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Liberty Series

LL-Frame PC Parts & Pumps

The Liberty Series of LL-Frame Progressive Cavity Pumps and Pump Parts is our most popular progressive cavity pump series for general to difficult pumping applications and represents the best value in drop-in replacement aftermarket progressive cavity pump parts for your existing L-Frame Moyno®, Century III Tarby®, CL & CM-Frame Continental®, and Roper® brand progressive cavity pumps.

The Liberty Series is offered in 9 different standard sizes with flows ranging from a fraction of a gallon up to 391 GPM and all pumps are available in 1, 2 and 3 stages for discharge pressures of 75, 150, and 225 PSI.

The Liberty Series of Progressive Cavity Pumps from Progressivecavityparts.com are a great choice for a variety of pump applications from drilling mud to ground water remediation applications to sludge and polymer feed.

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

Liberty Series pumps are stocked in cast iron or 316 Stainless Steel depending upon your application. 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.

Aftermarket Liberty Series PC Pump Parts

Liberty Series Pumps & Pump Parts Work With:

  • Moyno® Moyno® L-Series Pumps
  • Tarby® Tarby® Century 3 Series Pumps
  • Continental® Continental® CL Series
  • Roper® CM Series
  • Roper® Roper® 70200 Series
  • Roper® 70300 Series
  • Roper® 70500 Series
  • Roper® 70600 Series

Aftermarket Liberty Series PC Pump Parts

Liberty Process Equipment supplies a full line of drop in replacement aftermarket progressive cavity pumps and pump parts for some of the most popular progressive cavity pumps manufactured today like Moyno®, Tarby®, Continental® and Moyno®.

Ready to Ship Today

Fully assembled Liberty Series wobble stator progressive cavity pumps in both close and long-coupled versions are ready to ship same day. Please feel free to contact us with any questions you may have.

Full Warranty

Liberty Process Equipment, Inc. warrants the products it supplies only against defects in material and workmanship under normal use and proper installation and service foe a period of One Year from the date of shipment. For further information please consult our full warranty here.


*Neither Progressivecavityparts.com nor its parent companies nor their replacement aftermarket progressive cavity pump parts are representative, affiliated or associated with Moyno®, Tarby®, Netzsch®, Continental®, Seepex®, Roper® or Allweiler® or their respective parent corporations. All part numbers, product lines and/or descriptions are for reference purposes only.

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1LL10 PC Pump Rotor-Stainless Steel 1LL10 PC Pump Stator 1LL10 PC Pump Stator
1LL10 PC Pump Rotor-Stainless Steel
Sold Individually $2,452.00
1LL10 PC Pump Stator
Sold Individually $555.00
1LL10 PC Pump Stator
Sold Individually $562.00
Chrome Plated Stainless Steel Buna Nitrile with Steel Casing Natural Rubber with Steel Casing
1LL10 PC Pump Stator 1LL10 Progressive Cavity Pump 1LL10 Pump Stator
1LL10 PC Pump Stator
Sold Individually $1,280.00
1LL10 Progressive Cavity Pump
Our Price: $6,760.00
1LL10 Pump Stator
Sold Individually $2,666.00
Buna Nitrile with Stainless Steel Casing 1LL10 PC Pump Viton with Steel Casing
1LL10H Progressive Cavity Pump 1LL12 PC Pump Rotor 1LL12 Progressive Cavity Pump
1LL12 PC Pump Rotor
Sold Individually $2,145.00
1LL12 Progressive Cavity Pump
Our Price: $14,420.00
1LL10H PC Pump Chrome Plated Steel 1LL12 PC Pump
1LL2 PC Pump Rotor 1LL2 PC Pump Rotor-Stainless Steel 1LL2 PC Pump Stator-Buna Nitrile
1LL2 PC Pump Rotor
Sold Individually $237.00
1LL2 PC Pump Rotor-Stainless Steel
Sold Individually $276.00
1LL2 PC Pump Stator
Sold Individually $93.00
Chrome Plated Steel Chrome Plated Stainless Steel Buna Nitrile w/ Steel Casing
1LL2 PC Pump Stator 1LL2 PC Pump Stator 1LL2 PC Pump Stator
1LL2 PC Pump Stator
Sold Individually $165.00
1LL2 PC Pump Stator
Sold Individually $90.00
1LL2 PC Pump Stator
Sold Individually $212.00
Buna Nitrile w/Stainless Steel Casing EPDM Rubber with Steel Casing Viton with Carbon Steel Casing
1LL2 PC Pump Stator-Stainless Steel 1LL3 PC Pump Rotor 1LL3 PC Pump Rotor - Stainless Steel
1LL2 PC Pump Stator-Stainless Steel
Sold Individually $332.00
1LL3 PC Pump Rotor
Sold Individually $290.00
1LL3 PC Pump Rotor - Stainless Steel
Sold Individually $503.00
Viton with Stainless Steel Casing Chrome Plated Steel Chrome Plated Stainless Steel
1LL3 PC Pump Stator 1LL3 PC Pump Stator 1LL3 PC Pump Stator
1LL3 PC Pump Stator
Sold Individually $123.00
1LL3 PC Pump Stator
Sold Individually $124.00
1LL3 PC Pump Stator
Sold Individually $320.00
Buna Nitrile with Carbon Steel Casing Natural Rubber with Carbon Steel Casing Viton with Carbon Steel Casing
1LL3 Progressive Cavity Pump 1LL4 PC Pump Rotor 1LL4 PC Pump Rotor-Stainless Steel
1LL3 Progressive Cavity Pump
Our Price: $1,812.00
1LL4 PC Pump Rotor
Sold Individually $323.00
1LL4 PC Pump Rotor-Stainless Steel
Sold Individually $567.00
1LL3 PC Pump Chrome Plated Steel Chrome Plated Stainless Steel
1LL4 PC Pump Stator 1LL4 PC Pump Stator 1LL4 PC Pump Stator- Stainless Steel
1LL4 PC Pump Stator
Sold Individually $195.00
1LL4 PC Pump Stator
Sold Individually $538.00
1LL4 PC Pump Stator- Stainless Steel
Sold Individually $314.00
1LL4 PC Pump Stator Viton with Steel Casing Buna Nitrile with Stainless Steel Casing
1LL4 PC Pump Stator-Stainless Steel 1LL4 Progressive Cavity Pump 1LL6 PC Pump Rotor
1LL4 PC Pump Stator-Stainless Steel
Sold Individually $314.00
1LL4 Progressive Cavity Pump
Our Price: $2,257.00
1LL6 PC Pump Rotor
Sold Individually $558.00
EPDM Rubber with Stainless Steel Casing 1LL4 PC Pump Chrome Plated Steel