Grundfos CRE 5-4 NPV-A-A-E-HQQE Vertical Multistage Centrifugal Pump with Integrated Frequency Converter – 99315819 (3 x 380-500 V)
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The CRE 5-4 NPV-A-A-E-HQQE is a vertical, non-self-priming, multistage inline centrifugal pump with integrated frequency converter and PI-controller. Its pump head and base are cast iron, while all wetted parts, including impellers and intermediate chambers, are stainless steel (EN 1.4301 / AISI 304). A cartridge shaft seal ensures reliability and easy service. The pump is fitted with a three-phase, permanent-magnet synchronous motor (IE5 efficiency class) with built-in frequency converter and PI-controller. The motor terminal box features a four-inch TFT display, push-buttons, and the Grundfos Eye indicator for intuitive operation and monitoring. Communication and advanced control are possible via Grundfos GO Remote and multiple I/O interfaces, including GENIbus and CIM fieldbus modules.
Suitable Applications
- Commercial heating
- Commercial air conditioning
- Commercial water pressure boosting
- District heating
- District cooling
- Machining
- Wash and clean
- Process liquids transfer
- Industrial heating
- Cooling
- Industrial water supply
- Industrial wastewater
- Industrial process water treatment
- Desalination
- Reverse osmosis water treatment
- Surface water intake
- Drinking water treatment
- Water distribution
- Irrigation
- Solar water solutions
- Community water supply
- Rotor & spray irrigation
- Groundwater transfer
- Pivot irrigation
- Solar boosting and water supply solutions
- Controls and digital groundwater management
- Solar controls and digital water management
- Solar water treatment fertigation and dosing
- Agriculture solar solutions
- Livestock watering with solar solutions
Key Specifications
| Product Name | CRE 5-4 NPV-A-A-E-HQQE |
| Product Number | 99315819 |
| Pump Type | Vertical multistage centrifugal (inline) with integrated frequency converter |
| Rated Flow | 6.41 m³/h |
| Rated Head | 26.91 m |
| Speed (Pump Data) | 3316 rpm |
| Stages / Impellers | 4 |
| Shaft Seal | Single cartridge (HQQE) |
| Liquid Temperature Range | -20 to 120 °C |
| Maximum Operating Pressure | 16 bar |
| Connections | 1¼" Oval / Rp, PN 16 |
| Base / Head Material | Cast iron EN-GJL-200 / ASTM A48-25B |
| Impeller Material | Stainless steel EN 1.4301 (AISI 304) |
| Bearing | SIC |
| Motor Power (P2) | 0.75 kW |
| Voltage | 3 × 380–500 V |
| Frequency | 50 / 60 Hz |
| Rated Current | 1.7–1.6 A |
| Motor Efficiency Class | IE5 |
| Motor Efficiency (Full Load) | 85.9 % |
| Enclosure Class | IP55 |
| Insulation Class | F |
| Control | Built-in frequency converter, PI-controller, TFT display, Grundfos Eye, GO Remote, GENIbus, CIM fieldbus compatibility |
| MEI | ≥ 0.57 |
| Net / Gross Weight | 24.7 / 27.6 kg |
| Shipping Volume | 0.143 m³ |
| Approvals | CE, EAC, UKCA, CURUS, SEPRO, WRAS, ACS |
| Country of Origin | AU |
Documentation & Downloads
| Product Datasheet — CRE 5-4 NPV-A-A-E-HQQE | Download |