Self-priming centrifugal pump
25 l/min | APM 150 series Speroni

Selfpriming water pumps for deep suctions up to mt. 45 to be used in case of important water level gaps. Suitable to drain water from wells and in domestic fittings by small and medium sized tanks. efore installing the pump verify that all pipes (iron, plastic or rubber) are clean inside so to avoid any obstruction to the ejector nozzle. At the foot of the ejector must be installed a foot valve or a check valve. Installed the pump, fill completely both pipes and ump body with clean water. To preserve an efficient priming it is necessary a certain pression in the circuit, therefore it is recommended to install a membrane tank at the delivery of the pump.
OPERATING CONDITIONS
- Liquid temperature up to 35°C
- Ambient temperature up to 40°C
- Total suction lift up to 45 mt.
- Continuous duty

MOTOR
- Two-Pole induction motor
(n = 2850 min-1)
- Insulation Class F
- Protection IP 44

MATERIALS
- Pump body Cast Iron
- Motor support Cast Iron
- Impeller Noryl
- Diffuser Noryl
- Ejector Cast Iron
- Shaft with rotor Stainless Steel
- Mechanical seal Ceramic/Graphite