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12-H-120 1470 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 | 12.120" | ||||
| C= | 8.630" | Column Pipe Size: standard | 8" | ||||
| Hydraulic Thrust Factor | 8.0 lbs/ft of head @ peak efficiency | maximum | 10" | ||||
| Impeller Weight | 14.1# | Suction Pipe Size: standard | 8" | ||||
| Number of Vanes | 7 | maximum | 8" | ||||
| Specific Speed (Ns) | 2421 | Shaft Size: standard | 1.687" | ||||
| Effective Eye Area | 20.66 in² | maximum | 1.750" | ||||
| W (r sq.) | .919 lbs -ft² | Lateral: standard | 0.750" | ||||
| Eye Fluid Velocity | 0.03 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 | 0.775" | |||||
| Number of Stages | 1 | 2 | 3 | 4 | 5+ | Maximum No. Stages (std. const.) | 17 |
| Deduct No. Points | 4 | 3 | 2 | 1 | 0 | Maximum Head @ 1.0 s.g. | 620 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 | 24.250" | Shaft Coupling | C1215 steel |
| Approximate Shipping Weights | Lock Collet | C1215 steel | |
| First Stage | 280# | Cap Screw | grade 5 |
| Additional Stage | 121# | 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 |
8.438" | Submersible Motor Adapter | A48-30 c.i. |
| Tube Adapter | cl. 65-45-12 ductile iron | ||