Grundfos CRE 1-4 NV-A-A-E-HQQE Vertical Multistage Centrifugal Pump with Integrated Frequency Converter – 99236576 (1 x 220-240 V)
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The CRE 1-4 NV-A-A-E-HQQE is a vertical, non-self-priming, multistage inline centrifugal pump with an integrated frequency converter and PI-controller. Designed for installation in pipe systems, its pump head and base are cast iron, while all wetted components, including impellers and intermediate chambers, are stainless steel (EN 1.4301 / AISI 304). The pump features a HQQE single cartridge shaft seal, oval/Rp flange connections, and an advanced graphical control panel with built-in pressure sensor and remote communication via Grundfos R100 for enhanced monitoring, constant pressure operation, and easy integration into control systems. Built-in motor and electronics protection ensure safe and reliable operation.
Suitable Applications
- Commercial heating and air conditioning
- Commercial water pressure boosting
- District heating and cooling
- Industrial water supply and wastewater handling
- Industrial process water treatment
- Desalination and reverse osmosis
- Drinking water treatment and distribution
- Surface water intake systems
- Process liquids transfer
- Machining, wash, and clean systems
- Irrigation and agricultural water supply
- Community water supply systems
- Groundwater transfer
- Rotor, spray, and pivot irrigation
- Solar water supply, boosting, and fertigation solutions
- Livestock watering and agriculture solar applications
Key Specifications
| Product Name | CRE 1-4 NV-A-A-E-HQQE |
| Product Number | 99236576 |
| EAN | 5712609239013 |
| Pump Type | Vertical multistage centrifugal (inline) with integrated frequency converter |
| Rated Flow | 2.14 m³/h |
| Rated Head | 27.09 m |
| Maximum Head | 35.4 m |
| Speed (Pump Data) | 3462 rpm |
| Stages / Impellers | 4 / 4 |
| Shaft Seal | Single cartridge (HQQE) |
| Liquid Temperature Range | -20 to 120 °C |
| Maximum Operating Pressure | 16 bar |
| Connections | 1" Oval / Rp, PN 16 |
| Base / Head Material | Cast iron EN-GJL-200 |
| Impeller Material | Stainless steel EN 1.4301 (AISI 304) |
| Bearing | SIC |
| Motor Power (P2) | 0.37 kW |
| Voltage | 1 × 200–240 V |
| Frequency | 50 / 60 Hz |
| Rated Current | 2.4–2.1 A |
| Motor Efficiency Class | IE5 |
| Motor Efficiency (Full Load) | 84 % |
| Enclosure Class | IP55 |
| Insulation Class | F |
| Control | FM300 Graphical panel, built-in frequency converter, pressure sensor, remote R100 communication |
| MEI | ≥ 0.70 |
| Net / Gross Weight | 22.5 / 25.4 kg |
| Shipping Volume | 0.143 m³ |
| Approvals | CE, EAC, UKCA, CURUS, SEPRO, WRAS, ACS |
| Country of Origin | AU |
Documentation & Downloads
| Product Datasheet — CRE 1-4 NV-A-A-E-HQQE | Download |