Double Disc Pumps and Municipal Sewage Pumping

double disc pump

For years, we have been asking wastewater treatment plants (WWTP) what they like about double disc pumps and what they don’t like. We have even been compiling a database with what regions of the USA and Canada have success with this type of pump for sewage and which areas have had more challenges.

One of the things that most WWTP’s say is that there has been limited competition in the specifications put out for bid by municipalities and consulting engineers working on wastewater projects. As we all know a monopoly in the pump industry is seldom a good thing for quality, innovation and of course pricing for pumps and parts.

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A Comprehensive Guide to Diaphragm Pumps

Comprehensive Guide to Diaphram Pumps

This comprehensive guide containts everything you need to know about diaphragm pumps. We'll explain how diaphragm pumps work, what they’re made of, and what they’re used for. We’ll also outline the different types of diaphragm pumps, review the installation process, and discuss routine maintenance – so you can get the most out of your pump.

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Dirty Secrets in The Double Disc Pump Business

double disc pump comparison

several markets and we receive and document regular reports from our local double disc pump distributors as to who is saying what to consulting engineers and operators and then modifying our strategy to encourage competition in the double disc pump marketplace.

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Diaphragm Pump for Sewage Pumping

primary sludge transfer pumps

A WWTP just expanded and upgraded their pump facilities. The facility chose double diaphragm pumps to transfer sewage from digesters for secondary treatment. Project participants included Mud Sucker Diaphragm Pumps and pump manufacturer Wastecorp Pumps.

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How a Double Disc Pump Works

double disc pump single

We have all seen the outside of a double disc pump but rarely do we see what makes the pump actually work. Just to review, a double disc pump is a positive displacement pump that uses a trunnion (elastomer), a disc and a connecting rod to force sewage from the suction side to the discharge side of the pump by creating a vacuum inside the pump body. The valve chambers with the black check valves you see in the photo help to manage higher than normal concentrations of grit and solids in municipal wastewater.

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Compare Double Disc Pumps With Single Disc Pumps

double disc pump single

Since we launched the Sludge Pro Disc Pump product line, there have been several questions as to whether or not a single disc or double disc pump is more appropriate for a specific wastewater treatment application.

To be clear, there is not always a need for a double disc pump, a single disc pump will fit the pump specification properly. One of the reasons why consulting engineers and contractors have put the double disc pump specification in place is because there has been few other alternatives.

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