12-H-120 1170 RPM

12-H-120 1170 RPM

Impeller Data Bowl Data
Impeller Model 12-H-120 Bowl Model 12-H
Type Enclosed Connection Type Bolted
Diameter: A= 10.030" Outside Diameter: nominal 12.750"
B= 9.330" minimum 12.400"
C= 8.630" Column Pipe Size: minimum 8"
Hydraulic Thrust Factor 8.0 lbs/ft of head @ peak efficiency maximum 10"
Impeller Weight 14.1# Suction Pipe Size 8"
Number of Vanes 7 Shaft Size: standard 1.687"
Specific Speed (Ns) 2421 maximum Consult Factory
Effective Eye Area 20.66 in² Lateral: standard 0.750"
W (r sq.) 0.919 lbs -ft² maximum Consult Factory
Eye Fluid Velocity 0.03 ft/sec/gpm Shaft Bearing Clearance 0.010"
Peripheral Velocity 5.11 ft/sec/inch of impeller diameter Impeller Skirt Clearance 0.015"
  Maximum Sphere Size 0.775"
Efficiency Correction for Impeller Data *Maximum Head @ 1.0 s.g.:  
Number of Stages 1 2 3 4 5+ with nominal outside dia. 567 ft
Deduct No. Points 4 3 2 1 0 with minimum outside dia. 505 ft
Lengths Operational
Column Adapter 1.500" Minimum Required Submergence Consult Factory
Discharge Case 4.750" Standard Construction Materials
Bowl 10.750" Bowl A48-30 c.i. (porcelain)
Suction Case 10.125" Impeller C83800 br.
Suction Bell 8.500" Bowl Shaft 416 stainless steel
Submersible Motor Adapter Consult Factory Shaft Coupling C1215 steel
Approximate Shipping Weights Lock Collet C1215 steel
First Stage 280# Cap Screw grade 5
Additional Stage 121# Bowl Bearing C93200 br./buna-N A40
  Suction/Submersible Motor Adapter Bearing C93200 br.
Miscellaneous Throttle Bearing C93200 br.
Hub Projection on Bell Suction 1.625" Sand Collar C93200 br.
Cable Guard Height 0.500" Column Adapter/Discharge Case/Suction Case A48-30 c.i.
Distance from Impeller Eye to
Bottom of Bell Suction
8.438" Submersible Motor Adapter A48-30 c.i.
Tube Adapter cl. 65-45-12 ductile iron

* Not valid for submersible applications -- o-rings required if the maximum operating head will exceed 500'

 

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