Product Overview
The Grundfos CM5-4 A-R-G-E-AQQE F-A-A-N is a high-efficiency multistage centrifugal pump engineered for reliable liquid transfer and pressure boosting in industrial and commercial hydraulic systems. Featuring a robust stainless steel construction and a close-coupled motor design, this pump utilizes a series of stacked impellers and diffusers to generate high head pressures relative to its compact footprint. The CM series is renowned for its modularity and durability, making it an ideal solution for wash-down systems, water treatment, and process cooling loops where consistent flow and pressure stability are critical.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Multistage Centrifugal Pump |
| Model Designation | CM5-4 A-R-G-E-AQQE F-A-A-N |
| Operating Pressure | Standard Industrial Grade (Up to 16 bar system pressure) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (G 1 1/4″ Rp thread) |
| Number of Stages | 4 |
| Flow Rate (Nominal) | Up to 5 m³/h |
| Material (Wetted Parts) | Stainless Steel (AISI 304/316) |
Engineering Features & Advantages
- Precision Performance: The multistage impeller and diffuser stack delivers high pressure output with minimal pulsation, ensuring stable hydraulic performance across varying flow demands.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, featuring a robust stainless steel pump housing and a heavy-duty motor designed for long service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, allowing for drop-in replacement without system modification.
- Corrosion Resistance: High-grade stainless steel wetted components provide excellent resistance to corrosive fluids and ensure water quality integrity.
- Compact Footprint: Close-coupled design minimizes installation space while maximizing hydraulic efficiency.
Typical Industrial Applications
This pump is ideally suited for heavy industrial scenarios including: Plastic Injection Molding Machines (cooling circuit circulation), Metallurgical Presses (hydraulic fluid transfer and cooling), Construction & Marine Hydraulics (wash-down and ballast systems), and CNC Machine Tools (coolant and cutting fluid delivery). It is also commonly deployed in water treatment plants, boiler feed systems, and industrial washing equipment where reliable high-pressure water movement is essential.
PRODUCT IMAGES

GRUNDFOS CM5-4 A-R-G-E-AQQE F-A-A-N Multistage Centrifugal Pump
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine GRUNDFOS CM5-4 A-R-G-E-AQQE F-A-A-N Vertical Multistage Centrifugal Pump. This Denmark-made high-pressure pump features a robust impeller design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.