Centrifugal Fans AT belt driven - Nicotra Gebhardt

Centrifugal Fans AT belt driven - Nicotra Gebhardt Centrifugal Fans AT belt driven - Nicotra Gebhardt

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AT 15/11 Technical Data Impeller Data Impeller Data Impeller diameter Number of blades Dr z 381 51 mm Impeller weight Density of media Moment of Inertia J 0.186 kgm² Tolerance class (DIN 24166) Performance Curves Please note coloured area! N all types suitable N AT AR only N do not use in this area 3500 3000 2500 2000 1500 1000 p F 66 Pa 800 600 500 400 300 200 150 100 80 0.3 qV 0.12 0.25 0.37 0.55 0.75 65 1.1 1.5 DX 2.2 70 3.0 4.0 5.5 75 7.5 kW 11 80 54% 85 58 15 m 6.2 kg r 1 1.2 kg/m³ 2 2 v2 3 4 5 6 7 8 9 10 14 20 30 p d2 P r SX 1500 2000 3000 0.4 0.6 0.8 3 4 6 8 10 20 40 60 80 100 200 400 ∆L Wrel4 (A) Duty Speed point 1/min dB SX 1600 3 SX 1000 3 SX 600 2 qV opt 1600 2 qV opt 1000 2 qV opt 600 1 DX 1600 2 DX 1000 2 DX 600 2 Normal operation area 1 L WA 7 4000 5000 6000 8000 10000 15000 20000 63 125 250 500 1000 2000 4000 8000 Hz -6 2 0 -5 -6 -8 -9 -12 dB -1 4 -3 -4 -6 -7 -9 -15 dB 6 0 -2 -3 -6 -7 -12 -18 dB -6 2 -2 -5 -6 -8 -8 -11 dB -2 1 -3 -5 -6 -7 -9 -13 dB 4 -1 -3 -4 -5 -6 -11 -17 dB -7 -5 -5 -8 -8 -7 -6 -8 dB -6 -4 -7 -8 -7 -6 -7 -10 dB -3 -6 -7 -6 -6 -6 -8 -12 dB 2 90 63 67 95 η r 70 100 dB 67 58 3 4 5 6 7 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. 600 800 1000 m³/h m³/s 40 50m/s Pa 1/min 2200 2000 1800 1600 1400 1200 1100 1000 900 800 700 600 500 450 N W W W 26 26 33 24 19 14 13 12 11 10 8 7 5 AT S 24 19 14 13 12 11 10 8 7 5 AT SC 30 22 22 27 24 17 17 21 18 17 15 14 12 11 9 6 6 8 7 AT AR 63 125 250 500 1000 2000 4000 8000 Hz 3 8 4 -2 -4 -6 -7 -10 dB 6 8 1 -2 -4 -5 -7 -13 dB 11 3 1 -1 -4 -5 -10 -17 dB 1 7 1 -3 -5 -7 -6 -9 dB 4 5 0 -3 -6 -5 -7 -12 dB 9 2 -1 -4 -4 -5 -9 -16 dB -1 0 -1 -5 -5 -5 -5 -7 dB 0 0 -5 -5 -5 -4 -6 -9 dB 1 -3 -4 -4 -4 -4 -7 -12 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 15/11 Dimensions in mm, subject to change. AT S-15/11 17.7 kg 510 373 399 423 AT SC-15/11 20.9 kg 403 429 8 ø25 11 × 16 ø25 7 28 35 ø9 373 201.5 201.5 429 373 201.5 201.5 429 397 213.5 213.5 453 397 213.5 213.5 453 380 272 211 569 264 197 38 201 495 6 309 258 585 575 373 78 264 8 AT AR-15/11 20.9 kg 11 × 16 7 28 45 ø9 621 = 531 = = 449 539 = 620 575 373 96 264 8 ø9 403 429 ø30 16 × 11 7 33 60 373 201.5 201.5 429 397 213.5 213.5 453 621 = 531 = = 449 539 = Belt Driven Centrifugal Fans / AT / Technical Data 572 267 200 342 404 609 6 342 404 36 6 342 404 36 578 267 578 267 634 640 640 172 172 172 224 224 224 28 28 28 67

<strong>AT</strong> 15/11<br />

Technical Data<br />

Impeller Data Impeller Data<br />

Impeller diameter<br />

Number of blades<br />

Dr z<br />

381<br />

51<br />

mm Impeller weight<br />

Density of media<br />

Moment of Inertia<br />

J 0.186 kgm² Tolerance class (DIN 24166)<br />

Performance Curves<br />

Please note coloured area!<br />

N all types suitable<br />

N <strong>AT</strong> AR only<br />

N do not use in this area<br />

3500<br />

3000<br />

2500<br />

2000<br />

1500<br />

1000<br />

p F<br />

66<br />

Pa<br />

800<br />

600<br />

500<br />

400<br />

300<br />

200<br />

150<br />

100<br />

80<br />

0.3<br />

qV 0.12<br />

0.25<br />

0.37<br />

0.55<br />

0.75<br />

65<br />

1.1<br />

1.5<br />

DX<br />

2.2<br />

70<br />

3.0<br />

4.0<br />

5.5<br />

75<br />

7.5<br />

kW<br />

11<br />

80<br />

54%<br />

85<br />

58<br />

15<br />

m 6.2 kg<br />

r 1 1.2 kg/m³<br />

2<br />

2<br />

v2 3 4 5 6 7 8 9 10 14 20 30<br />

p d2<br />

P r<br />

SX<br />

1500 2000 3000<br />

0.4 0.6 0.8<br />

3 4 6 8 10 20 40 60 80 100 200 400<br />

∆L Wrel4 (A)<br />

Duty Speed<br />

point 1/min<br />

dB<br />

SX 1600 3<br />

SX 1000 3<br />

SX 600 2<br />

qV opt 1600 2<br />

qV opt 1000 2<br />

qV opt 600 1<br />

DX 1600 2<br />

DX 1000 2<br />

DX 600 2<br />

Normal operation<br />

area<br />

1<br />

L WA 7<br />

4000 5000 6000 8000 10000 15000 20000<br />

63 125 250 500 1000 2000 4000 8000 Hz<br />

-6 2 0 -5 -6 -8 -9 -12 dB<br />

-1 4 -3 -4 -6 -7 -9 -15 dB<br />

6 0 -2 -3 -6 -7 -12 -18 dB<br />

-6 2 -2 -5 -6 -8 -8 -11 dB<br />

-2 1 -3 -5 -6 -7 -9 -13 dB<br />

4 -1 -3 -4 -5 -6 -11 -17 dB<br />

-7 -5 -5 -8 -8 -7 -6 -8 dB<br />

-6 -4 -7 -8 -7 -6 -7 -10 dB<br />

-3 -6 -7 -6 -6 -6 -8 -12 dB<br />

2<br />

90<br />

63<br />

67<br />

95<br />

η r<br />

70<br />

100 dB<br />

67<br />

58<br />

3 4 5 6 7<br />

Belt Driven <strong>Centrifugal</strong> <strong>Fans</strong> / <strong>AT</strong> / Technical Data<br />

Performance certified is for installation type B - free inlet, ducted outlet.<br />

Power rating (kW) does not include transmission losses.<br />

Performance ratings do not include the effects of appurtenances (accessories).<br />

Relative sound power level for inlet side L Wrel7 at octave<br />

centre frequencies f c<br />

<strong>Nicotra</strong> <strong>Gebhardt</strong> S.p.A certifies that the fan shown herein is licensed to bear the AMCA Seal.<br />

The ratings shown are based on tests and procedures performed in accordance with AMCA<br />

Publication 211 and comply with the requirements of the AMCA Certified Ratings Program.<br />

The AMCA Certified Ratings Seal applies to air performance ratings only.<br />

600 800 1000<br />

m³/h<br />

m³/s<br />

40 50m/s<br />

Pa<br />

1/min<br />

2200<br />

2000<br />

1800<br />

1600<br />

1400<br />

1200<br />

1100<br />

1000<br />

900<br />

800<br />

700<br />

600<br />

500<br />

450<br />

N<br />

W W W<br />

26 26 33<br />

24<br />

19<br />

14<br />

13<br />

12<br />

11<br />

10<br />

8<br />

7<br />

5<br />

<strong>AT</strong> S<br />

24<br />

19<br />

14<br />

13<br />

12<br />

11<br />

10<br />

8<br />

7<br />

5<br />

<strong>AT</strong> SC<br />

30<br />

22 22 27<br />

24<br />

17 17 21<br />

18<br />

17<br />

15<br />

14<br />

12<br />

11<br />

9<br />

6 6 8<br />

7<br />

<strong>AT</strong> AR<br />

63 125 250 500 1000 2000 4000 8000 Hz<br />

3 8 4 -2 -4 -6 -7 -10 dB<br />

6 8 1 -2 -4 -5 -7 -13 dB<br />

11 3 1 -1 -4 -5 -10 -17 dB<br />

1 7 1 -3 -5 -7 -6 -9 dB<br />

4 5 0 -3 -6 -5 -7 -12 dB<br />

9 2 -1 -4 -4 -5 -9 -16 dB<br />

-1 0 -1 -5 -5 -5 -5 -7 dB<br />

0 0 -5 -5 -5 -4 -6 -9 dB<br />

1 -3 -4 -4 -4 -4 -7 -12 dB<br />

P b<br />

Measured in installation B<br />

according to ISO 5801:<br />

Relative sound power level for discharge side L Wrel4 at<br />

octave centre frequencies f c

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