Self-priming pumps with open impeller
Close-coupled centrifugal pumps with open impeller.
The built-in backflow preventer
avoids reverse siphoning when the pump is stopped and assures automatic re-priming at the next start.
The pump re-primes itself even if partially filled with liquid and with completely empty suction pipe.
A: version with pump casing and lantern bracket in cast iron.
B-A: version with pump casing and lantern bracket in bronze.
The pumps are supplied fully painted.
For clean or slightly dirty water, also with solids up to 10 mm grain size for A 40, A 50 and 15 mm for A 65, A 80.
For draining a basin or a sump.
For civil and industrial applications.
Liquid temperature from -10 °C to +90 °C.
Ambient temperature up to 40° C.
Maximum permissible working pressure up to 6 bar (10 bar for A 80-170).
2-pole induction motor, 50 Hz (n ≈ 2900 rpm).
A: three-phase 230/400 V ± 10%, fino a 3 kW.
400/690 V ± 10%, da 4 a 7,5 kW;
AM: single-phase 230 V ± 10%, with thermal protector.
Capacitor inside the terminal box.
Insulation class F.
Classification scheme IE3 for three-phase motors from 0,75 kW.
Constructed in accordance with EN 60034-1; EN 60034-30-1.
EN 60335-1, EN 60335-2-41.
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