Liberty Series Progressive Cavity Pumps and Pump Parts

Liberty Series

The Liberty Series of Progressive Cavity Pumps and Aftermarket Pump Parts is our premium pump series. These pumps are designed to be direct replacements for the popular L-Frame Series of Progressive Cavity Pumps.

All Liberty Progressive Cavity Pumps are available for immediate shipment from our facility near Chicago, IL. We can often ship the same day you place your order.

The 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 solid contents based on a design that is proven and reliable after decades of operational service. These applications vary from drilling, mud pumping and transfer, ground water remediation applications, sludge and ploymer feed, grouting, and heavy abraisives 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.

The Liberty Series pumps have standard ANSI flange suction connections and NPT threaded discharge connections. Optional ANSI flanges are also available on the discharge connection.

We also offer this pump with many different drive package options, shaft seal options and all the accessories needed for your pumping applications. Please contact one of our application engineers today for a complete technical offer.

Contact a Liberty Process representative today for more information about the LL frame.

Liberty Series - Features

Liberty Series Progressive Cavity Pump Cutout
  • Modular Design
  • Maintenance Free
  • Easy Assembly/Disassembly
  • Simple Pin Joint Design
  • NPT Discharge Connections
  • Low Shear
  • Non-Pulsating

Liberty Series AP & APM - Technical Data

Flow Rate 0.9 - 391 GPM
Pressure 150 - 225 PSI
Seal Options Packing & Mech. Seal
Base Options Steel and Stainless Steel
Rotors Tool or Stainless Steel -Chrome Plated
Stators Buna / Viton® / EPDM / Rubber

Liberty Series - Pump Model Overview

Liberty Process Liberty LL2 Series Progressive Cavity Pump

Liberty - LL2 Polymer Feed PC Pump

The LL2 Progressive Cavity Pump is rated for .260 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range .4 - 3 GPM
Pressure 0 - 180 PSI

Industry Uses

  • Polymer Transfer
  • Chemical Feed
  • Sampling / Dosing Applications
Liberty Process Liberty LL3 Series Progressive Cavity Pump

Liberty - LL3 Adhesives and Liquids PC Pump

The LL3 Progressive Cavity Pump is rated for .860 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 1.6 - 10 GPM
Pressure 0 - 225 PSI

Industry Uses

  • High Viscosity Pumping Applications
  • Abrasive Liquids & Solutions
  • Low-flow Rate
Liberty Process Liberty LL4 Series Progressive Cavity Pump

Liberty - LL4 Grouting and Heavy Abrasives Slurry PC Pump

The LL4 Progressive Cavity Pump is rated for 2.02 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 2 - 24 GPM
Pressure 0 - 225 PSI

Industry Uses

  • Abrasive Liquids & Solutions
  • Grouting & Slurry Mixtures
  • Sampling/Dosing Applications
Liberty Process Liberty LL6 Series Progressive Cavity Pump

Liberty - LL6 Hydraulic Fracking & Drilling PC Pump

The LL6 Progressive Cavity Pump is rated for 5.20 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 5 - 47 GPM
Pressure 0 - 225 PSI

Industry Uses

  • Abrasive Pump Applications
  • Drilling Mud Transfer
  • Fracking & Oil Discovery Applications
Liberty Process Liberty LL8 Series Progressive Cavity Pump

Liberty - LL8 Drilling Mud and Slurry PC Pump

The LL8 Progressive Cavity Pump is rated for 11.7 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 18 - 100 GPM
Pressure 0 - 225 PSI

Industry Uses

  • Drilling Mud and Slurry
  • Pulp & Mash Pumping
  • Abrasive Drilling Mud Applications
Liberty Process Liberty LL10 Series Progressive Cavity Pump

Liberty - LL10 Thickened Flow Mediums and Coatings PC Pump

The LL10 Progressive Cavity Pump is rated for 18.8 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 15 - 140 GPM
Pressure 0 - 225 PSI

Industry Uses

  • Thickened Pump Applications
  • Thick Gypsum Compound Pumping
  • Paper Coating Pump Applications
Liberty Process Liberty LL10H Series Progressive Cavity Pump

Liberty - LL10H Wastewater Treatment Process PC Pump

The LL10H Progressive Cavity Pump is rated for 27.7 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 22 - 140 GPM
Pressure 0 - 150 PSI

Industry Uses

  • RAS and TWAS Pump Applications
  • Industrial Wastewater & Effluent Flow Pumping
  • Sewage Pump Applications
Liberty Process Liberty LL12 Series Progressive Cavity Pump

Liberty - LL12 Grease & Scum Transfer PC Pump

The LL12 Progressive Cavity Pump is rated for 43.5 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 85 - 261 GPM
Pressure 0 - 225 PSI

Industry Uses

  • Scum Pumping Applications
  • Thickenend Grease Pumping
  • Slurry Mixture Pumping
Liberty Process Liberty LL12H Series Progressive Cavity Pump

Liberty - LL12H High Viscosity Fluids PC Pump

The LL12H Progressive Cavity Pump is rated for 65.2 gallons per minute per 100 RPM. It is available in one, two, and three stage designs.

Technical Data

Range 123 - 380 GPM
Pressure 0 - 150 PSI

Industry Uses

  • High-Viscosity Fluid Pumping
  • Thickenend Grease Pumping
  • Scum & Slurry Mixture Applications

Pumps and pump parts offered for sale by Liberty Process Equipment, Inc. are made in the United States, Germany, India, Spain, Argentina and Brazil.

*Liberty Process Equipment, Inc. is not affiliated with nor distributor for Seepex®, Allweiler®, Moyno®, Tarby®, Netzsch®, or Continental Inc.® All referenced product names, brands, models, or part numbers is solely for identification purposes. Seepex® is a registered trademark of Seepex®. Moyno® and Tarby® are registered trademarks of Robins and Myers® and NOV®, Netzsch® Incorporated is a registered trademark of the Netzsch® Group, Allweiler® is a registered trademark of Colfax® Corporations Continental® Pumps is a Trademark of Continental® Ultra Pumps.