Alpha2 GO Circulator, Length 130 mm
Alpha2 GO Circulator, Length 130 mm

Alpha2 GO Circulator, Length 130 mm

CHF 395.95 - CHF 602.70
/
Tax included

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  • High-efficiency circulator pump for heating and air conditioning systems
  • With Bluetooth-LE interface for communication with the Grundfos GO app via QR code on the circulator pump
  • Guided commissioning possible via the app
  • Automatic de-aeration when air bubbles are detected and dry-running protection
  • Replacement circulator pump also for circulator pumps integrated in boilers
  • Compatible with most UPM3 and UPM4 circulator pumps
  • Control types: constant pressure, proportional pressure, constant volumetric flow, and constant characteristic curve, AUTOADAPT, PWM input
  • Thermal insulation shell included
  • Delivery without screw connection

Technical data:

  • Maximum delivery head: 4.0 m / 6.0 m / 7.5 m / 9.0 m
  • Maximum flow rate: 2710 l/h / 3570 l/h / 4630 l/h / 4990 l/h
  • Supply voltage: 1x 230 V, 50 Hz
  • Protection class: IP 44
  • Fluid temperature range: -10°C to +110°C
  • Fluid temperature range GO K: -20°C to +110°C
  • Operating pressure: max. 10 bar
  • Pump housing material: KTL-coated grey cast iron
  • Installation length: 130 mm

Available variants

Technical details per variant

15-40 — Ref. 90 131 41

  • Power [W]: 3 - 27
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal diameter: DN 15 (1/2")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.16
  • Type: Alpha2 Go 15-40
  • External thread: DN 25 (1")
  • Connection: External thread

15-60 — Ref. 90 131 37

  • Power [W]: 3 - 37
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal diameter: DN 15 (1/2")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.18
  • Type: Alpha2 Go 15-60
  • External thread: DN 25 (1")
  • Connection: External thread

15-75 — Ref. 90 131 33

  • Power [W]: 3 - 75
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal diameter: DN 15 (1/2")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.19
  • Type: Alpha2 Go 15-75
  • External thread: DN 25 (1")
  • Connection: External thread

15-90 — Ref. 90 131 29

  • Power [W]: 3 - 90
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal dimension: DN 15 (1/2")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.20
  • Type: Alpha2 Go 15-90
  • External thread: DN 25 (1")
  • Connection: External thread

25-40 — Ref. 90 131 40

  • Power [W]: 3 - 27
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal diameter: DN 25 (1")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.16
  • Type: Alpha2 Go 25-40
  • External thread: DN 40 (1 1/2")
  • Connection: External thread

25-60 — Ref. 90 131 36

  • Power [W]: 3 - 37
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal diameter: DN 25 (1")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.18
  • Type: Alpha2 Go 25-60
  • External thread: DN 40 (1 1/2")
  • Connection: External thread

25-75 — Ref. 90 131 32

  • Power [W]: 3 - 75
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal diameter: DN 25 (1")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.19
  • Type: Alpha2 Go 25-75
  • External thread: DN 40 (1 1/2")
  • Connection: External thread

25-90 — Ref. 90 131 28

  • Power [W]: 3 - 90
  • Installation length [mm]: 130
  • Protection class (IP): IP44
  • Pressure class: PN 10
  • Nominal diameter: DN 25 (1")
  • Housing material: Grey cast iron
  • Max. fluid temperature (continuous operation) [°C]: 110
  • EEI ≤: ≤ 0.20
  • Type: Alpha2 Go 25-90
  • External thread: DN 40 (1 1/2")
  • Connection: External thread
Data sheets
Alpha2 GO Circulator, Length 130 mm
Alpha2 GO Circulator, Length 130 mm
CHF 395.95 - CHF 602.70
15-40 90 131 41
CHF 475.95 /each
15-60 90 131 37
CHF 525.70 /each
15-75 90 131 33
CHF 466.15 /each
15-90 90 131 29
CHF 602.70 /each
25-40 90 131 40
CHF 395.95 /each
25-60 90 131 36
CHF 439.75 /each
25-75 90 131 32
CHF 466.15 /each
25-90 90 131 28
CHF 602.70 /each
Total:

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