CRNE-Grundfos Vertical Multistage Centrifugal Pump
⚙️ I. Corrosion-Resistant and High-Safety Design
1.All-Stainless Steel Construction
The pump body and all wetted parts are made of AISI 316 stainless steel (EN 1.4301), capable of handling corrosive, abrasive, toxic, or flammable liquids (such as acids, alkalis, and chemical media).
Suitable for high-risk applications in sectors like chemical processing, water treatment, and pharmaceuticals, ensuring long-term operational stability and safety.
2.High-Pressure and High-Temperature Capability
Supports operating pressures up to 30 bar and the transfer of high-temperature liquids (refer to specific model parameters for temperature limits), meeting the demands of industrial high-pressure systems (e.g., boiler feed, high-pressure washing).
🔋 II. High Efficiency, Energy Saving, and Intelligent Control
1.IE5 Ultra-Premium Efficiency Motor (MGE Series)
Integrates permanent magnet synchronous technology and meets the IE5 efficiency class under IEC 60034-30-2 standards (currently the highest global efficiency standard), significantly reducing energy consumption.
Features a built-in variable frequency drive (CRE models) that supports dynamic speed regulation, automatically adjusting speed based on flow demand to prevent energy waste.
2.Smart Connectivity and Safety Protection
Supports remote monitoring (via the Grundfos GO app or SCADA systems) for real-time operational diagnostics.
Integrates Safe Torque Off (STO) functionality, immediately cutting off torque output in emergencies to protect equipment and personnel.
🏗️ III. Compact Structure and High Performance
1.Vertical Multistage Design
Features a vertical, segmented structure with stacked impellers to achieve high head and flow rates (up to 180 m³/h).
Compact footprint makes it ideal for space-constrained facilities or areas with dense equipment layouts.
2.Hydraulic Optimization and Low Energy Consumption
Impellers and guide vanes are optimized through simulation-driven design to reduce fluid resistance and enhance efficiency (hydraulic efficiency reaching 70%–85%). The compact pump body reduces energy consumption; combined with a high-efficiency motor, it achieves an overall energy saving of over 30%.
🛠️ IV. Stable Operation & Low Maintenance
1.Vibration and Noise Reduction Technology
Equipped with rubber vibration-dampening connectors to absorb pump vibration, minimize impact transmission to piping, and extend equipment lifespan.
Operating noise is below 60 dB, making it suitable for noise-sensitive environments (e.g., hospitals, laboratories).
2.Modular Maintenance Design
Shaft sealing options include mechanical seals or soft packing seals, reducing leakage risk and extending maintenance intervals.
Key components (impeller, bearings) utilize wear-resistant materials and support rapid disassembly and replacement, minimizing downtime.
🌐 V. Broad Applicability
Multi-sector applications:
✅ Industrial pressure boosting (process water, fire-fighting systems)
✅ Water treatment (reverse osmosis, ultrafiltration systems)
✅ Chemical industry (corrosive liquid transfer)
✅ HVAC circulation and boiler feed water.
Media compatibility: Capable of handling clean water, wastewater, mildly corrosive liquids, and high-temperature media (specific model parameters must be verified).
📊 Overview of Key Technical Specifications
| Project | Parameter range | Remarks |
| Maximum working pressure | 30 bar | Suitable for high-pressure systems |
| Flow rate range | Up to 180 m³/h (depending on model) | Multi-stage design meets high-head requirements. |
| Motor energy efficiency | IE5 Class (MGE Series) | World's highest energy efficiency standards |
| Material | AISI 316 stainless steel (all wetted parts) | Corrosion-resistant and high-temperature resistant |
| Noise level | <60 dB | Vibration Damping Design Optimization |
💎 Key Advantages Summary
Triple Assurance: Corrosion-resistant materials + IE5 ultra-high-efficiency motor + Compact, high-pressure performance.
Smart Upgrades: Variable frequency speed control and remote monitoring enable "on-demand supply," reducing lifecycle costs.
Industrial Versatility: Covers the full spectrum of fluid handling needs, from standard water supply to the transport of hazardous liquids.








