CIRCULATING ELECTRIC PUMPS WITH WET ROTOR
The three speeds circulating electric pumps with wet rotor 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