Vincenzi & Gibertini S.r.l

Model CM Series - Multistage Centrifugal Pumps


These pumps can be used for a wide range of tasks both in agricultural and industrial fields. They can be used for irrigation systems, water supply systems and, in industry, to pump liquids under pressure. They are particulary suitable for coupling with slow Diesel engines and 2 and 4 pole electric motors.

The hydraulic part is centrifugal, with horizontal axis and 2, 3 or 4 impellers in series. The in –lets are flanged in accordance with UNI PN10 standards, the in-take is placed axially while the pressurizing one is radial and can be turned. The closed radial impellers are dynamically and hydraulically balanced. The packing seal has an adjustable flange and the shaft at the seal is protected by a hard chromium facing. The rotating and hydraulic section rest on a sufficiently large support unit. For three or four impellers pumps, a rest foot is attached to the end of the hydraulic section for extra support. The pump shaft is supported by two large ball bearings set far apart to guarantee correct distribution of axial and radial thrust. The shaft, at the hydraulic section, is supported by a self-lubrification bushing in the aspiration body to prevent uneven rotation of the revolving group. The bearings are oil lubricated and there is a dip-stick to check the oil level.

Pumped liquids : Liquids which are not chemically aggressive to the pump constructional materials. Maximum solid matter in suspension content: 40 g/m³ at lime hardness and granulometry. Maximum temperature of the pumped liquid: 80°C. Maximum ambiental temperature: 50°C. Maximum operating pressure: 1,2 times the maximum operational pressure.

The characteristics given in the catalogue have been obtained using water at 15 °C.; at an atmospheric pressure of 1 bar and are guaranteed in accordance with ISO norms.

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