Progressive Cavity
PC Sludge Pump Operates 8 Years & 26,000 Hours Without Repair
The progressive cavity pump could have run even longer.
What to Do Before Starting a Progressive Cavity Pump
Ensure pump startup runs smoothly by avoiding common mistakes.
Twin Screw Pump Technology Solves Difficult Food Processing Challenges
Overcome low inlet pressure issues and minimize maintenance.
Progressive Cavity Pumps & Wastewater Sealing
HI Pump FAQs





Pumping Fluid with High Gas Content
The right oil and gas equipment can simplify the process.
Macerating Blades Keep Beets Moving 
Sanitary requirements are met—even for waste materials—in this New York facility.
Unloading High-Viscosity Food Ingredients Safely & Effectively 
Piston pumps and inflatable seals create a system that protects employees and products.
A Beginner’s Guide to Progressive Cavity Pumps
Common Pumping Mistakes





How Portable Condition Monitoring Improves Maintenance 
If intermittent problems go unnoticed or cannot be measured and investigated, small issues can become failures.
What You Might Not Know About Bolts for Rotodynamic Pump Applications 
Stronger is not always better.
SEEPEX President Michael Dillon Talks about Pump Market Trends for 2017
Pumps & Systems staff spoke with SEEPEX President Michael L. Dillon about the major trends to anticipate in 2017 related to instrumentation, controls and monitoring, as well as the pump market
What...
Peristaltic Pumps Offer Solutions in Corrosive & Abrasive Processes
One new design can pump up to 80 percent solids and flows up to 450 gpm with a single 4-inch-diameter peristaltic pump.
Pick the Right VFDs for Progressive Cavity Pumps
There are numerous factors to consider to ensure the best performance with this technology.
Sealing Solutions for Progressive Cavity Pumps
While this type of pump is ideal for high-viscosity liquids, it can present users with unique challenges.
Progressive Cavity Pumps Streamline Pulp & Paper Applications
One pump manufacturer provided a major paper mill with what could become a new industry standard.
Overcome Harsh Conditions by Combining Pump Types
The 77 pumps at the Puralube Zeitz site leverage progressing cavity and centrifugal pumps to recycle used oil into more than 140,000 metric tons of base and mineral oil products.
Progressing Cavity Pumps Simplify Crude Transportation
Customized equipment helped an energy company achieve greater operational efficiencies, lower maintenance and improved diluent injection control.
NSF/ANSI 61 Certified PCPs Fit Specific Water Treatment Requirements
These specialized pumps assisted one company in developing a new water disinfection device for municipalities.
Guidelines for Progressive Cavity & Peristaltic Pump Maintenance (Last of Two Parts)
These pumps require regular attention, so end users should carefully consider the design options.
Progressive Cavity Pumps Provide Optimized Operation in Multiple Pulp & Paper Processes
The addition of a cardan joint helps resolve wear and failure and delivers improved angularity and smooth transmission of radial and axial loads.
Guidelines for Progressive Cavity & Peristaltic Pump Maintenance (First of Two Parts)
Because these pumps require regular attention, end users should carefully consider the design options.
Bearing Minimum Loads, Stuffing Boxes for Rotodynamic Vertical Pumps & Rotary Pump Operating Temperature
Q. What information is available regarding bearing minimum loads for pumps?
A. All rolling element bearings require a minimum applied load. This ensures that normal elasto-hydrodynamic operation...
How a Canadian Copper Mine Increased Efficiency with Progressing Cavity Pumps
Selecting this equipment for dewatering decreased maintenance requirements, 
saving more than $160,000.
Progressive Cavity Pumps Help 
Customize Chemicals
These pumps do not shear, and they provide consistent flow of fluids of different viscosities.
Progressive Cavity Pumps Solve Magnesium Hydroxide Problems
Smart conveying technology improves uptime at a coal-fired power plant.
New Progressive Cavity Pump Technology
New Progressive Cavity Pump Technology
Progressive cavity (PC) pumps are commonly referred to in industry as mono-pumps, screw pumps, eccentric screw pumps or worm pumps. All are positive displacement pumps. The inventor of the progressive...
Anaerobic Digestion and Power Generation
Anaerobic Digestion and Power Generation
New progressive cavity pump technology aids in anaerobic digestion system.With economic problems and concerns about the environment, one project in Ohio plans to help both issues. More jobs, clean...
Product Innovation of the Year 2010 Honorable Mention: seepex
Smart Conveying Technlogy
Introduced in September 2010, seepex's Smart Conveying Technology allows the stator to be re-adjusted giving longer stator and rotor life compared to conventional designs....
Biosolids Pumping Market
Enterprising biosolids pump manufacturers are finding abundant new opportunities in the biosolids segment. With wastewater management becoming a key issue, everyone from truck owners to sludge...
Quick Assemble for Coalbed Methane PCP System
Pumps and Systems, February 2007Natural gas is a clean-burning energy source well suited as a boiler fuel, vehicle fuel, and heating residences as well as large structures. Coalbed methane (CBM) is a...