Progressive Cavity Pump Working: A Closer Look at Reliable Flow Technology

Progressive Cavity Pump Working: Progressive cavity pumps (also known as PC pumps) are known for their ability to handle thick, abrasive, or shear-sensitive fluids with ease. But what makes them so effective? In this article, we’ll break down the working principle of progressive cavity pumps, and explain why they’re a top choice for industrial, mining, and water treatment applications across Australia.

At MultiTorque, we supply, repair, and service progressive cavity pumps nationwide. Whether you’re in Perth, Brisbane, or beyond, our team is ready to help with pump selection, part replacements, or custom builds.

Table of Contents

How Does a Progressive Cavity Pump Work?

A progressive cavity pump is a positive displacement pump that moves fluid through a series of sealed cavities. Its core components include a single helical rotor and a double helical stator made of an elastomer material.

As the rotor turns inside the stator, it forms cavities that progress from suction to discharge. These cavities remain sealed from one another, ensuring a smooth, pulseless flow of fluid.

Step-by-Step Working Principle:

Rotation begins: The rotor rotates inside the stator.
Cavities form: As the rotor turns, cavities open at the suction end.
Fluid is captured: Liquid enters the open cavity.
Cavities travel: As rotation continues, the cavity progresses forward along the pump body.
Discharge phase: Fluid is pushed out the discharge end without pulsation or turbulence.

This design enables precise flow control and exceptional handling of viscous, abrasive, or delicate fluids.

Key Features of Progressive Cavity Pumps

Self-priming and able to handle suction lifts
Steady, pulse-free flow regardless of fluid type
Excellent for high-viscosity or abrasive fluids
Low shear pumping for sensitive applications
Reversible flow direction by changing motor rotation
Handles solids, slurries, and suspended particles

This makes them ideal for applications where centrifugal pumps would struggle or fail.

Where Are Progressive Cavity Pumps Used?

PC pumps are versatile and widely used across multiple sectors. At MultiTorque, we often supply them for:

Wastewater treatment – sludge, scum, and chemical dosing
Mining and dewatering – thick slurries and tailings
Agriculture – manure pumping, irrigation sludge
Oil & gas – viscous fluids and drilling muds
Food & beverage – syrup, dough, mash, and fruit pulps
Chemical processing – resins, adhesives, and polymers

Their ability to handle low-flow, high-pressure applications makes them essential in industries where precision and durability matter.

MultiTorque: Your PC Pump Specialists

At MultiTorque, we don’t just sell pumps—we keep them working.

We service, supply, and repair a range of progressive cavity pump brands, including:

Netzsch
Mono
Orbit
Seepex
Wangen
Mononov

Our in-house technicians can help with everything from rotor/stator replacements to full rebuilds or emergency breakdown support. We also offer custom skid builds and mobile trailer solutions for portable pumping requirements.

Why Choose MultiTorque?

✅ Over 15 years of industry expertise
✅ Branches in Brisbane & Perth
✅ Australia-wide service and support
✅ Fast access to parts and rebuild kits
✅ Responsive, honest, and reliable

We work with councils, farms, industrial sites, and mining companies. Whether you need a new unit or want to refurbish an old one, we’ve got the tools and know-how to make it happen.

Let’s Get Your System Flowing

If you’re dealing with thick, abrasive, or high-solids fluids and need a reliable pump that won’t clog, burn out, or break down—progressive cavity pumps are the answer.

📞 Call MultiTorque on 1300 726 525
📧 Email us at sales@multitorque.com

We’ll help you select, supply, and service the right PC pump for your system—backed by expert support every step of the way.

Progressive Cavity Pump Working