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liberty process liberty series

Liberty Series of Progressive Cavity Pumps and Aftermarket Pump Parts are considered premium pumps. They are designed to be replacements for the Liberty L-Frame Series of Progressive Cavity Pumps. Within the series there are nine different flow-sizes with flow ranges varying from less than a gallon to 250 GPM. Pumps are available in 1, 2 and 3 stages and therefor able to meet all range of discharge pressure needs of 75, 150, and 225 PSI. Pump series features a modular design, easy assembly and disassembly, NPT discharge connections, and low shear. These pumps are also maintenance free, designed with simple pin joints, and are non-pulsating.

LL4

ll2 polymer feed

  • Range: 0.9 to 2 GPM
  • Pressure 0 to 180 PSI
  • Rated for up to 0.260 gal/min/100 RPM
  • Can transfer polymer
  • Chemical feed
  • Applications: sampling/dosing
     
LL4

ll3 adhesive & liquids

  • Range: 2.7 to 10 GPM
  • Pressure: 0 to 225 PSI
  • Rated for 0.860 gal/min/100 RPM
  • Applications: high viscosity pumping
  • Used for abrasive liquids & solutions
  • Low-flow rate 
LL4

ll4 grout & heavy abrasive

  • Range: 5.5 to 24 GPM
  • Pressure: 0 to 225 PSI
  • Rated for 2.02 gal/min/100 RPM
  • Applications: sampling/dosing
  • Used for abrasive liquids & solutions
  • Grouting and slurry mixtures 
LL6

ll6 hydraulic fracking/drilling

  • Range: 21 to 47 GPM
  • Pressure: 0 to 225 PSI
  • Rated for 5.20 gal/min/100 RPM
  • Applications: abrasives, fracking and oil discovery
  • Transfers drilling mud 
LL8

ll8 drilling mud & slurry

  • Range: 35 to 100 GPM
  • Pressure: 0 to 225 PSI
  • Rated for 11.7 gal/min/100 RPM
  • Applications: abrasive drilling mud
  • Used for pulp and mash pumping
  • Drilling mud and slurry
LL10

ll10 thick flow

  • Range: 58 to 115 GPM
  • Pressure: 0 to 225 PSI
  • Rated for 18.8 gal/min/100 RPM
  • Applications: thickened pump
  • Used for paper coating pump
  • Thick gypsum compound pumping
     
LL12H

ll10h wastewater treatment

  • Range: 100 to 168 GPM
  • Pressure: 0 to 225 PSI
  • Rated for 27.7 gal/min/100 RPM
  • Applications: RAS and TWAS pump
  • Used for sewage pumps
  • Industrial wastewater & effluent pumping
LL12H

ll12 grease & scum transfer

  • Range: 85 to 261 GPM
  • Pressure: 0 to 225 PSI
  • Rated for 43.5 gal/min/100 RPM
  • Applications: scum pumping
  • Used for thickened grease pumping
  • Slurry mixture pumping
LL12H

ll12h high viscosity fluids

  • Range: 23 to 391 GPM
  • Pressure: 0 to 150 PSI
  • Rated for 65.2 gal/min/100 RPM
  • Applications: scum and slurry mixture
  • Used for high-viscosity fluid pumping
  • Thickened grease pumping