trash pump Articles

  • Large Diameter Impellers Make Trash Pumps More Versatile

    The introduction of these impellers allow for a higher range of discharge pressure. Pumps are available in many types—diaphragm, positive displacement and progressive cavity—but the most common is a centrifugal pump. Centrifugal pumps have an impeller that spins, transferring energy to the fluid by centrifugal force and directing the water to the discharge point within the ...


    By Griffin Dewatering

  • From trash to triage: Surplus saves lives

    The sheer volume of medical surplus that can collect in a healthcare facility’s basement or storage space can be jaw-dropping. Storage space in most healthcare facilities is very limited. In these premium spaces, the accumulation of surplus medical supplies can easily grow out-of-hand. Thousands of useless IV poles, rendered obsolete by a new pump design, can choke walkways. Storage spaces can ...

  • Wastewater treatment facility uses ‘monsters’ to better manage screening, odor and trash

    As wastewater pours into the Cobourg Water Pollution Control Facility located on the outskirts of this Canadian town, it comes loaded with organics, trash, debris and chemicals. A large perforated plate screen system, called a Monster Separation SystemTM, is the plant’s first line of defense and removes all unwanted solids in order to protect downstream processes.Managers at the facility report ...


    By JWC Environmental

  • Picking the Perfect Pump

    By John Amundsen, District Manager The Gorman–Rupp Company Pumps and pumping systems are like unsung heroes of modern society – quickly and quietly transporting vital water supplies, chemicals and waste to and from locations, which rely upon their consistent, reliable operation. In fact, pumps and pumping systems are one of those entities that aren't ...


    By Gorman-Rupp Co.

  • Geothermal plant protects pumps - case study

    This large geothermal company needed reliable equipment in the deserts of southeastern California. Geothermal plants turn water into to steam to drive turbines. Protecting the pumps is paramount. Keeping the inflowing water clean of debris and marine life, an IWS traveling water screen provides reliable removal with minimal labor. Debris is lifted from the water, and dropped directly into a ...


    By International Water Screens

  • Griffin offers wide range of versatile electric submersible pumps

    Griffin Pump and Equipment Inc. offers a complete line of electric submersible pumps. Whether it is clean water, gray water, or trash laden effluent, the company can provide the right pump for your application. Electric submersible pumps are available for flows as low as a few gallons per-minute to several hundred gallons per minute, with head conditions to several hundred feet. Electric ...


    By Griffin Dewatering

  • Griffin Stainless Steel Hydraulic Submersible Pumps have the ability to withstand corrosive environments.

    Griffin Stainless Steel Hydraulic Submersible Pumps, which have the ability to withstand corrosive environments, are available in trash, axial flow, and and material handling models. The pumps range from 4” to 24”. These pumps are designed for heavy duty municipal and industrial dewatering and solids handling pumping applications handling high volumes of water up to 20,000 gpm ...


    By Griffin Dewatering

  • Safe, Effective Pumping: In order to understand safe operation, it’s necessary to understand the application first.

    Whether it comes to pumps on a construction site or in an industrial process, the number one goal is to make sure it is operating and running with minimal need of attention. But as with any other equipment, it’s necessary to understand the basic priniciples of safe operation in order for this to occur. In order to understand safe operation, it’s necessary to understand the application ...


    By Griffin Dewatering

  • San Francisco bay area city cleans Mossy mess - case study

    In Contra Costa County, east of San Francisco, we installed an IWS Screen to remove all types of water borne debris including moss, grass, hyacinth and tumbleweeds.   The installation reduces man hours and risk of injury from raking trash racks as well as keeping service lines clear. This project included: Traveling Screen(s) Elevator Pump ...


    By International Water Screens

  • Eight screens for California aqueduct - case study

    The Berrenda Mesa Water Districts’ California Aqueduct pumping station had a massive debris problem, causing high labor costs, injuries and endless headaches — until they contacted International Water Screens. We engineered and installed a large array of moss removal screens. Now: Labor issues resolved, no racks to clean. Pump efficiencies have improved to the point where the project ...


    By International Water Screens

  • Nuclear power plant keeps intakes clean - case study

    When this nuclear power plant in the Great Lakes region needed reliable traveling water screens to keep it’s intakes clean, they chose International Water Screens. Vertical screens with hoods provide clean water to create steam to generate up to 725,000 kilowatts of electricity for the surrounding region. This project included: Traveling Screen(s) Elevator ...


    By International Water Screens

  • Fine screens help New Jersey wastewater treatment plant stop rag and grease problems

    A few years ago the Hammonton Wastewater Treatment Plant, located in the lush green countryside of southern New Jersey, faced continuous problems with rags, trash and plastics passing right through a rusty old bar screen and into the oxidation ditch and final clarifier.After years spent unclogging pumps, clearing out trash and untangling the UV system – plant managers decided to find a better ...


    By JWC Environmental

  • Nebraska inline Traveling water screen - case study

    A Nebraska irrigation district installed this IWS traveling water screen system to help protect pipelines leading as well as pivot irrigation lines.  Previous years required repeated cleaning of pivot filters and nozzles. Since the install, they have seen dramatic reduction in downtime and less need for back-flushing of lines for clean out. This project included: ...


    By International Water Screens

  • Idaho Water District’s new Hydroelectric project - case study

    This Irrigation District north of Twin Falls installed a new run of the river hydroelectric facility. In order to protect their new turbines, they installed this Traveling Water Screening System. The majority of debris consists of weeds, tumbleweeds, aquatic plants and urban debris. The 5 screens at this location drop debris on a 60’ long conveyor. The conveyor carries the debris to an ...


    By International Water Screens

  • Cooling tower for Chemical processing plant - case study

    This chemical processing plant needed clean, debris-free water for cooling purposes. We created custom traveling water screens for their cooling tower that are compact and efficient. Smaller mesh sizes can catch fine debris for a this type of installation. No matter what architectural or engineering constraints, we’ll create a water screen solution that fits. This project included: ...


    By International Water Screens

  • Columbia River Gets a Vertical Fish Screen - case study

    The Columbia River is huge and runs past deserts, towns, major cities and numerous recreation areas. It is a major fishery, as well. So this screen had to protect and exclude fish, handle natural and urban debris, and operate in a constricted space.  We designed and installed large vertical fish screens with hoods. Now the irrigation canal is clean and clear of river debris. The fish are ...


    By International Water Screens

  • Vertical water screen for Pittsburgh, CA - case study

    The City of Pittsburg, California looked at repairing their old FMC vertical traveling water screens, but the price was exorbitant… Until they contacted International Water Screens. Our quote for a new water screen was lower than the estimated price to repair the FMC screen. After a year of operation they found that our design was much more efficient than the FMC screen. So, they decided ...


    By International Water Screens

  • Infrastructure Bypass: Rehabilitating the Nation’s Decaying Sewer Systems

    Billions of dollars in federal aid money has been allocated to rehabilitating our decaying sewer systems, and while these are projects that will be done, there will be associated problems with trying to keep roads and businesses open during this work. Typically, in rehabilitating existing sewer lines, the flow of sewage cannot simply be diverted—it must be “bypassed,” which ...


    By Griffin Dewatering

  • American Industrial helps Knife River construction with Cornell Technology

    American Industrial of Livermore California emphasizes first-class customer service, in acquiring and retaining pump system customers.  For the last 8 years, they have brought that customer service focus to their relationship with Knife River Construction. Knife River, operating an aggregate sand/gravel plant in Marysville California, is the ninth largest aggregate producer and the sixth ...


    By Cornell Pump Company

  • How to Buy Right, Not Cheap

    Companies using solids-handling pumps as part of their processes know that even though the pumps are typically moving trash and other waste products, the type of equipment used can be a huge business decision. Most applications warrant more attention than simply choosing the first pump that pops out of a catalogue. Choosing the right one can save up-front costs, but, more importantly, it will ...


    By Gorman-Rupp Co.

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