• 200 series
  • 300 series
  • 400 series
  • 500 series
  • 600 series
  • Unibloc® UltraLobe™

  • 200 series

  • 300 series

  • 400 series

  • 500 series

  • 600 series

  • Unibloc® UltraLobe™

Positive Displacement Pumps

Unibloc® Lobe Pumps

A fully machined gearbox at its core, this lobe pump sets the highest industry standards for performance, providing sanitary solutions for a variety of applications.

To Get Your Solution Started:
Request A Quote or Call +1‑770‑218‑8900

Key Features
  • Ultra-hygienic design
  • Patented rotor for low product shear
  • QuickStrip® design for meticulous cleaning

Unibloc’s lobe positive displacement (PD) pumps set the bar with their dynamic gearbox foundation. These PD pumps offer a solid basis for consistency and precision and provide the broadest selection of sanitary pumping solutions.

Designed for the most rigorous processing and cleaning situations, Unibloc Pump is the leader in 3A sanitary applications.

Patented Rotor Design

  • Low-product shear and excellent displacement
  • Tight, no-contact tolerances and optional non-galling alloy rotors mitigate the risk of foreign material and wear

QuickStrip® Design

  • Engineered to meet FDA’s meticulous daily cleaning requirements
  • Tool-free access to pump head and seals
  • Available in both Lobe and Gear style pumps
  • One-way assembly ensures accuracy and mitigates damage from foreign materials
  • Optional front-loaded seal design – access to seals without detaching the pump head



Performance Curves

Parts Lists

2D Drawings

3D Models (STEP)

Looking to quickly compare the features and benefits of different pump styles, to find the right one for your application? The Unibloc comparison chart is a great place to start.
Hygienic Pump Comparison Chart


Our seamless design and porosity-free guarantee exist for every pump we produce for the industry’s cleanest CIP/SIP capable pump. The sleek design eliminates any pinches or gaps that could build up material or conceal hazardous microorganisms. The gearbox has a non-stick exterior for easier cleaning.

  • Ideal for high pressure, high-temperature applications, and low shear or abrasive products
  • Versatile Seal Mount (VSM) technology allows seals to mount on any pump head with no modifications – simplifying operations with multiple applications
  • Offered in an assortment of industry-specific materials and designs
  • Rotor material options: stainless steel alloy, Polyflex® plastic metal detectable, and DuraCore® composite designs.


View All Videos

Unibloc Compac™ Flex: Coupled Pump Solutions
Unibloc Pumps – Sanitary PD Pumps
Sanitary PD Pump 600 Series with New Rotor Design
Food Processing QuickStrip Pump How To: Easy Operation in COP Clean-out-of-place Applications
Food Processing QuickStrip COP Overview: Clean-out-of-place Pump Technology
Unibloc Pump Food Grade Truck Pumps
How to Replace Double O-Lip Seals on the Unibloc Pump PD551
Shimming a PD551 Pump
Replacing Diaphragms on a PD551 Pump
Replacing Double O Lip Seals on PD551 Pump
Replacing Single Mechanical Seal in the PD300 – 575 Series Pumps
Daily Maintenance for Unibloc PD500 Series Pumps
Daily Maintenance for Unibloc PD602-677 Series Pumps
Replacing Double Mechanical Seal for PD450 (300-575 Series)

Case Studies

View All Case Studies

Tanker Carrier Reduces Downtime by 20% with Unibloc Pumps

Oakley Transport solves seal and pump failure issues with Unibloc pumps - keeping this hauler of liquid food-grade cargo on the road.

Read the Story

Leading Poultry Processor Tackles Challenging Forming Application with Unibloc Pump

The QuickStrip FoodFirst pump increased uptime and reduced potential foreign material issues in an application no other pump could handle.

Read the Story

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