Progressing Cavity Pump for Demanding Industrial Processes

In numerous industrial sectors, conveying of highly viscous, abrasive or solids-laden media is a major engineering challenge. Process reliability, dosing accuracy, and ease of maintenance directly impact plant availability and, in turn, profitability. The progressing cavity pump has proven itself in this environment as a robust, adaptable positive-displacement pump.

We will show you the advantages of a progressing cavity pump, how it works, the areas of application where you can benefit and how to find the right model for your application.

Advantages of the progressing cavity pump

• Low pulsation and continuous delivery
• High dosing accuracy thanks to speed-proportional volume flow
• Suitable for highly viscous, abrasive and solids-laden media
• Gentle pumping of shear-sensitive products
• Flexible adaptation to different process requirements

These properties make the progressing cavity pump a versatile solution for demanding industrial pumping tasks.

Functional principle of the progressing cavity pump

Progressing cavity pumps are a type of rotary positive displacement pump. Their main components are a Rotorrotor,Rotors,rotorsrotor and a stator, which remain motionless. The Rotorrotor,Rotors,rotorsrotor, which is connected on one side by a joint or elastically, is a type of round threaded screw. The axis position oscillates on the outlet side. The hollow stator is elastic and has the same pitch length as the rotor. This leaves delivery chambers between the stator and the rotor, which continuously move from the inlet to the outlet. The size of the conveying chambers and the associated conveying volume depend on the unit’s size. Replacing the rotor and stator makes it easy to adapt the unit to the operating conditions. Since the cavities remain constant in shape, the conveyed medium is not compressed. This allows you to convey not only fluids but also solids.

For further information visit: https://pumps-systems.netzsch.com/en/news/2026/progressing-cavity-pump-for-demanding-industrial-processes

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