Submersible Pump CM 3-4 A-R-A-E-AVBE C1-A-A-N

The Grundfos CM 3-4 A-R-A-E-AVBE C1-A-A-N submersible pump is a standardised horizontal pump, specifically designed for applications related to water treatment, fertigation, chemigation, and drip irrigation. Its modular design makes it a highly customisable option to suit different operational needs, while its compact and robust construction ensures reliable and quiet operation. This pump is ideal for use in digital groundwater management and in irrigation applications that require high performance and precision in water handling.

The Grundfos CM 3-4 A-R-A-E-AVBE features stainless steel impellers, providing excellent corrosion resistance and durability in demanding environments. With a nominal flow rate capacity of 3.1 m³/h and a nominal head of 27.68 metres, it is ideal for drip irrigation systems, micro-sprinkling, and other irrigation methods that require a precise and constant water supply.

Technical Specifications:

• Pump Speed: 2900 rpm, ensuring efficient operation and consistent water handling.
• Nominal Flow Rate: 3.1 m³/h, ideal for small to medium-scale irrigation and water treatment systems.
• Nominal Head: 27.68 metres, providing excellent performance in applications requiring significant water elevation.
• Number of Impellers: 4, optimising the pump's hydraulic performance.

Materials:

• Hydraulic Body: Made from cast iron (EN-GJL-200 / ASTM A48-25A), offering excellent strength and durability.
• Impellers: Stainless steel EN 1.4301 (AISI 304), ensuring long life and high corrosion resistance in humid and aggressive environments.

Installation and Compatibility:

• Ambient Temperature Range: The pump can operate in temperatures from -20 to 55 °C, adapting to different climatic conditions.
• Maximum Working Pressure: 10 bar, capable of withstanding up to 6 bar at 90 °C, making it suitable for applications requiring higher pressures.
• Connections: The inlet and outlet connection size is 1 inch, facilitating integration into different piping systems.

Liquid:

• Pumped Liquid: Water.
• Liquid Temperature Range: From -20 °C to 90 °C, making it a versatile option for a wide range of applications involving both cold and hot water.
• Optimal Liquid Temperature: 20 °C, ideal for irrigation and water management applications.

Electrical Data:

• Nominal Power (P2): 0.5 kW, offering an excellent power-to-energy consumption ratio.
• Network Frequency: 50 Hz, with a nominal voltage of 1 x 220-230 V.
• Efficiency Class: IE2, indicating a high level of energy efficiency.
• Protection Grade: IP55, ensuring high protection against dust and water, ideal for outdoor and exposed environments.

Certifications and Approvals:

The pump holds several approvals such as CE, EAC, and UKCA, ensuring compliance with international safety and quality standards. Additionally, it is certified for use with potable water with approvals like ACS and NSF61, ensuring it is safe for applications involving potable water handling.

Other Features:

• Net Weight: 12.3 kg, facilitating handling and installation.
• Outlet Position: 12, facilitating pipe configuration.
• Insulation Class: F, providing greater electrical safety and protection against overheating.

Recommended Applications:

The Grundfos CM 3-4 A-R-A-E-AVBE is an excellent choice for the agricultural and industrial sectors, where efficient water management is crucial. Its applications include water treatment, fertigation, chemigation, drip irrigation, and micro-sprinkling, as well as groundwater management. Its low noise level, compact and modular design, along with its ability to withstand a wide range of temperatures and pressures, make it a versatile and reliable solution.