stephensonpumps

Rotary Lobe Pump

Advanced Fluid Transport Technology

Description

Lobe pumps represent the pinnacle of positive displacement pump technology, delivering unmatched reliability across diverse industrial applications. These precision-engineered pumps utilize counter-rotating lobes to create expanding cavities on the suction side. Industries worldwide rely on rotary lobe pumps for their remarkable versatility and superior hygienic properties.

The pump’s non-contacting rotors establish consistent flow rates regardless of pressure variations, while maintaining the delicate structure of shear-sensitive fluids. This makes them ideal for food processing, pharmaceutical manufacturing, chemical processing, and wastewater treatment applications where product quality is paramount. 

Lobe Pump Specifications:
Lobe pumps Key advantages

They are bidirectional flow capability, excellent dry-running tolerance, and self-priming functionality that eliminates the need for additional priming systems. The pump’s robust construction features replaceable wear parts that significantly extend service life while minimizing maintenance requirements. Advanced seal options provide exceptional protection against leakage, ensuring safe operation even with hazardous materials.

Modern rotary lobe pump incorporate CIP (Clean-In-Place) and SIP (Sterilize-In-Place) capabilities, dramatically reducing downtime in sanitary applications. Their energy-efficient operation translates to reduced power consumption and lower operational costs, while the compact footprint conserves valuable plant floor space. With flow rates ranging from gentle handling of delicate products to high-capacity industrial processing, rotary lobe pump deliver consistent, pulsation-free performance that meets the most demanding industry standards for reliability, efficiency, and hygienic operation.

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Common Questions

Most Popular Questions.

Have questions? You’re not alone! Here are some of the most frequently asked questions by our users. We’ve gathered the top queries to help you find quick, clear answers—whether you’re just getting started or looking for specific details. Explore the insights below to get the information you need in no time.

Yes, their gentle pumping action will help in minimizing foam generation, and proper RPM control prevents cavitation in delicate fluids.

Typically 5-15mm, depending on lobe design; larger pockets allow chunkier fluids but reduce pressure capability.

Often yes—high-viscosity fluids need slower speeds to avoid excessive torque and motor overload.

Lobe pumps have smoother surfaces, no metal-to-metal contact, and easier CIP/SIP cleaning, meeting strict hygiene standards.

 Sealed bearing housings and dry-run compatible designs keep lubricants separate from the fluid path. 

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