Report - [25000.fan] 16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Working Temperature 32.0000 °C Relative Humidity 30.0000 % Altitude 900.0000 m Static pressure at fan inlet 5.0000 mmWG Specific gravity of the gas 1.0000 ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Actual Density at fan inlet 1.0319 kg / m³ Density at NTP 1.2000 kg / m³ ----------------------------------------------------------------- Centrifugal Fan - Casing Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Type of Casing Vortex ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Casing outlet velocity 5.0100 m/s Casing inlet velocity 4.3600 m/s Casing width 2968.0000 mm Casing outlet height 793.0000 mm Casing inlet diameter 1856.0000 mm First casing radius 1008.0000 mm Second casing radius 1058.0000 mm Third casing radius 1112.0000 mm Fourth casing radius 1168.0000 mm Casing outlet temperature 32.1200 °C

Compressibility coefficient 0.9990 Total Pressure at working condition 15.320000 mmWG ----------------------------------------------------------------- Centrifugal Fan - Impeller Report - [25000.fan] 16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Type of Fan DIDW Type of Drive Direct Type of Blade Long - Shaving Capacity 42475.0000 m³/hr Static pressure at working condition14.0000 mmWG Clearance gap 5.0000 mm ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Outer diameter 1720.0000 mm Inner diameter 1115.0000 mm Outer width 586.0000 mm Inner width 848.0000 mm No. of blades 6 Inlet blade angle 13.2500 degree Outlet blade angle 90.0000 degree Fan speed 186.0000 r.p.m. Tip speed 16.7100 m/s Total efficiency 65.3100 % Static efficiency 64.0400 % BHP at working condition 3.6200 BHP at NTP 4.2100 Static pressure at NTP 16.2800 mmWG Blade length 0.0000 mm Radius of curvature of blade 0.0000 mm

Centrifugal Fan - Foundation Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Type of Balancing Static Radial dist.between Impeller centre of gravity & axis of rotation 0.8600 mm ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Grade of concrete M10 Base Frame Size Angle 40 X 40 X 5 mm No.Of Foundation Bolt 4 Foundation Bolt Designation M12 Foundation Bolt Length 50.0000 mm Actual Dynamic Load Including Motor 137.1500 kg Base Frame Weight 7.2000 kg ----------------------------------------------------------------- Centrifugal Fan - Motor Selection Report -[25000.fan]16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Recommended motor 8.0000 H.P. ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Motor Shaft Diameter 38.0000 mm Motor Shaft Length 80.0000 mm

Centrifugal Fan - Miscellaneous Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Motor GD² 0.0210 Kgf.m² Rated Torque 2.5400 Kgf.m Rated Current 14.7000 Amp Fan GD² 5.1800 Kgf.m² Rated Torque at working condition 14.2100 Kgf.m Rated Current at working condition 5.1100 Amp Rated Torque at NTP 16.5200 Kgf.m Rated Current at NTP 5.9400 Amp Vibration Amplitude in mil Normal and Acceptable 15.4000 mil Alarm,Potential hazard 22.5800 mil Immediate Shutdown 51.3400 mil Sound level Sound level at design point 56.9000 db Maximum sound level 62.5900 db ----------------------------------------------------------------- Centrifugal Fan - Hub Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Type of Hub Casted -----------------------------------------------------------------

OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Boss Diameter 76.0000 mm Hub Length 125.0000 mm Hub Plate Diameter 176.0000 mm Hub Plate Thickness 10.0000 mm P.C.D of Bolt Circle 126.0000 mm Weight of Hub 13.0000 Kg Number of Bolts 6.0000 Bolt Designation M8 ----------------------------------------------------------------- Centrifugal Fan - Pedestal Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Material of construction Mild Steel C 132.0000 mm ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Thickness 2.0000 mm A 742.0000 mm B 816.0000 mm L 554.0000 mm H 1036.0000 mm Centrifugal Fan - StaticDynamic Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- ----------------------------------------------------------------- OUTPUTS -----------------------------------------------------------------

Name Value Unit ----------------------------------------------------------------- Impeller Weight 0.0000 Kg Casing Weight 10.0000 Kg Hub Weight 13.0000 Kg Pedestal Weight 37.0000 Kg Motor Weight 53.0000 Kg Static Load Including Motor 192.0000 Kg Dynamic Load Including Motor 287.0000 Kg ----------------------------------------------------------------- Centrifugal Fan - Thickness Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- BackPlate Mild Steel Blade Mild Steel Shroud Casing Mild Steel No. of Stiffner Rings for Blades 0 No. of Stiffner Rings for Casing 0 ----------------------------------------------------------------- OUTPUTS -----------------------------------------------------------------

Name Value Unit ----------------------------------------------------------------- BackPlate Thickness 2.5000 mm Blade Thickness 2.0000 mm Shroud Thickness Casing Thickness 2.0000 mm ----------------------------------------------------------------- Centrifugal Fan - PerformanceCurve Report -[25000.fan]16 April 1998 ----------------------------------------------------------------- INPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Performance Speed 186.0000 rpm Performance density 1.0319 Kg/m³ ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit ----------------------------------------------------------------- Capacity 42475.0000 m³/hr Static Pressure 14.0000 mmWG Total efficiency 76.5000 % Static efficiency 75.1800 % BHP 3.0900 Centrifugal Fan - Common Report -[25000.fan] 16 April 1998 ----------------------------------------------------------------- ----------------------------------------------------------------- OUTPUTS ----------------------------------------------------------------- Name Value Unit

----------------------------------------------------------------- Capacity 42475.0000 m³/hr Static pressure at working condition14.0000 mmWG Working Temperature 32.0000 °C Impeller size 1115.0000 mm Type of Blade Long - Shaving No. of blades 6 BHP at working condition 3.6200 BHP at NTP 4.2100 Tip speed 16.7100 m/s Impeller GD² 0.0210 Kgf.m² Rated Torque 2.5400 Kgf.m Rated Current 14.7000 Amp Sound level 56.9000 db Vibrational Amplitude(Normal) 15.4000 mil Static Load Including Motor 192.0000 Kg Actual Dynamic Load Including Motor 137.1500 kg -----------------------------------------------------------------