Grundfos ALPHA2 32-80 180 Circulator Pump

The Grundfos ALPHA2 32-80 180 circulator pump is an advanced and efficient solution for heating and air conditioning systems in commercial, domestic, and industrial applications. Equipped with AUTOADAPT technology, this model automatically adjusts its operation according to system demands, optimising both thermal comfort and energy consumption. This makes the ALPHA2 ideal for a wide variety of heating systems, whether in commercial or residential buildings, ensuring even temperature distribution and easy commissioning.

Intelligent operation with AUTOADAPT

AUTOADAPT technology is one of the main benefits of the ALPHA2 pump. This system allows the pump to automatically adjust to the needs of the system, significantly reducing energy consumption. AUTOADAPT constantly monitors the system's operation and adjusts the pump to ensure it is always working efficiently, minimising energy use without compromising performance. This feature not only reduces operating costs but also improves overall comfort by maintaining a constant temperature throughout the heating system.

Optimised technical performance

With a nominal flow rate of 2.14 m³/h and a nominal head of 4.36 metres, the ALPHA2 32-80 180 is an ideal choice for handling heating systems that require a constant and reliable flow of hot water. Its maximum head of 8 metres ensures the pump can handle most heating applications in commercial, industrial, and domestic buildings. The pump is designed to withstand a maximum working pressure of 10 bar, making it a robust and reliable option for large-scale installations.

Key technical specifications:

• Nominal flow rate: 2.14 m³/h
• Nominal head: 4.36 m
• Maximum head: 8 m (80 dm)
• Maximum working pressure: 10 bar

High-quality and durable materials

The Grundfos ALPHA2 32-80 180 pump is made with high-quality materials to ensure durability and performance under demanding conditions. The hydraulic body is made of cast iron (EN 1561 EN-GJL-150 / ASTM A48M-150B), providing excellent corrosion resistance. The impeller is made of reinforced composite (PES 30% GF + PESU-GF20%), ensuring efficient operation and reduced wear, even with prolonged use. These materials ensure the pump can operate reliably in demanding heating systems.

Material specifications:

• Hydraulic body: Cast iron (EN 1561 EN-GJL-150)
• Impeller: Composite (PES 30% GF + PESU-GF20%)
• Port-to-port length: 180 mm

Flexible and easy installation

The ALPHA2 32-80 180 is designed to be easy to install, with standard 2-inch connections that allow for integration into commercial and domestic heating systems. Its compact size and efficient design facilitate installation in tight spaces without compromising performance. The pump is also equipped with an automatic night mode, meaning it adjusts its operation when a reduction in demand is detected, further contributing to energy savings.

Installation data:

• Connection size: 2 inches
• Nominal connection pressure: PN 10
• Liquid temperature range: 2 to 110 °C
• Liquid temperature during operation: 60 °C

Outstanding energy efficiency

With an energy efficiency index (EEI) of just 0.18, the Grundfos ALPHA2 32-80 180 is one of the most efficient pumps on the market. Its minimum input power is 3 W and the maximum power is 50 W, ensuring low energy consumption at all times, even when the pump is in full operation. This efficiency is reinforced by its ability to automatically adjust its consumption based on system demand, reducing operating costs without compromising performance.

Electrical specifications:

• Minimum input power (P1): 3 W
• Maximum input power (P1): 50 W
• Nominal voltage: 230 V
• Mains frequency: 50/60 Hz
• Maximum current consumption: 0.04 - 0.44 A
• Protection grade: X4D
• Insulation class: F

Certifications and approvals

The ALPHA2 32-80 180 pump is certified to guarantee its quality and safety in global applications. Its approvals include VDE, CE, EAC, and SEPRO, ensuring it meets the highest safety and performance standards in heating and air conditioning systems. These certifications confirm that the pump is suitable for a wide range of applications in commercial, industrial, and domestic environments.

Additional specifications:

• Net weight: 2.18 kg
• Gross weight: 2.33 kg
• Transport volume: 0.004 m³