Grundfos CRE 1-9 NV-A-A-E-HQQE Vertical Multistage Centrifugal Pump with Integrated Frequency Converter – 99236583 (3 x 380-500 V)
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The CRE 1-9 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 a 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
- 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 1-9 NV-A-A-E-HQQE |
| Product Number | 99236583 |
| EAN | - |
| Pump Type | Vertical multistage centrifugal (inline) with integrated frequency converter |
| Rated Flow | 2.16 m³/h |
| Rated Head | 61.94 m |
| Maximum Head | - |
| Speed (Pump Data) | 3504 rpm |
| Stages / Impellers | 9 |
| 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 / 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, pressure sensor, R100 remote communication |
| MEI | ≥ 0.70 |
| Net / Gross Weight | 26.1 / 29 kg |
| Shipping Volume | 0.143 m³ |
| Approvals | CE, EAC, UKCA, CURUS, SEPRO, WRAS, ACS |
| Country of Origin | AU |
Documentation & Downloads
| Product Datasheet — CRE 1-9 NV-A-A-E-HQQE | Download |