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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 constructed from cast iron, while all other wetted parts are made of stainless steel (EN 1.4301). It is suitable for applications in water treatment fertigation, chemigation, dosing, controls and digital groundwater management, as well as drip, micro spray, and soaker hose irrigation.
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 97786855 |
| Rated pump speed | 3444 rpm |
| Rated flow | 159 US gpm |
| Rated head | 256.6 ft |
| Maximum head | 334.3 ft |
| Actual impeller diameter | 4.66 in |
| Stages | 4 |
| Impellers | 4 |
| Number of reduced-diameter impellers | 2 |
| Low NPSH | Y |
| Pump orientation | Vertical |
| Shaft seal arrangement | Single |
| Code for shaft seal | HQQE |
| Approvals | CURUS |
| Curve tolerance | ISO9906:2012 3B |
| Pump version | K |
| Cooling | TEFC |
| Base | Cast iron, EN 1563 EN-GJS-500-7, ASTM A536 80-55-06 |
| Impeller | Stainless steel, EN 1.4301, AISI 304 |
| Material code | A |
| Code for rubber | E |
| Bearing | SIC |
| Support bearing | Graflon |
| Maximum ambient temperature | 104 °F |
| Maximum operating pressure | 232.06 psi |
| Max pressure at stated temperature | 232 psi / 250 °F, 232 psi / -22 °F |
| Type of connection | ANSI |
| Size of suction port | 2 1/2 inch |
| Size of outlet port | 2 1/2 inch |
| Pressure rating for connection | PN 16 |
| Flange rating inlet | 150 lb |
| Flange size for motor | 254TC |
| Connect code | G |
| Pumped liquid | Water |
| Liquid temperature range | -22 .. 248 °F |
| Selected liquid temperature | 68 °F |
| Density | 62.29 lb/ft³ |
| Motor standard | NEMA |
| Motor type | BALDOR |
| Rated power - P2 | 20 HP |
| Power (P2) required by pump | 20 HP |
| Main frequency | 60 Hz |
| Rated voltage | 3 x 208-230/460 V |
| Service factor | 1.15 |
| Rated current | 48-44/22 A |
| Full load SF current | 56-50/25 A |
| Rated speed | 3540 rpm |
| IE efficiency | IE3 92,4% |
| IE Efficiency class | IE3 / NEMA Premium |
| Motor efficiency at full load | 92.4 % |
| Number of poles | 2 |
| Enclosure class (IEC 34-5) | IP54 |
| Insulation class (IEC 85) | F |
| Built-in motor protection | NONE |
| Frequency converter | None |
| DOE Pump Energy Index CL | 0.87 |
| Net weight | 447 lb |
| Gross weight | 465 lb |
| Shipping volume | 17.5 ft³ |