Progressive Cavity Pumps

HELICAL ROTOR PUMP — EXCELLENT IN MOVING VISCOUS, FIBROUS, UP TO 70% SOLID MEDIA
Progressive cavity pumps are another type of positive displacement pump.

POSITIVE DISPLACEMENT

Progressive cavity pumps are another type of positive displacement pump. They are most popular in heavy-duty industries because of their excellent handling of highly viscous fluids like grease, crude, heavy fuel, lubricating oils, and bunker fuel. In addition, this pump type comes in many models to suit different applications such as dosing, drum emptying, metering, and hygienic applications.

Progressive cavity pumps utilize the power of a rotor and stator assembly to create temporary chambers where fluid is drawn into. The rotor is a helical-shaped worm component that rotates within the stator. The stator is made from a flexible material and has one more ‘worm thread’ than the rotor. This design allows for both the rotation of the stator and the provision of a shifting space which forms the progressing cavity necessary for the fluid.

OPERATING PRINCIPLE OF PROGRESSIVE CAVITY PUMPS

Helical Rotor and Stator Assembly

Pumping performance is achieved through positive displacement. A screw-shaped rotor is placed within a stationary stator, to form a number of cavities containing fluid. These cavities are progressed forward through the pump by the rotating action of the rotor, creating a continuous flow.

As such, the pumps are constructed from a large number of consumable parts-a rotor, a stator, a coupling, a drive shaft, a mechanical seal.

Limitations are the large footprint of the design and the significant downtime required for maintenance due to a large number of moving parts over other pump types.

PROGRESSIVE CAVITY PUMPS FEATURES AND BENEFITS

High dosing precision
High suction capacity
Capability for reverse rotation and flow
Longer MBTF
Gentle and continuous smooth flow
Low operational cost
Idea for viscous fluids and high flow rate
Move fluids with high content of solids (up to 70%)

INDUSTRIAL PROGRESSIVE CAVITY PUMP BRANDS WE SELL, STOCK & SERVICE

Wangen is a German manufacturer of high-quality positive displacement pumps.Mono pump Australia logoNetzsch Pump LogoRoto Pumps Logo
All-Pumps has an extensive range of Centrifugal Pumps from the world’s most trusted manufacturers. Spare parts are also available for emergency cases. We also have trained and experienced staff who can be dispatched to the field for quick and effective Centrifugal pump servicing.
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