Date 10/21/2022 Kruger Ventilation Industries Pte Ltd
Company - No. 17 Tuas Avenue 10
Attention - Singapore 639141
Project -
Reference Tel: +65 6861 1577 Fax: +65 6861 3577
Email: mktg@krugerasia.com
Fan Selection
Fan Type BDB
Unit BDB450/TM (II)
Fan Quantity 1
Operating Conditions Ducted
Required Volume 6,000 cfm
Required Static Pressure 125 mmwg
Air Volume 6,000 cfm
Static Pressure 125 mmwg
Velocity Pressure 4.73 mmwg
Total Pressure 130 mmwg
Outlet Velocity 8.78 m/s
Fan Total Efficiency 77.1 %
Fan Static Efficiency 74.3 %
Fan Speed 1915 rpm
Air Temperature 20 °C
Altitude 0m
Fan Absorbed Power 4.67 kW
Motor Selection
Recommended Motor D132 2p (7.50 kW)
Motor Speed 2900 rpm
Service Factor 10 %
Belt Selection
Fan Pulley / Bush / Shaft 200 mm / 2517 / 40 mm
Motor Pulley / Bush / Shaft 132 mm / 2012 / 38 mm
Belt Length 2000 mm
Number of Belts / f 2 x SPA
Static Belt Tension/Belt 700 N / 539 N
Belt Deflection 11 mm / 17 mm
Hz 63 125 250 500 1k 2k 4k 8k Overall
Belt Speed (<40m/s) 20 m/s
Lwi(Lin) 89 90 91 86 82 79 75 70 96 dB
Bearing Lift (L10/L50) 761360 / 3045441 hour
Lwo(Lin) 93 94 95 89 85 82 78 73 99 dB
Starting Torque 2.53 kgm
Lwi(A) 63 74 82 83 82 80 76 69 88 dB(A)
Operating Limits
Lpi(A) 52 64 71 72 71 70 65 59 78 dB(A)
Max. Absorbed Power 18.00 kW Sound Pressure Level "Lpi" 1.5m from the inlet side, Room Conditions
Max. Fan Speed 2900 rpm
Temperature (Min-Max) -20° to 100°C
C H KG L W
741 867 98 1200 908
Version: 1.21.11.6 (Database: 33.8) (CLT) November 2021 Date: 10/21/2022 Time: 2:43 PM
