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Description
This vertical multistage centrifugal pump has suction and discharge ports on the same level. The pump head and base are made of cast iron, while all other wetted parts are constructed from stainless steel (EN 1.4301).
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 91129728 |
| Rated pump speed | 1731 rpm |
| Rated flow | 26.9 US gpm |
| Rated head | 47.57 ft |
| Maximum head | 60.37 ft |
| Stages | 5 |
| Impellers | 5 |
| Number of reduced-diameter impellers | 0 |
| Low NPSH | N |
| Pump orientation | Vertical |
| Shaft seal arrangement | Single |
| Code for shaft seal | HQQE |
| Approvals | CURUS |
| Curve tolerance | ISO9906:2012 3B |
| Pump version | A |
| Cooling | TEFC |
| Base | Cast iron, EN 1561 EN-GJL-200, ASTM A48-25B |
| Impeller | Stainless steel, EN 1.4301, AISI 304 |
| Material code | A |
| Code for rubber | E |
| Bearing | SIC |
| Maximum ambient temperature | 131 °F |
| Maximum operating pressure | 232.06 psi |
| Max pressure at stated temperature | 232 psi / 250 °F, 232 psi / -4 °F |
| Type of connection | ANSI / JIS |
| Size of inlet connection | DN 50 |
| Size of outlet connection | DN 50 |
| Pressure rating for connection | PN 25 |
| Flange rating inlet | 300 lb |
| Flange size for motor | 56C |
| Connect code | GJ |
| Pumped liquid | Water |
| Liquid temperature range | -4 .. 248 °F |
| Selected liquid temperature | 68 °F |
| Density | 62.29 lb/ft³ |
| Motor standard | NEMA |
| Motor type | BALDOR |
| Rated power - P2 | 0.5 HP |
| Power (P2) required by pump | 0.5 HP |
| Main frequency | 60 Hz |
| Rated voltage | 3 x 208-230/460 V |
| Service factor | 1.25 |
| Rated current | 2,5-2,4/1 A |
| Full load SF current | 2.4/1.2 A |
| Rated speed | 1725 rpm |
| IE Efficiency class | NEMA Energy / IE2 60Hz / NRC |
| Motor efficiency at full load | 74 % |
| Number of poles | 4 |
| Insulation class (IEC 85) | B |
| Built-in motor protection | NONE |
| Frequency converter | None |
| Net weight | 97 lb |
| Gross weight | 115 lb |
| Shipping volume | 6.11 ft³ |