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12-M-100 1170 RPM
| Impeller Data | Bowl Data | ||||||
| Impeller Model | 12-M-100 | Bowl Model | 12-M | ||||
| Type | Enclosed | Connection Type | Bolted | ||||
| Diameter: A= | 9.300" | Outside Diameter: nominal | 12.000" | ||||
| B= | 8.700" | minimum | 11.850" | ||||
| C= | 7.900" | Column Pipe Size: minimum | 8" | ||||
| Hydraulic Thrust Factor | 7.5 lbs/ft of head @ peak efficiency | maximum | 10" | ||||
| Impeller Weight | 11.8# | Suction Pipe Size | 8" | ||||
| Number of Vanes | 8 | Shaft Size: standard | 1.687" | ||||
| Specific Speed (Ns) | 2188 | maximum | Consult Factory | ||||
| Effective Eye Area | 20.37 in² | Lateral: standard | 0.625" | ||||
| W (r sq.) | 0.720 lbs -ft² | maximum | Consult Factory | ||||
| Eye Fluid Velocity | 0.02 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 | 0.750" | ||||||
| Efficiency Correction for Impeller Data | *Maximum Head @ 1.0 s.g.: | ||||||
| Number of Stages | 1 | 2 | 3 | 4 | 5+ | with nominal outside dia. | 897 ft |
| Deduct No. Points | 4 | 3 | 2 | 1 | 0 | with minimum outside dia. | 853 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 | Consult Factory | Shaft Coupling | C1215 steel |
| Approximate Shipping Weights | Lock Collet | C1215 steel | |
| First Stage | 266# | Cap Screw | grade 5 |
| Additional Stage | 107# | 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 |
8.532" | 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'