The Justice Series Open Hopper Progressive Cavity Pump is an ideal low-flow pumping solution for viscous solutions with high solids contents such as high-viscosity foodstuffs, food waste and other non-easily pumped materials with solids content. The Justice Series offers a heavy-duty auger in a gravity-fed hopper mated to a rotor and stator for the most difficult pumping applications available today.
The LJ4 series of progressive cavity hopper pump parts are supplied as 100% drop in aftermarket parts for your Moyno® J4-Frame and Tarby® TJ4 Frame pumps. Parts such as Rotors, Stators, Connecting Rods, Seals, Gasketery and more are all available as quality aftermarket replacement pump parts for your existing pump assembly.
Flow rates of 2.02 GPM per 100 Revolutions (5 GPM to 9 GPM) at up to 225 PSI are standard through the range of the series. The Justice Series offers a design of a heavy-duty auger mated to a rotor and stator for the most difficult pumping applications.
The large rectangular feed hopper design easily accommodates your pumping medium while the non-pulsating design of the product produces a low-shear flow that conveys your medium along effortlessly. Solids in suspension of up to 50% are accommodated by the Auger design.
LJ4 Progressive Cavity Pump Drive Assembly
The pump units modular design with simple hardened pinned joint drive assembly makes it an ideal cost-effective choice. The standard seal design is a set of gland packing with a Lantern Ring and flush connections. Mechanical seal options are readily available.
View Pump Curves, Drawings & Performance
Find out more about the specifications of the Justice Series LJ4 Pump on our Liberty Process website.
LJ4 Series Pump Casings and Supports in Cast Iron, Steel and Stainless Steel are available for your pumping requirements. Pumps can be assembled with a variety of materials for a customized pumping solution for you. Please contact us today to discuss your options.
Stators are available in many elastomer materials such as Buna, natural rubber, EPDM and Viton.
Rotors are typically hardened tool steel or 316 stainless steel with a hard chrome plating specification and are available in 1, 2, and 3 stages for applications with 75, 150, and 225 PSI discharge pressures. All other wetted parts are either carbon steel or 316 stainless steel.
LJ4 Parts / Kits
The Liberty LJ4 Progressive Cavity Pump parts are direct aftermarket replacements that dimensionally interchange with the Moyno® J4 Series, and the Tarby® TJ4 Series.* Parts are available online, for rebuild services please contact us.
*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.