Grundfos ALPHA2 User Manual

30
14.2 Curve conditions
The guidelines below apply to the curves on the next pages:
• Test liquid: Airless water.
• The curves apply to a density of ρ = 983.2 kg/m
3
and a liquid
temperature of +60 °C.
• All curves show average values and should not be used as guarantee
curves. If a specific minimum performance is required, individual
measurements must be made.
• The curves for speeds I, II and III are marked.
• The curves apply to a kinematic viscosity of υ = 0.474 mm
2
/s
(0.474 cSt).

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