CO
CENTRIFUGAL PUMPS WITH OPEN IMPELLER

CONSTRUCTION
FEATURES
• Close-coupled, single-impeller
centrifugal pump with axial suction
and radial delivery.
• Threaded suction and delivery ports
(Rp ISO 7).
• Compact construction; adaptor for
motor/pump coupling; the impeller
is keyed directly to the motor shaft
extension.
• Back pull-out design; no need to
disconnect the pump body from the
system pipes.
SPECIFICATIONS PUMP
• Delivery up to 900 l/min (54 m3 /h).
• Head up to 24 m.
• Temperature of pumped liquid:
-10°C to +110°C for standard version.
• Maximum working pressure : 8 bar (PN 8).
• Suspended solids handled up to:
GCO350: 11 mm. GCO500: 20 mm.
MOTOR
• Asynchronous, squirrel cage rotor, enclosed construction in aluminium casing, external ventilation.
• Protection: IP55.
• Class 155 (F) insulation.
• Performances according to EN 60034-1.
• Maximum ambient temperature: 40°C.
• Standard voltage:
- Single-phase version: 220-240 V 50 Hz,
2 poles with built-in automatic reset overload protection up to 1,5 kW.
For higher powers the protection must be provided by the user. - Three-phase Three-phase version: 220-240/380-415 V 50 Hz, 2 poles; overload protection to be provided by the user.
• Condensate drain plugs on all motors.
