Standardized horizontal pump Grundfos CM5-4 A-R-A-E-AVBE C-A-A-N

The Grundfos CM5-4 A-R-A-E-AVBE horizontal normalized pump, reference 96806833, is a centrifugal pump specifically designed for applications that require a high level of reliability, efficiency, and customization. This pump is ideal for use in water treatment, fertigation, chemigation, and drip irrigation or micro-sprinkling, offering optimal performance under various working conditions.

The modular design of the CM pump allows for easy adaptation to the specific needs of each application, as its compact and robust structure facilitates installation in tight spaces. Additionally, its construction with high-quality materials, such as AISI 304 stainless steel in the impellers and cast iron in the body, provides great durability and resistance to corrosion, extending the pump's lifespan even in demanding conditions.

Main features:

The CM5-4 A-R-A-E-AVBE is known for its low noise level and efficient operation, making it ideal for installations where quiet and continuous operation is required. This pump is certified under international standards such as CE, EAC, UKCA and certified for potable water applications according to ACS and NSF61, ensuring its quality and compatibility for applications that require strict safety standards.

Technical data:

• Nominal pump speed: 2900 rpm.
• Nominal flow rate: 4.7 m³/h.
• Nominal head: 30.69 m.
• Number of impellers: 4.
• Seal code: AVBE.
• Certifications: CE, EAC, UKCA.
• Certifications for potable water: ACS, NSF61.

Thanks to its optimized design, the CM5-4 A-R-A-E-AVBE is capable of handling significant flow rates while maintaining an adequate nominal head for applications that require constant pressure. Additionally, the pump is manufactured with a cast iron EN-GJL-200 housing (ASTM A48-25A), which offers excellent mechanical resistance, while the impellers are made of EN 1.4301 stainless steel (AISI 304), providing high corrosion resistance.

Materials and construction:

• Hydraulic body: Cast iron EN-GJL-200.
• Impeller: AISI 304 stainless steel.
• Material code: A.
• Rubber code: E.

Installation and operation:

• Maximum working pressure: 10 bar.
• Maximum pressure at declared temperature: 10 bar at 40 °C / 6 bar at 90 °C.
• Ambient temperature range: from -20 °C to 55 °C.
• Connection type: Rp (thread).
• Size of inlet/outlet connection: 1 1/4 inch inlet and 1 inch outlet.
• Outlet position: 12 (standard horizontal position).

The installation of the pump is straightforward thanks to its compact design and standardized connections, making it easy to integrate into existing irrigation or water treatment systems. Its ability to operate with liquid temperatures ranging from -20 °C to 90 °C makes it ideal for a variety of applications, from groundwater treatment to fertigation and chemigation systems.

Recommended applications:

1. Fertigation and chemigation: The CM5-4 pump is perfect for dosing nutrients and chemicals in agricultural applications.
2. Drip irrigation and micro-sprinkling: Its reliability and constant pressure allow for efficient and controlled irrigation in precision agriculture systems.
3. Water treatment: Its corrosion resistance and robustness make it ideal for water management and treatment in various contexts, including potable water systems.

Electrical data:

• Nominal power (P2): 0.67 kW.
• Network frequency: 50 Hz.
• Nominal voltage: 1 x 220-240 V.
• Nominal current: 4.4-4.0 A.
• Starting current: 390 %.
• Nominal speed: 2720-2800 rpm.
• Protection class: IP55.
• Insulation class: F.

This pump is designed according to IEC standards and has an IP55 protection rating, meaning it is protected against dust ingress and water jets, ensuring safe and reliable operation in harsh environments. Additionally, the integrated thermal protection (PTO) adds an extra layer of safety, protecting the motor from overheating and extending the equipment's lifespan.

Other features:

• Net weight: 13.6 kg.
• Gross weight: 16.1 kg.
• Connection box position: 12 (standard position for easy access).