

Grundfos 97568300, CM3-G Series, Model CM 3-6
Product Overview
When a primary booster pump fails during the peak of the irrigation season, the consequences are immediate and costly. System shutdowns lead to rapid turf stress, scorched landscapes, and the potential for significant crop loss in nursery applications. Between mid-summer heatwaves and tight project deadlines, there is no margin for error. Supply chain volatility and long lead times for specialized centrifugal units can leave your crews waiting for weeks while client satisfaction drops. By securing the Grundfos CM3-G series now, you eliminate the risk of back-orders and ensure that your water delivery systems remain pressurized and operational when demand is at its absolute highest.
The Grundfos CM 3-6 stands apart from standard centrifugal pumps due to its high-grade stainless steel construction and modular design. It offers superior hydraulic efficiency compared to lower-grade alternatives, which reduces monthly energy costs for your clients and minimizes wear on internal components. The compact footprint allows for easy integration into existing pump skids or tight mechanical rooms. This model saves significant labor during the replacement process because of its predictable dimensions and reliable port configurations. Investing in premium Grundfos hardware gives your firm a competitive edge by reducing the frequency of emergency maintenance calls and extending the overall lifecycle of the irrigation system.
Product Specifications
| Specification | Detail |
|---|---|
| Material | AISI 304 Stainless Steel / EN 1.4301 |
| Model Number | CM 3-6 (97568300) |
| Max Operating Pressure | 145 PSI (10 Bar) |
| Flow Rate Capacity | Approximately 13-15 GPM at optimal duty point |
| Impeller Stages | 6-Stage Centrifugal Design |
| Liquid Temperature Range | -4°F to 194°F (-20°C to 90°C) |
| Input Voltage | Typically 208-230/460V (Check specific motor plate) |
| Inlet/Outlet Size | 1 Inch NPT Female |
| Color/Finish | Satin Stainless Steel with Black E-Coated Motor |
Available Models & Sizes
The Grundfos CM series is available in various flow ranges (CM1, CM3, CM5, and CM10) and multiple stage configurations to meet specific head pressure requirements. This CM 3-6 model is optimized for medium flow and high pressure needs; please contact our technical sales team for full configurations or bulk pricing for larger commercial projects.
Key Features
- Corrosion resistant stainless steel wet end ensures longevity in diverse water quality environments.
- Compact, modular design allows for effortless retrofitting into existing systems with limited space.
- Mechanical shaft seal engineered for high reliability and reduced risk of leaks over time.
- Low noise operation makes it suitable for residential areas or indoor mechanical rooms.
- High hydraulic efficiency translates to lower power consumption for the end user.
- The robust motor design is built to withstand frequent start and stop cycles common in irrigation.
Common Applications
- Commercial landscape irrigation
- Sports turf and golf course maintenance
- Municipal parks and public spaces
- Greenhouse and nursery operations
- Potable water supply systems
- Residential lawn and garden systems
Installation Notes
Installation should be performed on a level, solid foundation to prevent vibration and ensure proper alignment of the piping. Use pipe sealant on the NPT threaded connections and ensure the pump is primed before initial startup to prevent damage to the mechanical seal. All electrical wiring must comply with local codes and be performed by a qualified technician. Grundfos recommends installing a check valve on the discharge side and a suction strainer if drawing from an open water source to protect the internal impellers from debris.
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