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ALPHA1 Circulator Pump

The ALPHA1 is a robust and high-efficiency canned rotor circulator pump from Grundfos offering basic functionality.

Perfect for new installations, the ALPHA1 is also the ideal choice for replacement of old, inefficient circulators in heating applications.

Built to provide maximum reliability throughout its long service life, the affordable ALPHA1 features integrated differential-pressure control and has durable ceramic bearings and shaft, as well as corrosion-resistant stainless-steel components.

1 - 12 of 12 Part Numbers
ALPHA1 15-40
ALPHA1 15-40
  • Nominal Diameter Of Inlet & Outlet Ports - 1"
  • Maximum Head [DM] - 40
  • Port To Port Length - 130 mm
ALPHA1 15-50
ALPHA1 15-50
  • Nominal Diameter Of Inlet & Outlet Ports - 1"
  • Maximum Head [DM] - 50
  • Port To Port Length - 130 mm
ALPHA1 15-60
ALPHA1 15-60
  • Nominal Diameter Of Inlet & Outlet Ports - 1"
  • Maximum Head [DM] - 60
ALPHA1 15-80
ALPHA1 15-80
  • Nominal Diameter Of Inlet & Outlet Ports - 1"
  • Maximum Head [DM] - 80
  • Port To Port Length - 130 mm
ALPHA1 25-40
ALPHA1 25-40
  • Nominal Diameter Of Inlet & Outlet Ports - 1-1/2"
  • Maximum Head [DM] - 40
  • Port To Port Length - 130 mm
ALPHA1 25-50
ALPHA1 25-50
  • Nominal Diameter Of Inlet & Outlet Ports - 1-1/2"
  • Maximum Head [DM] - 50
  • Port To Port Length - 130 mm
ALPHA1 25-60
ALPHA1 25-60
  • Nominal Diameter Of Inlet & Outlet Ports - 1-1/2"
  • Maximum Head [DM] - 60
  • Port To Port Length - 180 mm
ALPHA1 25-80
ALPHA1 25-80
  • Nominal Diameter Of Inlet & Outlet Ports - 1-1/2"
  • Maximum Head [DM] - 80
  • Port To Port Length - 130 mm
ALPHA1 32-40
ALPHA1 32-40
  • Nominal Diameter Of Inlet & Outlet Ports - 2"
  • Maximum Head [DM] - 40
  • Port To Port Length - 180 mm
ALPHA1 32-50
ALPHA1 32-50
  • Nominal Diameter Of Inlet & Outlet Ports - 2"
  • Maximum Head [DM] - 50
ALPHA1 32-60
ALPHA1 32-60
  • Nominal Diameter Of Inlet & Outlet Ports - 2"
  • Maximum Head [DM] - 60
ALPHA1 32-80
ALPHA1 32-80
  • Nominal Diameter Of Inlet & Outlet Ports - 2"
  • Maximum Head [DM] - 80
1 - 12 of 12 Part Numbers

Specifications

Sound Pressure Level

  • The Sound Pressure Level of The Pump is Lower Than 32 dB(A)

Relative Humidity

  • Maximum 95 %, Non-Condensing Environment

System Pressure

  • Maximum 1.0 MPa (10 bar)

Ambient Temperature

  • 0° to 55° C

Liquid Temperature

  • 2° to 95° C

Viscosity

  • Maximum 10 mm²/s

Insulation Class

  • F (EN 60335-1)

Enclosure Class

  • IPX4D
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