
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
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10.4 Technical Data Sheet
10.4.1 Diametrical Running Clearances
Design readings
mm (in)
Max permissible
Readings
mm (in)
Suction Head Ring and Impeller Ring(1
ST
Front)
0.530 ~ 0.659 (0.021 ~ 0.026) 0.989 (0.039)
Diffuser Rings and Impeller
Rings(2
ND
~11
TH
)
0.530 ~ 0.659 (0.021 ~ 0.026) 0.989 (0.039)
Diffuser Rings and Impeller Back
Hubs(1
ST
~10
TH
)
0.450 ~ 0.614 (0.018 ~ 0.024) 0.921 (0.036)
Balancing Ring and Balancing Drum 0.360 ~ 0.434 (0.014 ~ 0.017) 0.651 (0.026)
Throat Bushings and Shaft Sleeve 0.800 ~ 0.975 (0.013 ~ 0.038) 1.463 (0.058)
Oil baffles and shaft 0.350 ~ 0.397 (0.014 ~ 0.016) 0.596 (0.023)
Journal Bearings 0.100 ~ 0.144 (0.004 ~ 0.006) 0.216 (0.009)
10.4.2 Axial Running Clearance
Thrust Bearing Total End Play 0.28 ~ 0.38 (0.011 ~ 0.015)
10.4.3 Rotor Movement
Axial Total End Play 11 ~ 13 (.0413 ~ 0.512)
Radial side 0.83 (0.033)
Vertical End Play
Thrust side 0.52 (0.020)
10.4.4 Adjusting Value To Lift The Rotor (from centre of Vertical End Play)
Radial side 0.299 ~ 0.319 (0.012 ~ 0.013)
Thrust side 0.130 ~ 0.150 (0.005 ~ 0.006)
10.4.5 Recommended Torque For Tightening Threaded Fasteners
Torque
N.m (ft.lb)
Discharge Head 12360 ~ 13600 (9100 ~ 10000)
Suction Head 825 ~ 910 (610 ~ 670)
Staffing Box 490 ~ 540 (360 ~ 400)
Bearing Retainer 25 ~ 29 (19 ~ 22)
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