- GRUNDFOS ALPHA1 25-60 180 circulator pump for heating systems: radiator heating, underfloor heating, one-pipe and two-pipe systems.
- Application: systems with constant or variable flow; suitable for both new and existing installations.
- Design: synchronous permanent-magnet motor with integrated differential-pressure control that continuously adapts pump performance to the actual system demand.
- Control: one push-button and a display showing the actual power consumption in watts.
- Operating modes: 3 proportional-pressure curves (PP1, PP2, PP3), 3 constant-pressure curves (CP1, CP2, CP3) and 3 constant curves/speeds (I, II, III). Factory setting: PP2.
- High starting torque; built-in overload protection.
- Supplied with two insulating shells.
- Liquid temperature: 2 ÷ 110 °C (TF110)
- Maximum head: 6 m
- Power consumption P1: 3 – 34 W
- Current consumption: 0.04 – 0.32 A
- Energy efficiency index: EEI ≤ 0.20
- Enclosure class: IPX4D
- Insulation class: F
- Sound pressure level: ≤ 43 dB(A)
- Pump housing: cast iron EN-GJL-150
- Impeller: composite PES
- Shaft and radial bearings: ceramic
- Pump connection size: G 1 1/2"
- Installation length: 180 mm
- Union connection size: 1" (not included in the delivery; can be ordered separately)
- Maximum system pressure: 1.0 MPa (10 bar), PN 10
- Power supply: 1 x 230 V ± 10 %, 50/60 Hz
- Net weight: 2.0 kg
- Manufacturer: GRUNDFOS - Denmark
- Warranty 24 months
-
Manufacturer:Grundfos
-
Temperature range of the liquid:2 ÷ 110 °C
-
Work flow:0,6 ÷ 3,0 m³/h
-
operating head:1,6 ÷ 6,0 m
-
Maximum head:6,1 m
-
Maximum Power Consumption:5 ÷ 45 W
-
Class of protection against external influences (IEC 34-5):IP 42
-
Protection:e - No additional protections
-
Pump housing:Cast iron EN-JL 1020
-
Impeller:Composite PP
-
Connection to pump:G 1 1/2 ''
-
Mounting:180 mm
-
Connection of junctions:1" not included in delivery and can be ordered extra
-
Maximum system pressure:1,0 MPa (10 bar)
-
Power and frequency:1 × 230 V, 50 Hz
-
Number of gears:3 automatic transmission plus 3 fixed speeds
-
Net:2,1 kg
-
Country of Origin:Denmark




