

Grundfos 97568301, CM3-G Series, Model CM 3-7
Product Overview
System downtime during the height of the growing season is more than an inconvenience; it is a threat to your reputation and your client's bottom line. When a primary booster pump fails in a commercial or sports turf setting, the resulting pressure loss can lead to rapid turf degradation and missed irrigation windows. With global supply chains remaining unpredictable and lead times for high-spec motors often extending into weeks, waiting for a failure to occur is a high-risk strategy. Securing this Grundfos CM series pump now ensures your projects stay on schedule and your service contracts remain uninterrupted during the peak summer heat.
The Grundfos CM3-G series offers a significant technical advantage over standard residential-grade pumps through its modular design and stainless steel construction. This horizontal multistage pump is engineered for continuous duty, meaning fewer service calls for overheating or seal failure compared to lower-grade alternatives. By installing a pump built for long-term reliability, your crew saves hours on future maintenance and emergency troubleshooting. Staying stocked with premium Grundfos hardware gives your firm a competitive edge, allowing you to provide immediate solutions when your competitors are still waiting on back-ordered parts.
Product Specifications
| Specification | Detail |
|---|---|
| Material | High-grade Stainless Steel (AISI 304/EN 1.4301) |
| Model Type | Horizontal Multistage Centrifugal |
| Flow Rate | Nominal 3 m³/h (13.2 GPM) |
| Number of Stages | 7 Impeller Stages |
| Maximum Pressure | Operating pressures up to 145 PSI (10 bar) |
| Shaft Seal | AQQE (Silicon Carbide/Silicon Carbide/EPDM) |
| Inlet/Outlet Size | 1 inch NPT Threaded |
| Voltage/Phase | Model dependent (Typically 208-230/460V) |
| Certifications | CE, EAC, WRAS, ACS, NSF61 |
| Color/Finish | Natural Metallic with Black Motor Housing |
Available Models & Sizes
The CM series is available in several configurations including CM1, CM3, and CM5 variations with different stage counts to meet specific head and flow requirements. Please contact our technical sales team for full configurations, updated pricing on specific motor phases, or to confirm stock for large-scale multi-pump skid builds.
Key Features
- Compact modular design simplifies integration into tight mechanical rooms or existing irrigation enclosures.
- AISI 304 stainless steel fluid end provides superior corrosion resistance against treated water and fertilizers.
- Advanced mechanical shaft seals reduce the risk of leaks and extend the mean time between maintenance intervals.
- Low-noise operation makes this unit ideal for residential booster applications and noise-sensitive commercial zones.
- High-efficiency motor design lowers the total cost of ownership for your clients through reduced energy consumption.
- Optimized hydraulics ensure stable pressure delivery across the entire performance curve for consistent nozzle throw.
Common Applications
- Commercial landscape irrigation for retail and office complexes.
- Sports turf and golf course maintenance for precision watering.
- Municipal parks and public spaces requiring high-pressure boosting.
- Greenhouse and nursery operations where consistent flow is critical.
- Agricultural and crop irrigation for small-scale specialty plots.
- Potable water supply systems for residential and light commercial use.
Installation Notes
Proper installation requires a solid, level foundation to prevent vibration and ensure long-term seal integrity. Installers should use appropriately sized suction and discharge piping to minimize friction loss and prevent cavitation. All electrical connections must comply with local codes and include proper motor protection and grounding. It is recommended to install isolation valves and a pressure gauge on both sides of the pump to simplify future maintenance and performance monitoring.
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