?710 ? ? ? ? ? ?800 ? ? ? x ? ?900 ? ? ? x ? ?1000 ? ? ? x ? ?1120 ? x ? x1250 ? x1400 ? x8 poles1120 ? ? ? x1250 ? x ? x1400 ? x ? xTAB. 42 (Axial fans models EVP, EVF, EVL, EVT)AnnExES -13Euroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)Low pressure, direct drive centrifugal fans - series:Electric motor ModelBP BPr Btlp lw lp lw lp lw2 poles161 ? ?201 ? ?221 ? x251 ? x281311351 ? x401 ? x451 ? x501 ? x4 poles161 ? ?201 ? ?221 ? ?251 ? ?281 ? ?311 ? ?351 ? ? ? ? ? ?401 ? x ? ? ? ?451 ? x ? ? ? ?501 ? x ? ? ? ?561 ? ? ? x631 ? x ? ?711 ? x801 ? x901 ? x1001 ? xTAB. 43 (Centrifugal fans - models BP, BPR, BT)13- AnnExESEuroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)Low pressure, direct drive centrifugal fans - series:Electric motor ModelBP BPr Btlp lw lp lw lp lw6 poles311 ? ?351 ? ?401 ? ?451 ? x501 ? ? ? ? ? ?561 ? ? ? ?632 ? ? ? ?711 ? ?801 ? x901 ? x1001 ? x1121 ? x1251 ? x1401 ? x8 poles 631 ? ?TAB. 44 (Centrifugal fans - models BP, BPR, BT)AnnExES -13Euroventilatori International SPAVia Risorgimento, 9036070 San Pietro Mussolino (VI) ItalyCEntRIfugAl And AxIAl InduStRIAl fAnSInstruction Manual CM14088 - 07.05.14 - Rev.00translation of original instructions (En)Low pressure, belt drive centrifugal fans - series:Model BPrc BPc BPrdclp lw lp lw lp lw251/2 ?281/2 ?311/2 ? ?351/2 ? ?401/2 ? x ? ?451/2 ? x ? ?501/2 ? x ? ? ? x561/2 ? x ? ? ? x631/2 ? x ? x ? x711/2 ? x ? x ? x801/2 ? x ? x ? x901/2 ? x ? x ? x1001/2 ? x ? x ? x1121/2 ? x ? x1251/2 x x ? x1401/2 x x ? x1601/2 x x1801/2 ? x2001/2 ? xTAB. 45 (Centrifugal fans - models BPc, BPRc, BPRDc)13- AnnExES