Grundfos ALPHA2 25-40 N 130 230V Circulating pump 99411272
GRU 99411272
5713828677242
The Grundfos ALPHA2 25-40 N 130 Circulating pump is a high-efficiency unit designed to optimize heating and air conditioning systems while maintaining excellent comfort with low energy consumption. Thanks to AUTOADAPT technology, the pump automatically adapts to the needs of the system, providing maximum energy efficiency and easy installation management:
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Nominal flow rate: 1.5 m³/hour
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Head: 2.01 meters
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Maximum head: 40 milliliters
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Impeller: PES 30% GF + PESU-GF20% composite
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Ambient temperature limit: 0°C to 40°C
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Max operating pressure: 10 bar
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Connection type: G, with 1 1/2 inch connection
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Connection pressure rating: PN 10
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Center distance: 130 mm
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Minimum power consumption (P1): 3 W
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Power input P1: 18 W
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Mains frequency: 50/60 Hz
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Rated voltage: 1 x 230 V
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Maximum current consumption: 0.04 to 0.18 A
€773.46
Out of stock
Performance and Functionality of the ALPHA2 25-40 N 130 Circulating pump
The Grundfos ALPHA2 is designed to ensure consistent performance and optimal operation in closed-loop heating systems in both domestic and commercial environments. The unit is equipped with a compound impeller that provides resistance to abrasive materials and a long service life. With very low energy consumption, the ALPHA2 model is distinguished by its ability to adapt to different flow conditions, constantly optimizing performance to avoid energy waste.
The AUTOADAPT system automatically adjusts the speed of the circulator according to changes in system load, always ensuring optimal comfort while keeping energy bills low. In addition, installation and commissioning are very simple, making it an excellent choice for residential systems and commercial applications as well.
Applications of the ALPHA2 Circulating pump
This model is perfect for use in floor heating systems, radiators, cooling systems, and closed-loop heating systems. Its high efficiency and ability to automatically adapt to the needs of the system make it ideal for residential applications as well as medium and large systems such as those found in offices, commercial buildings, and other facilities.
Technical Characteristics
Techniques
| Feature | Detail |
|---|---|
| Nominal flow rate | 1.5 m³/hour |
| Headroom | 2.01 meters |
| Maximum head | 40 milliliters |
| TF class | 110 |
| Approvals | VDE, CE, EAC |
| Model | E |
Material
| Feature | Detail |
|---|---|
| Pump body | Stainless steel EN1.4308 ASTM A351-CF8 |
| Impeller | PES 30% GF + PESU-GF20% composite |
Liquid
| Feature | Detail |
|---|---|
| Pumped liquid | Water |
| Liquid temperature range | Temperature range: 0 to 110 °C |
| Liquid temperature during operation | 60 °C |
| Density | 983.2 kg/m³ |
Electrical Data
| Feature | Detail |
|---|---|
| Minimum power consumption - P1 | 3 W |
| Input power P1 | 18 W |
| Mains frequency | 50/60 Hz |
| Rated voltage | 1 x 230 V |
| Maximum current consumption | 0,04 .. 0,18 A |
| Protection class (IEC 34-5) | X4D |
| Insulation class (IEC 85) | F |
| Integrated motor protection | none |
| Thermal protection | electrical |
Controls
| Feature | Detail |
|---|---|
| Automatic night | Operation in reduced night consumption included |
Other
| Feature | Detail |
|---|---|
| Energy (EEI) | 0,15 |
| Terminal block position | 6H |
| Net weight | 2.04 kg |
| Gross weight | 2.2 kg |
Installation
| Feature | Detail |
|---|---|
| Ambient temperature limit | Temperature: 0 to 40 °C |
| Max operating pressure | 10 bars |
| Connection type | G |
| Connection size | 1 1/2 in. |
| Connection pressure rating | PN 10 |
| Center distance | 130 millimeters |
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Data sheet
- Type: Circulating pumps
- Version: Single
- Model: Wet rotor
- Connections: 1-1/2 inches
- Axle base: 130mm
