The Grundfos 35S200-60 (product number 98924434) is a SP7 stainless steel submersible well pump rated 36.5 US gpm at 1289 ft across 60 stages, supplied complete with a three-phase Grundfos submersible motor.
Performance Curve
Official Grundfos curve — 60 Hz, water at 68 °F. Head (H) and efficiency (η) against flow (Q); lower chart shows power and NPSH required.
Performance & Hydraulic Data
| Rated flow | 36.5 US gpm |
| Rated head | 1289 ft |
| Stages | 60 |
| Pump speed (data basis) | 3450 rpm |
| Pump type | SP7 |
| US designation | SP7-60 |
| Maximum operating pressure | 870.23 psi |
| Maximum outlet pressure | 791.91 psi |
| Built-in return valve | Yes |
| Curve tolerance | ISO9906:2012 3B |
Materials of Construction
| Pump housing | Stainless steel — EN 1.4301 — AISI 304 |
| Impellers | Stainless steel — EN 1.4301 — AISI 304 |
Installation & Connections
| Discharge connection | 2 NPT(M) |
| Motor diameter | 6 inch |
| Minimum borehole diameter | 5.71 in |
| Overall length | 171 in |
| Liquid temperature range | 5 °F to 104 °F |
Motor & Electrical Data
| Voltage & phase | 208 V, three-phase |
| Frequency | 60 Hz |
| Enclosure class | IP68 |
| Grundfos motor number | 96166186 |
Approvals, Weights & Identification
| Approvals | CULDWUS,CCSAUS |
| Drinking water | PROP65 |
| Grundfos product number | 98924434 |
| EAN | 5712603663142 |
| Net weight (pump + motor) | 268.6 lb |
| Gross (shipping) weight | 505.6 lb |
| Country of origin | United States |
| HS / customs tariff code | 8413.70.2004 |
Typical Applications
Well and borehole water supply • groundwater abstraction • irrigation • pressure boosting • livestock and rural water • industrial process water.
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