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Grundfos CRNE Variable-Speed ​​Stainless Steel Vertical Multistage Centrifugal Pump

CRNE 1-13 CRNE 1-17 CRNE 1-25 CRNE 1-27 CRNE 3-2 CRNE 3-4 CRNE 3-5 CRNE 3-8 CRNE 3-11 CRNE 3-17 CRNE 3-23 CRNE 5-2 CRNE 5-4 CRNE 5-5 CRNE 5-9 CRNE 5-9 CRNE 5-16 CRNE 5-22 CRNE 10-1 CRNE 10-2 CRNE 10-3 CRNE 10-5 CRNE 10-6 CRNE 10-9 CRNE 10-12 CRNE 15-1 CRNE 15-4 CRNE 15-5 CRNE 15-8 CRNE 20-1 CRNE 20-2 CRNE 20-3 CRNE 20-4 CRNE 20-6 CRNE 32-1 CRNE 32-1-1 CRNE 32-2 CRNE 32-2-1 CRNE 32-4-2 CRNE 32-6 CRNE 32-7 CRNE 45-1 CRNE 45-1-1 CRNE 45-2-2 CRNE 45-3

The Grundfos CRNE variable-speed stainless steel vertical multistage centrifugal pump is constructed from 316 stainless steel,offering exceptional corrosion resistance and durability suitable for demanding applications such as industrial water supply,high-pressure cleaning,and HVAC systems.Equipped with intelligent variable-speed control technology,it ensures high-efficiency,energy-saving operation by precisely regulating flow and pressure to reduce energy costs
Function
Parameters
Size
Video Introduction

Function

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.

Parameters

model Voltage/Frequency Flow rate (m³/h) Head (m) Power (kW) caliber
CRNE 1-4 220V/50Hz 2.14 27.09 0.37 25/32×25/32
CRNE 1-6 380V/50Hz 2.17 41.68 0.55 25/32×25/32
CRNE 1-9 220V/50Hz 2.13 60.29 0.75 25/32×25/32
CRNE 1-9 220V/50Hz 2.13 60.29 0.75 1 1/4×1 1/4
CRNE 1-13 220V/50Hz 2.14 87.14 1.1 25/32×25/32
CRNE 1-17 380V/50Hz 2.17 117.5 1.5 25/32×25/32
CRNE 1-25 380V/50Hz 2.14 174.6 2.2 25/32×25/32
CRNE 1-27 380V/50Hz 2.15 190.2 3 25/32×25/32
CRNE 3-2 220V/50Hz 3.53 14.72 0.37 25/32×25/32
CRNE 3-4 220V/50Hz 3.56 28.43 0.55 25/32×25/32
CRNE 3-5 220V/50Hz 3.58 35.69 0.75 25/32×25/32
CRNE 3-8 220V/50Hz 3.57 56.66 1.1 25/32×25/32
CRNE 3-11 380V/50Hz 3.62 79.94 1.5 25/32×25/32
CRNE 3-17 380V/50Hz 3.62 123.2 2.2 25/32×25/32
CRNE 3-23 380V/50Hz 3.62 166.5 3 25/32×25/32
CRNE 5-2 220V/50Hz 6.21 15.06 0.55 25/32×25/32
CRNE 5-4 220V/50Hz 6.65 29.9 1.1 25/32×25/32
CRNE 5-5 380V/50Hz 6.86 38.32 1.5 25/32×25/32
CRNE 5-9 380V/50Hz 7.05 68.04 2.2 25/32×25/32
CRNE 5-9 380V/50Hz 7.05 68.04 2.2 1 1/4×1 1/4
CRNE 5-16 380V/50Hz 7.27 119.7 4 25/32×25/32
CRNE 5-22 380V/50Hz 7.27 165.1 5.5 25/32×25/32
CRNE 10-1 220V/50Hz 10.43 11.56 0.75 40×40
CRNE 10-2 380V/50Hz 11.23 24.07 1.5 40×40
CRNE 10-3 380V/50Hz 11.72 34.67 2.2 40×40
CRNE 10-5 380V/50Hz 12.14 57.56 3 40×40
CRNE 10-6 380V/50Hz 12.18 69.86 4 40×40
CRNE 10-9 380V/50Hz 12.15 104.5 5.5 40×40
CRNE 10-12 380V/50Hz 12.31 138.6 7.5 40×40
CRNE 15-1 380V/50Hz 19.36 15.15 1.5 50×50
CRNE 15-4 380V/50Hz 20.45 62.8 5.5 50×50
CRNE 15-5 380V/50Hz 21.41 76.88 7.5 50×50
CRNE 15-8 380V/50Hz 21.66 122.8 11 50×50
CRNE 20-1 380V/50Hz 20 16.88 2.2 50×50
CRNE 20-2 380V/50Hz 22.86 33.97 4 50×50
CRNE 20-3 380V/50Hz 23.88 50.28 5.5 50×50
CRNE 20-4 380V/50Hz 24.25 67.06 7.5 50×50
CRNE 20-6 380V/50Hz 24.26 102.4 11 50×50
CRNE 32-1 380V/50Hz 36 20.6 3 65×65
CRNE 32-1-1 380V/50Hz 36 15.6 2.2 65×65
CRNE 32-2 380V/50Hz 36 43.1 7.5 65×65
CRNE 32-2-1 380V/50Hz 36 37.9 5.5 65×65
CRNE 32-4-2 380V/50Hz 36 78.2 11 65×65
CRNE 32-6 380V/50Hz 36 130.9 18.5 65×65
CRNE 32-7 380V/50Hz 36 153.8 22 65×65
CRNE 45-1 380V/50Hz 54 28.1 7.5 80×80
CRNE 45-1-1 380V/50Hz 54 22.1 5.5 80×80
CRNE 45-2-2 380V/50Hz 54 46.4 11 80×80
CRNE 45-3 380V/50Hz 54 86.1 18.5 80×80
CRNE 45-4 380V/50Hz 54 122.2 26 80×80
CRNE 64-1 380V/50Hz 77 30.8 11 100×100
CRNE 64-1-1 380V/50Hz 77 20.8 7.5 100×100
CRNE 64-2-1 380V/50Hz 77 53.8 18.5 100×100
CRNE 95-1-1 380V/50Hz 114 23.6 11 100×100

Size

Video Introduction

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