Centrifugal Fans AT belt driven - Nicotra Gebhardt
Centrifugal Fans AT belt driven - Nicotra Gebhardt Centrifugal Fans AT belt driven - Nicotra Gebhardt
AT 20/20 Technical Data Impeller Data Impeller Data Impeller diameter Number of blades Dr z 516 42 mm Impeller weight Density of media Moment of Inertia J 1.175 kgm² Tolerance class (DIN 24166) Performance Curves Please note coloured area! N all types suitable N do not use in this area 2500 Pa 2000 1500 1000 p F 76 800 600 500 400 300 200 150 100 80 60 50 0.09 40 2000 q V 1.4 v2 p d2 P r 0.18 2 SX 3000 0.37 0.55 0.75 1.1 1.5 2.2 60 3.0 4.0 5.5 65 kW 7.5 70 11 54% 75 15 59 80 85 m 20 kg r 1 1.2 kg/m³ 2 4000 5000 6000 8000 10000 15000 20000 30000 40000 2 3 4 5 6 7 8 9 10 14 20 30 ∆L Wrel4 (A) Duty Speed point 1/min dB SX 1100 3 SX 700 3 SX 400 2 qV opt 1100 3 qV opt 700 2 qV opt 400 2 DX 1100 3 DX 700 2 DX 400 2 Normal operation area 1 DX L WA 7 4 6 8 10 20 40 60 80 100 200 400 65 22 90 68 95 65 100 2 3 4 5 6 7 8 9 10 14 m³/s 63 125 250 500 1000 2000 4000 8000 Hz 8 2 5 -4 -9 -12 -14 -18 dB 11 8 -1 -2 -9 -10 -13 -19 dB 12 4 2 -5 -6 -8 -14 -20 dB 3 -1 5 -4 -8 -11 -12 -17 dB 6 7 -1 -2 -8 -9 -12 -18 dB 10 3 2 -4 -6 -8 -13 -20 dB -2 -5 1 -3 -6 -9 -10 -14 dB 0 2 -2 -3 -6 -7 -11 -16 dB 4 0 0 -4 -5 -8 -12 -18 dB η r Belt Driven Centrifugal Fans / AT / Technical Data Performance certified is for installation type B - free inlet, ducted outlet. Power rating (kW) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories). Relative sound power level for inlet side L Wrel7 at octave centre frequencies f c Nicotra Gebhardt S.p.A certifies that the fan shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program. The AMCA Certified Ratings Seal applies to air performance ratings only. 58 48 105 dB m³/h m/s 600 800 Pa 1/min 1400 1300 1200 1000 900 800 700 600 500 400 300 W 8 7 350 6 5 250 4 N 24 22 20 1100 19 17 15 14 12 10 AT TIC 63 125 250 500 1000 2000 4000 8000 Hz 13 8 9 -1 -8 -11 -12 -16 dB 17 13 2 0 -8 -8 -11 -18 dB 16 7 4 -4 -4 -7 -13 -21 dB 8 4 9 -1 -6 -10 -11 -15 dB 12 12 2 0 -7 -8 -11 -17 dB 15 6 4 -3 -5 -7 -12 -21 dB 1 1 5 0 -4 -7 -8 -14 dB 5 7 2 0 -4 -6 -10 -15 dB 9 4 3 -2 -4 -7 -12 -19 dB P b Measured in installation B according to ISO 5801: Relative sound power level for discharge side L Wrel4 at octave centre frequencies f c
AT 20/20 Dimensions in mm, subject to change. AT TIC-20/20 78 kg 900 830 630 97 369 10 670 706 13 × 18 ø35 8 38 65 ø11 275 275 630 670 706 275 275 622 662 698 967 = 827 = Belt Driven Centrifugal Fans / AT / Technical Data = 632 772 = 52 520 629 58 833 372 950 38 77
- Page 1 and 2: Centrifugal Fans AT belt driven Iss
- Page 3 and 4: II The Nicotra Gebhardt portfolio A
- Page 5 and 6: High performance centrifugal fan AD
- Page 7 and 8: Product overview range AT This kind
- Page 9 and 10: AT 7/7 Dimensions in mm, subject to
- Page 11 and 12: AT 9/7 Dimensions in mm, subject to
- Page 13 and 14: AT 9/9 Dimensions in mm, subject to
- Page 15 and 16: AT 10/8 Dimensions in mm, subject t
- Page 17 and 18: AT 10/10 Dimensions in mm, subject
- Page 19 and 20: AT 12/9 Dimensions in mm, subject t
- Page 21 and 22: AT 12/12 Dimensions in mm, subject
- Page 23 and 24: AT 15/11 Dimensions in mm, subject
- Page 25 and 26: AT 15/15 Dimensions in mm, subject
- Page 27 and 28: AT 18/13 Dimensions in mm, subject
- Page 29 and 30: AT 18/18 Dimensions in mm, subject
- Page 31: AT 20/15 Dimensions in mm, subject
- Page 35 and 36: AT 22/15 Dimensions in mm, subject
- Page 37 and 38: AT 22/22 Dimensions in mm, subject
- Page 39 and 40: AT 25/20 Dimensions in mm, subject
- Page 41 and 42: AT 25/25 Dimensions in mm, subject
- Page 43 and 44: AT 28/20 Dimensions in mm, subject
- Page 45 and 46: AT 28/28 Dimensions in mm, subject
- Page 47 and 48: AT 30/20 Dimensions in mm, subject
- Page 49 and 50: AT 30/28 Dimensions in mm, subject
- Page 51 and 52: AT SC2 Dimensions in mm, subject to
- Page 53 and 54: AT G2C Dimensions in mm, subject to
- Page 55 and 56: Notes Notes Belt Driven Centrifugal
- Page 57 and 58: AT SC 7/7-18/18 AT C 7/7-18/18 Spec
- Page 59 and 60: AT TIC 20/15-30/28 Specifications F
- Page 61 and 62: AT SC2 7/7-18/18 Specifications Fan
- Page 63 and 64: AT SC2 7/7-18/18 Specifications Fan
- Page 65 and 66: Gebhardt fan systems - the "complet
- Page 67 and 68: Fittings / Accessories Corrosion Pr
- Page 69 and 70: Fittings / Accessories Volumeter p
- Page 71 and 72: Fittings / Accessories Anti Vibrati
- Page 73 and 74: Fan Sets Base Frame with Belt Tensi
- Page 75 and 76: RZR 11-0200/-0500 Fan set arrangeme
- Page 77 and 78: RZR 12-0200/-0710 Fan set arrangeme
- Page 79 and 80: RZR 13-0400/-1000 RZR 18-0400/-1000
- Page 81 and 82: AT 7/7-18/18 Fan set arrangement wi
<strong>AT</strong> 20/20<br />
Dimensions in mm, subject to change.<br />
<strong>AT</strong> TIC-20/20 78 kg<br />
900<br />
830<br />
630 97<br />
369<br />
10<br />
670<br />
706<br />
13 × 18<br />
ø35<br />
8 38<br />
65<br />
ø11<br />
275 275<br />
630<br />
670<br />
706<br />
275 275<br />
622<br />
662<br />
698<br />
967<br />
= 827 =<br />
Belt Driven <strong>Centrifugal</strong> <strong>Fans</strong> / <strong>AT</strong> / Technical Data<br />
= 632<br />
772<br />
=<br />
52<br />
520<br />
629<br />
58<br />
833<br />
372<br />
950<br />
38<br />
77
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