SURFACE PUMPS - CLOSE COUPLED PERIPHERAL PUMPS
The close-coupled pumps with peripheral impeller series BASIC & ONDINA have been designed to pump clean liquids, without abrasives and suspended solids, non-explosive or aggressive for the pump’s materials. Liquid temperature not higher than 35 °C for domestic use (CEI EN 60335-2-41) or 90 °C for other use, while the ambient temperature must not be higher than 40 °C. Non self-priming.
Flow rate upto~3m3/h. 
Heads up to~55m.

TECHNICAL FEATURES
Pump body: cast iron G20 with anti-corrosive coating.
Motor bracket: cast iron G20 with anti-corrosive coating.
Impeller: stamped brass UNI- EN 12165.
Pump shaft: stainless steel Aisi 420F.
Mechanical seal: carbon-ceramics.
”ABS” Anti-blocking system in Aisi 304 stainless steel (only ONDINA 50) international Patent N°IT1315401.

MOTOR
The control motors are asynchronous, squirrel cage-type, closed, with external ventilation.
Incorporated motor protection and capacitor always on, for single-phase models.
The motor protection for three-phase models must be installed by the customer. Equipment compliant with current standards should be used.
Class of insulation: F (Class B per Basic 50)-service: S1-Degree of protection: IP 44.
Terminal board protection: IP 54.

PUMP MODEL
Ondina 50M 100052000
37m max head
35 Lpm max flow
Non self-priming
400 Volt 0.5 Hp electric motor
Cast iron body, nitrile seals
Patented ABS Anti-Blocking System
1" female pump inlet
1" female pump outlet
Carbon ceramic mechanical seal
Stamped brass impeller
For clear water up to 90°C