CIRCULATING ELECTRIC PUMPS WITH WET ROTOR
The three speeds circulating electric pumps with of the series CKR have been designed to pump warm liquids without suspended abrasives, non-explosive or aggressive for the pumps’ material (glycol max. 30%)
Liquid temperature not higher than 110 °C and not lower than 5 °C, while the ambient temperature must not be higher than 35 °C.
TECHNICAL FEATURES
- Pump body: Cast iron G20 with anti-corrosive coating
- Rotor sleeve and motor flange: Stainless steel AISI 303
- Bearings: Graphite
- Impeller: Techno-polymer
- Pump shaft: Stainless steel AISI 420
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: H; 200 for 32-60-180, 32-100-180 and 36-80-200
- Service: S1
- Grade of protection: IP 44