Grundfos ALPHA2 User Manual

35
15.2 Type key
Example ALPHA2 25 -40 N 180
Pump type
Nominal diameter (DN) of suction and discharge ports [mm]
Maximum head [dm]
–: Cast-iron pump housing
A: Pump housing with air separator
N: Stainless-steel pump housing
Port-to-port length [mm]

Grundfos ALPHA2 Specifications

General

Max Head	8 m
Voltage	230 V
Frequency	50/60 Hz
Type	Circulator Pump
Max. operating pressure	10 bar
Series	ALPHA2
Connection Type	Threaded
Protection Class	IP42
Liquid Temperature Range	2°C to 110°C
Energy Efficiency Index	≤ 0.23
Connection size	G 1 1/2
EEI	≤ 0.23