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12-XH-220 1470 RPM
| Impeller Data | Bowl Data | ||||||
| Impeller Model | 12-XH-220 | Bowl Model | 12-XH | ||||
| Type | Enclosed | Connection Type | Bolted | ||||
| Diameter: A= | 10.000" | Outside Diameter: nominal | 12.125" | ||||
| B= | 9.350" | minimum | 11.750" | ||||
| C= | 8.625" | Column Pipe Size: standard | 8" | ||||
| Hydraulic Thrust Factor | 17.5 lbs/ft of head @ peak efficiency | maximum | 10" | ||||
| Impeller Weight | 18.9# | Suction Pipe Size: standard | 8" | ||||
| Number of Vanes | 7 | maximum | 8" | ||||
| Specific Speed (Ns) | 4519 | Shaft Size: standard | 1.687" | ||||
| Effective Eye Area | 41.42 in² | maximum | 2.187" | ||||
| W (r sq.) | 0.95 lbs -ft² | Lateral: standard | 1.250" | ||||
| Eye Fluid Velocity | 0.01 ft/sec/gpm | maximum | 1.375" | ||||
| 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 | 0.800" | |||||
| Number of Stages | 1 | 2 | 3 | 4 | 5+ | Maximum No. Stages (std. const.) | 16 |
| Deduct No. Points | 4 | 3 | 2 | 1 | 0 | Maximum Head @ 1.0 s.g. | 707 ft |
| Lengths | Operational | ||
| Column Adapter | 1.500" | Minimum Required Submergence | Consult Factory |
| Discharge Case | 4.750" | Standard Construction Materials | |
| Bowl | 12.000" | Bowl | A48-30 c.i. (porcelain) |
| Suction Case | 11.625" | Impeller | C83800 br. |
| Suction Bell | 9.625" | Bowl Shaft | 416 stainless steel |
| Submersible Motor Adapter | 24.250" | Shaft Coupling | C1215 steel |
| Approximate Shipping Weights | Lock Collet | C1215 steel | |
| First Stage | 252# | Cap Screw | grade 5 |
| Additional Stage | 106# | Bowl Bearing | C84400 br./buna-N A40 |
| Suction/Submersible Motor Adapter Bearing | C84400 br. | ||
| Miscellaneous | Throttle Bearing | C84400 br. | |
| Hub Projection on Bell Suction | 0.250" | 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 |
9.625" | Submersible Motor Adapter | A48-30 c.i. |
| Tube Adapter | cl. 65-45-12 ductile iron | ||