6ML2 Progressive Cavity Metering and Dosing Pump

The Liberty Process 6ML2 Progressive Cavity Metering and Dosing Pump is an ideal metering pumping solution for the pumping of wastewater treatment facilities polymers and other chemical mixes in general industry. The Liberty 6ML2 Series PC Pump is a standard flanged pump manufactured with cast iron or stainless steel casings.

The pump unit is a modular design with simple hardened pinned joint drive assembly. Rotors are typically hardened tool steel or stainless steel with a hard chrome plating for long life in abrasive and erosive applications. All other wetted parts are either carbon steel or stainless steel for added durability.

Stators are available in many elastomer materials such as buna, natural rubber, epdm and viton. The standard seal design is a set of gland packing with Lantern Ring and Flush Connections. Mechanical seal options are readily available.

The Liberty unit is a low-cost, maintenance free, dependable drop-in replacement pump which will give you the service you need at a price you can afford.

6ML2 - Technical Data

Flow Rate 0.5 - 3.0 GPM
Pressure 0 - 360 PSI
Seal Options Packing or Mechanical Seal
Base Options Steel and Stainless Steel
INLET / OUTLET 1-1/2" / 3/4"
Rotors Stainless Steel, Chrome Plated Tool Steel
Stators Buna / Viton® / EPDM / Natural Rubber
Motor Options 1/2, 3/4, 1 HP

Pump Features

  • Modular Design
  • Maintenance Free
  • Easy Assembly/Disassembly
  • Simple Pin Joint Design
  • NPT Discharge Connections
  • Low Shear
  • Non-Pulsating

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.