PCM Pumps

PCM Pumps

PCM was founded in 1932 by René MOINEAU, the inventor of the Progressing Cavity Pump. PCM changes continuously: from precision machine parts and elastomer manufacturer to a worldwide global provider of fluid handling solution

For more than 80 years, PCM has been offering high-quality, cost effective solutions based on low life-cycle costs to our customers in oil & gas, food, and industry. We specialize in solutions for lifting, transferring and dosing of abrasive, fragile, viscous, corrosive, hot and heavy products.


Pulsation-free and offering very low shear operations, our Moineau™ pumps are ideal for tasks that require a steady flow regardless of product viscosity or pressure. They can operate at higher pressure than other positive displacement pumps.


Moineau technology

  • Handles both fragile and viscous productsmoineautechnology3
  • High suction and self priming capacity
  • Constant non-pulsating flow
  • Flow rate proportional to running speed
  • Reversible
  • Easy to maintain

Operation principle

A Moineau pump consists of a helical rotor turning inside a helical stator. The stainless steel rotor is machined to a high degree of precision, and the stator is molded in a resilient elastomer.

The geometry and the dimensions of these parts are such that when the rotor is inserted into the stator, a double chain of watertight cavities (honeycombed-shaped) is created. When the rotor turns inside the stator, the honeycomb progresses spirally along the axis of the pump without changing either shape or volume.

This action transfers the product from the pump intake to the pump discharge without degrading the product.






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