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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). It is applicable for 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 | 99971259 |
| Rated pump speed | 3577 rpm |
| Rated flow | 980 US gpm |
| Rated head | 781.9 ft |
| Maximum head | 1041 ft |
| Stages | 5 |
| Impellers | 5 |
| Number of reduced-diameter impellers | 1 |
| Low NPSH | N |
| Pump orientation | Vertical |
| Shaft seal arrangement | Single |
| Code for shaft seal | HQQE |
| Approvals for drinking water | NSF/ANSI 61,NSF/ANSI 372 |
| Curve tolerance | ISO9906:2012 3B |
| Pump version | A |
| Base | Ductile cast iron, EN 1563 EN-GJS-500-7, ASTM A536-84 65-45-12 |
| Impeller | Stainless steel, EN 1.4401, AISI 316 |
| Material code | A |
| Code for rubber | E |
| Bearing | WC/WC |
| Support bearing | Graflon |
| Thrust handling device | Y |
| Material certified according to | European standards |
| Maximum operating pressure | 580.15 psi |
| Max pressure at stated temperature | 363 psi / 250 °F, 580.15 psi / 176 °F |
| Type of connection | ANSI |
| Size of suction port | 8 inch |
| Size of outlet port | 8 inch |
| Pressure rating for connection | 300 lb |
| Flange size for motor | 449TSD |
| Connect code | G |
| Pumped liquid | Water |
| Liquid temperature range | -4 .. 248 °F |
| Selected liquid temperature | 68 °F |
| Density | 62.29 lb/ft³ |
| Motor standard | NEMA |
| Power (P2) required by pump | 251 HP |
| Frequency converter | None |
| Net weight | 818 lb |
| Gross weight | 1080 lb |
| Shipping volume | 44.2 ft³ |