Centrifugal Fans AT belt driven - Nicotra Gebhardt

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AT 7/7 Technical Data Impeller Data Impeller Data Impeller diameter Number of blades Dr z 200 46 mm Impeller weight Density of media Moment of Inertia J 0.009 kgm² Tolerance class (DIN 24166) Performance Curves Please note coloured area! N all types suitable N do not use in this area 2000 p F 52 Pa 1500 1000 800 600 500 400 300 200 150 100 80 60 50 40 P r 0.01 30 150 200 0.02 qV 0.06 0.08 0.9 1 v2 1.4 0.6 0.8 1 pd2 ∆L Wrel4 (A) Duty point Speed 1/min dB SX 2200 3 SX 1400 3 SX 800 2 qV opt 2200 3 qV opt 1400 2 qV opt 800 2 DX 2200 3 DX 1400 2 DX 800 2 0.04 300 0.06 2 SX 0.1 2 0.12 400 0.18 0.25 55 500 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). 0.37 600 0.55 kW 0.75 0.2 60 Normal operation area 800 40% 1.1 48 m 1.25 kg r 1 1.2 kg/m³ 2 3 4 5 6 7 8 9 10 14 20 30 3 4 6 8 10 20 40 60 80 100 200 400 600 Relative sound power level for inlet side L Wrel7 at octave centre frequencies f c 63 125 250 500 1000 2000 4000 8000 Hz -2 -7 0 -8 -8 -6 -7 -12 dB -6 -1 -3 -8 -6 -5 -10 -14 dB -2 2 -8 -5 -3 -8 -12 -18 dB -4 -10 0 -9 -9 -6 -7 -11 dB -9 -2 -3 -9 -6 -5 -9 -13 dB -5 2 -9 -6 -4 -7 -11 -17 dB -7 -12 -4 -8 -10 -7 -6 -7 dB -11 -7 -4 -11 -8 -6 -6 -8 dB -9 -3 -11 -8 -6 -6 -8 -11 dB DX 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. 65 70 56 75 1.5 L WA 7 η r 59 2.2 3.0 54 1000 1500 2000 3000 4000 80 0.4 0.6 0.8 85 1 90 4.0 42 5000 95 dB 29 m³/h m³/s m/s Pa 1/min W W 3000 20 20 2800 2400 2200 2000 1800 1600 1400 1200 1000 800 600 N 19 16 15 13 12 11 9 8 7 5 4 AT S 19 2600 17 17 16 15 13 12 11 9 8 7 5 700 5 5 Measured in installation B according to ISO 5801: 4 AT SC Pb Relative sound power level for discharge side L Wrel4 at octave centre frequencies f c 63 125 250 500 1000 2000 4000 8000 Hz 9 2 6 -4 -5 -4 -5 -10 dB 3 6 2 -5 -4 -3 -8 -13 dB 5 7 -5 -3 -2 -6 -10 -16 dB 6 -2 6 -5 -6 -5 -5 -9 dB 0 4 1 -6 -5 -4 -7 -11 dB 2 6 -6 -4 -3 -6 -10 -16 dB 3 -4 1 -4 -6 -5 -4 -6 dB -3 -2 0 -7 -5 -4 -5 -7 dB -3 2 -7 -5 -3 -4 -6 -11 dB
AT 7/7 Dimensions in mm, subject to change. AT S-7/7 5 kg 340 232 258 282 AT SC-7/7 6 kg ø20 11 × 16 19 28 ø9 232 131 131 288 201 115.5 115.5 257 203 145 86 337 = 262 = 316 153 117 17 88 225 6 169 147 394 321 232 59 153 254 272 ø20 9 × 12 19 35 ø9 232 131 131 288 201 115.5 115.5 257 = 210 285 = Belt Driven Centrifugal Fans / AT / Technical Data 319 156 47 186 208 325 6 186 208 36 324 156 350 350 172 172 224 224 28 28 53
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: Product overview range AT This kind
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 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
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AT TIC 20/15-30/28 Specifications F
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AT SC2 7/7-18/18 Specifications Fan
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AT SC2 7/7-18/18 Specifications Fan
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Gebhardt fan systems - the "complet
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Fittings / Accessories Corrosion Pr
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Fittings / Accessories Volumeter p
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Fittings / Accessories Anti Vibrati
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Fan Sets Base Frame with Belt Tensi
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RZR 11-0200/-0500 Fan set arrangeme
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RZR 13-0400/-1000 RZR 18-0400/-1000
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AT 7/7-18/18 Fan set arrangement wi
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RZR 13-0400/-1000 RZR 18-0400/-1000
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Fan Sets Min. Pulley-Diameter, Bear
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Fan Sets Belt Driven Centrifugal Fa
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Fan Sets Min. recommended Pulley Di
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Description Bearings ADH / AT / RDH
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Description Motors Attachment point
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Description Operating limits ADH Pe
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Description Operating limits RDH Pe
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Description Performance p sF = p F
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Description Sound 1 = Air permeable
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Description Operating limits RZR AT
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Notes Quality management system Mac
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