Circulation pumps GRUNDFOS® Alpha 2 25-80 ,DN25(1"), PN10, 230V, overall length 180mm

Order no.: 90 028 26

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Description

• Pump housing material: Grey cast iron, KTL-coated
• Installation length: 180 mm
• Screw connections not included

For use in heating, air conditioning and industrial systems

• AUTOADAPT control
• Proportional pressure control
• Constant pressure control
• Automatic night-time reduction
• Mode for hydraulic comparison (only possible as an accessory in conjunction with ALPHA Reader)
• With heat insulation jacket
• Screw connection not included

Technical data:
• Ambient temperature: 0 °C - 40 °C
• Medium temperature range: 2 °C - 110 °C
• Max. operating pressure: 10 bar
• Operating voltage: 230V/50-60Hz
• Protection type: X4D
• Pump housing material: Grey cast iron, KTL-coated

• Installation length: 180 mm

See catalogue

Building services:	Page 449

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Technical data
Article is component of
Documents

Manufacturer item no.:	99261732
Male thread:	DN 40 (1 1/2")
Type:	25-80
Nominal size:	DN 25 (1")
Power [W]:	3...50
Brand:	GRUNDFOS®
EAN:	5713826181291
EEI ≤:	0.18
Housing material:	Cast iron
Connection size:	DN 25
Connection:	External thread
Pressure level:	PN 10
Supply voltage::	1 x 230 V
Power consumption [W]:	3 - 50
Frequency:	50/60 Hz
Max. Discharge head [m]:	8
Protection type (IP):	IPX4D
Max. medium temperature (continuous operation) [°C]:	110
Min. medium temperature (continuous operation) [°C]:	2
Installation length [mm]:	180
Connection dimension pump housing:	1 1/2 inch
Energy Efficiency Index (EEI):	0.18