MAGNA1 25-120 Circulator Pump

The Grundfos MAGNA1 25-120 circulator pump is an efficient and reliable choice designed for heating, air conditioning, and district heating systems in commercial buildings. This wet rotor pump is ideal for replacing older circulators, providing significant energy savings due to its compliance with the EuP 2015 standard. The MAGNA1 25-120 stands out for its intuitive interface and compact design, making installation and maintenance easy, and is the perfect solution for applications with basic control and monitoring needs.

Constructed with durable materials, the MAGNA1 25-120 ensures efficient and quiet operation, suitable for a variety of commercial and industrial applications.

Technical Features:

• Liquid temperature range: -10 to 110 °C, with a typical operating temperature of 60 °C.
• Maximum working pressure: 10 bar, making it suitable for demanding applications.
• Construction materials: The pump body is made of cast iron (EN 1561 EN-GJL-200 / ASTM A48-200B), and the impeller is composite, providing durability and corrosion resistance.
• Connection: G type 1 1/2 inch, with a nominal pressure PN 10, facilitating integration into existing systems.
• Installation length: 180 mm, allowing for easy mounting in confined spaces.

Control Modes:

The MAGNA1 25-120 offers three control modes to adapt to different system needs:

1. Proportional pressure control (PP1, PP2 or PP3): Adjusts pressure based on flow, ideal for systems with variable demand.
2. Constant pressure control (CP1, CP2 or CP3): Maintains stable pressure for consistent performance.
3. Constant curve control (I, II or III): Operates with a constant flow, suitable for specific applications.

Additional Advantages:

• Energy efficiency: Energy Efficiency Index (EEI) of 0.20, ensuring low energy consumption.
• Quiet operation: Ideal for commercial applications where a low-noise environment is required.
• Grundfos Eye: Visual indicator of pump status, facilitating supervision and maintenance.
• Integrated insulation casing: Helps minimise heat loss in heating applications.
• Easy installation and replacement: Its compact design simplifies the replacement of old pumps and installation in new applications.

Recommended Applications:

The Grundfos MAGNA1 25-120 is suitable for a wide range of applications, such as:

• Heating in commercial buildings: Provides efficient control of heating systems, optimising comfort.
• Air conditioning in large areas: Enhances water circulation in HVAC systems.
• District heating: Provides reliable performance to meet heating demands in urban areas.
• Mixing loops and geothermal pumping systems: Suitable for applications requiring flow and pressure control.
• Small chiller applications: Ensures efficient operation in cooling systems.

Electrical Data:

• Maximum input power: 188 W, with a minimum consumption of 8 W.
• Nominal voltage: 1 x 230 V, allowing use in standard installations.
• Current consumption: 0.08 A minimum / 1.51 A maximum.
• Network frequency: 50/60 Hz, adapting to various operating conditions.
• Protection grade: X4D (IEC 34-5), providing protection against water splashes.
• Insulation class: F (IEC 85), ensuring electrical safety.

Certifications and Compliance:

• Complies with international approvals: Includes certifications such as CE, VDE, EAC, and more, ensuring performance in accordance with global standards.
• Environmental approvals: CN ROHS and WEEE, ensuring a sustainable and responsible manufacturing process.

The Grundfos MAGNA1 25-120 is the perfect choice for installations seeking simplicity, efficiency, and reliability in heating and cooling systems, providing an optimal balance between performance, energy savings, and ease of use.