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Progressive Cavity Pumps

Progressive Cavity Pumps for industry. The progressive cavity pump is a positive displacement system that is extremely flexible in its usability in a variety of specialized fields with difficult pumping applications such as viscous and highly-abrasive media. The design offers a pulsation-free, self priming operation that allows solids contents up to 50% to be moved without shearing. 

The wobble stator or screw pump series is offered in 9 different flow-sizes with variable flow ranges from a fraction of a gallon up to 250 GPM with pumps available in 1, 2 and 3 stages for a range of discharge pressures of 75, 150, and 225 PSI. 

The Liberty Series is a great choice for a wide variety of pumping applications with solids content based on a design thats proven and reliable after decades of operational service. From drilling mud pumping and transfer to ground water remediation applications to sludge and polymer feed and grouting and heavy abrasives in suspension, the Liberty LL Series pumps them all effortlessly. 

The Liberty Series also represents the best value in aftermarket pc pump parts for your currently existing *Moyno®, *Tarby®, *Continental®, *Roper®, and *Monoflo® brand pumps. Our replacement progressive cavity pump parts are direct drop in dimensionally interchangeable replacement with their OEM counterparts.

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  1. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-15CSQM

    $2,591.67

    Wobble Stator pump or Progressive Cavity with electric motor.

    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with ...

    1/2HP 115/230v Learn More
  2. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-15CSBM

    $2,591.67

    Wobble Stator pump or Progressive cavity with motor.

    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singula...

    1/2HP 115/230v EPDM Learn More
  3. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-15CSFM

    $3,791.11
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  4. PumpBiz

    WOBBLE STATOR PUMP & 1 phase MOTOR

    APM-15SSBM

    $4,320.81
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  5. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-15SSFM

    $5,441.09
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  6. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-22CSQM

    $2,601.82
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  7. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-22CSBM

    $2,601.82
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  8. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-22CSFM

    $3,801.25
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  9. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-22SSQM

    $4,339.07
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
  10. PumpBiz

    WOBBLE STATOR PUMP & 1phase MOTOR

    APM-22SSBM

    $4,339.07
    Liberty Pumps are backed by over fifty years of progressive cavity pump product sales and technical service experience. American Pump Series Progressive Cavity Pumps are designed with a singular helical rotor that eccentrically turns within a dou...
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