Grundfos ALPHA1 25-40 N 130 Circulating Pump

The Grundfos ALPHA1 25-40 N 130 circulator pump is an efficient and reliable solution for the recirculation of domestic hot water in both domestic and commercial applications. Designed with a focus on energy efficiency, this circulator pump features a stainless steel casing, ensuring high corrosion resistance and a long service life, especially in domestic hot water systems. Additionally, it integrates differential pressure control, allowing it to automatically adjust to the system's pressure needs, optimising energy consumption.

With a nominal flow rate of 1.5 m³/h and a nominal head of 2.01 metres, this pump is designed to provide a consistent and efficient flow in hot water recirculation applications. Furthermore, its maximum head of 4 metres ensures adequate performance in heating and sanitary water systems, guaranteeing uniform distribution of hot water.

Technical Specifications:

• Nominal flow rate: 1.5 m³/h, ensuring efficient hot water supply in domestic and commercial systems.
• Nominal head: 2.01 m, providing the necessary pressure for efficient water recirculation.
• Maximum head: 40 dm (4 m), for optimal performance in hot water recirculation systems.

Materials:

The ALPHA1 25-40 N 130 pump is manufactured with high-quality materials, ensuring its durability in domestic hot water applications. The pump's hydraulic body is made of stainless steel, providing excellent corrosion resistance and ensuring reliable long-term performance. The impeller is made of composite (PES 30% GF + PESU-GF20%), ensuring lightness and efficiency during operation.

• Hydraulic body: Stainless steel, providing high corrosion resistance in contact with hot water.
• Impeller: Composite PES 30% GF + PESU-GF20%, designed for durable and efficient operation.

Installation:

The pump is designed to operate in an ambient temperature range of 0 to 40 °C, making it suitable for various climatic conditions. With a maximum working pressure of 10 bar, it is suitable for high-pressure systems. Its connection size is 1 1/2 inches, facilitating integration into domestic and commercial hot water systems.

• Maximum working pressure: 10 bar.
• Connection size: 1 1/2 inches.
• Port-to-port length: 130 mm, providing compact and simple installation.

Pumped Liquid:

The Grundfos ALPHA1 25-40 N 130 pump is designed to pump water with a temperature range between 2 °C and 110 °C, making it a versatile option for domestic hot water applications. The typical operating temperature is 60 °C, ensuring optimal performance in most applications.

• Liquid temperature range: 2 °C to 110 °C.
• Liquid temperature during operation: 60 °C.
• Density of pumped liquid: 983.2 kg/m³.

Electrical Data:

This circulator pump has a minimum input power of 3 W and a maximum input power of 18 W, ensuring low energy consumption without compromising performance. It operates with a nominal voltage of 1 x 230 V and a network frequency of 50/60 Hz, making it compatible with most electrical systems. Its energy efficiency is high, with an efficiency index (EEI) of 0.20.

• Minimum input power (P1): 3 W.
• Maximum input power (P1): 18 W.
• Network frequency: 50 / 60 Hz.
• Nominal voltage: 1 x 230 V.
• Maximum current consumption: 0.04 - 0.18 A.
• Protection grade: IP X4D, ensuring protection against dust and water ingress.
• Insulation class: Class F, suitable for moderate temperature applications.

Other Details:

The Grundfos ALPHA1 25-40 N 130 pump is lightweight, with a net weight of 2.04 kg, making installation and handling easy. Its transport volume is 0.004 m³, making it a compact and easy-to-handle option during shipping and storage.

• Net weight: 2.04 kg.
• Gross weight: 2.2 kg.
• Transport volume: 0.004 m³.

Environmental Compliance:

The pump complies with current environmental regulations, such as WEEE, ensuring that its design is environmentally friendly and its recycling is appropriate.