12-M-70 1470 RPM

12-M-70 1470 RPM

Impeller Data Bowl Data
Impeller Model 12-M-70 Bowl Model 12-M
Type Enclosed Connection Type Bolted
Diameter: A= 9.300" Outside Diameter: nominal 12.000"
B= 8.700" minimum 11.750"
C= 7.900" Column Pipe Size: standard 8"
Hydraulic Thrust Factor 7.6 lbs/ft of head @ peak efficiency maximum 10"
Impeller Weight 11.5# Suction Pipe Size: standard 8"
Number of Vanes 5 maximum 8"
Specific Speed (Ns) 1945 Shaft Size: standard 1.687"
Effective Eye Area 19.0 in² maximum 1.750"
W (r sq.) 0.709 lbs -ft² Lateral: standard 0.625"
Eye Fluid Velocity 0.02 ft/sec/gpm maximum 1.000"
Peripheral Velocity 6.41 ft/sec/inch of impeller diameter Shaft Bearing Clearance 0.010"
  Impeller Skirt Clearance 0.015"
Efficiency Correction for Impeller Data Maximum Sphere Size 0.850"
Number of Stages 1 2 3 4 5+ Maximum No. Stages (std. const.) 32
Deduct No. Points 4 3 2 1 0 Maximum Head @ 1.0 s.g. 880 ft
Lengths Operational
Column Adapter 1.500" Minimum Required Submergence Consult Factory
Discharge Case 4.750" Standard Construction Materials
Bowl 10.000" 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 24.250" Shaft Coupling C1215 steel
Approximate Shipping Weights Lock Collet C1215 steel
First Stage 266# Cap Screw grade 5
Additional Stage 107# Bowl Bearing C84400 br./buna-N A40
  Suction/Submersible Motor Adapter Bearing C84400 br.
Miscellaneous Throttle Bearing C84400 br.
Hub Projection on Bell Suction 1.562" Sand Collar Polyethylene
Cable Guard Height 0.500" Column Adapter/Discharge Case/Suction Case A48-30 c.i.
Distance from Impeller Eye to
Bottom of Bell Suction
8.532" Submersible Motor Adapter A48-30 c.i.
Tube Adapter cl. 65-45-12 ductile iron

 

Curve: 
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