Immersion variant of high-pressure pump

Saturday, 31 March, 2012 | Supplied by: KSB Australia Pty Ltd

The immersion pump type called Movitec VCl is a vertical, multistage centrifugal pump which is used for handling coolants, condensate and lubricants for machine tools. Potential fields of application include industrial recirculation systems, cooling water circuits, washing plants and pressure boosting in general process applications.

In order to efficiently cover the largest possible range of flow rates and heads, the Movitec VCI will be available in five sizes and with different numbers of stages. The maximum flow rate is 27 m2/h and the maximum discharge head is 250 m. The permissible fluid temperature ranges between -20 and +120˚C.

The pump sets are intended for installation on tanks, with the pump’s hydraulic section being immersed in the fluid pumped, while the motor is dry-installed. The maximum immersion depth is 732 mm. The design combines the benefits of submersible pumps with those of dry-installed pump/motor sets. It constitutes a particularly compact solution. As the largest part of the pumps is inside the tank, fewer pipes and valves are needed. This reduces costs and helps optimise suction conditions.

The pump can be fitted with blind stages to ensure that the pump’s inlet section is close to the bottom of the tank and that the fluids pumped are recirculated well. Hydraulically optimised stainless steel stage casings and impellers make for efficiency. This, in turn, keeps down energy consumption and operating costs. Furthermore, there is very little heat dissipation into the fluid pumped.

Because of its compact, easy-to-replace, cartridge-type mechanical seal and the automatic return of small amounts of leakage into the tank, the Movitec VCI is easy to maintain and has a long service life.

As a standard, the pump sets are equipped with a standardised IE2 motor. On request, they can be supplied with an IE3 motor. It is also possible to operate the pump sets using a frequency inverter. This increases system efficiency and allows the flow rate to be matched to actual demand.

Phone: 03 9314 0611
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