SURFACE PUMPS - NORMALIZED CLOSE COUPLED CENTRIFUGAL ELECTRIC PUMPS 

The close-coupled electric pumps of the series “CN” are manufactured according to DIN 24255 (UNI EN 733) standards. They 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 
Flow rates up to 180 m3/h.
Heads up to 90 m. 

TECHNICAL FEATURES 
Pump body: cast iron G20 with anti-corrosive coating
Motor bracket: cast iron G20 with anti-corrosive coating
Orifices in/outlet: DIN 2532 standards
Impeller: cast iron G20 with anti-corrosive coating
Threaded counter flanges: galvanized steel complete with EPDM gaskets
Pump shaft: stainless steel Aisi 304
Mechanical seal: carbon-ceramics 

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-service:S1-Degree of protection :IP 44
Terminal board protection: IP 54 

PUMP MODEL
CN40-160A 175052000
38.5m max head
700 Lpm max flow
Non self-priming
415 Volt 5.5 Hp electric motor
Cast iron body, nitrile seals
65mm pump inlet (DIN2532)
40mm female pump outlet (DIN2532)
Carbon ceramic mechanical seal
Cast iron impeller
For clear water up to 90°C