in-line centrifugal pump Articles

  • Gorman-Rupp On Line Hydraulics Training Courses

    Gorman-Rupp's on line training courses are designed to familiarize the user with the workings of a pump as well as centrifugal pump hydraulics and system hydraulics. Areas of focus include how to: Compute the Total Dynamic Head or how to read a performance chart Determine the system head curve or the net positive suction head Solve many problems associated with pumps ...


    By Gorman-Rupp Co.

  • Pump Performance Checklist

    Keeping your pump in shape will help reduce costs and boost profits! Cut fuel consumption, reduce replacement parts costs and minimize pumping time on every job! A PUMP THAT LETS YOU DOWN when you need it most causes obvious losses of time and money. Not so obvious, but every bit as costly, are losses you can incur with pumps that operate at less-than-peak efficiency. A pump ...


    By Gorman-Rupp Co.

  • Horsepower on the pump curve

    Now that the head capacity relationship along the X and Y axes of the pump curve has been established in Part 1 of this series, the pump curve can be used to determine the amount of horsepower required to meet the head and capacity requirements for the job. Horsepower is a unit of power equal to 550 foot pounds per second or 746 watts. Water horsepower is the minimum power ...

  • Less and More : Why You Should Pump Slurries with a Peristaltic Pump

    LESS WATER Peristaltic Pumps Use Less Water Hose pumps can circulate slurry SGs of 1.6 to 1.8 or up to 80% solid content. The traditional centrifugal pump loses efficiency when the slurry SG reaches 1.3 or 30% solids. With this limitation, slurry pumps have significant process water demands : on a plant processing 70 tonnes of ore per hour, every time a hose pump replaces a ...

  • Common challenges relative to the use of Decanter Centrifuges for barite recovery in the oil & gas industry

    When centrifuges are properly deployed, they can have dramatic effects on drilling performance. In fact, without them, many of the advances made in drilling would not have been considered achievable. Classically, we believe that centrifuges can achieve two common goals: Reduce the content of drilled fines, specifically colloidal solids, and Perform barite recovery in order to reduce ...


    By Elgin Separation Solutions

  • Field Performance Testing for Pipeline Pumps

    Significant energy savings can be achieved by optimizing pump operating efficiency. Measuring the exact pump performance with crude oil under realistic conditions in the field is the first step towards improving the pump efficiency in the future. About 20 billion barrels of crude oil were transported through pipelines in 2015. Around the world, there are over one million kilometers of ...


    By Sulzer

  • Pumping Up Safety, Efficiency and A Smarter Design

    The Opportunity The Progress Energy’s Lee Plant, located in Goldsboro, N.C., originally enlisted nine vertical sump pumps within the plant as yard drain pumps – pumps that have motors that are located above the pump and a line shaft that extends down into the length of the sump – whereas the pump is actually at the bottom of the sump. The pumps were enlisted to remove ...


    By Gorman-Rupp Co.

  • DESMI’s Magnetically Powered Pumps Seal the Deal

    For companies pumping dangerous or expensive chemicals, leaks can endanger both personnel and the bottom line. Hermetically sealed, magnetically powered pumps are the state-of-the-play answer. The list of potentially dangerous or simply-too-expensive-to-lose substances being pumped from one part of an industrial process to another somewhere in the world is long. Take isocyanates, for example. ...


    By DESMI A/S

  • Selecting a pump for sea water reverse osmosis

    Reverse osmosis (RO) desalination has become a significant process used in the purification of water. Selecting the correct pump is a significant step in a well designed and properly operating pumping system. Although the pump is a relatively small part of the overall cost of an RO system, expenses resulting from downtime and inefficiency can quickly diminish the productivity of the RO system and ...


    By Cat Pumps

  • Bypass Pumping System - How to choose the right pumping system to securely meet your objectives in a cost effective manner

    Many bypasses are similar in appearance and name, but it’s their subtle differences that require close attention to fully understand component performance parameters. To determine the right pump, we first need to understand many different aspects of the physical conditions of the application – Flow, Lift/Pump Strength, and Distance. FLOW – is the quantity of liquid being ...


    By Aquatech Dewatering Company

  • Some Chemical Applications Require the Range of a Positive Displacement Pump

    Chemical manufacturing includes complex processes. In fact, chemical manufacturing processes are so intricate that, typically, several unit operations exist within an overall process. These may include cracking, distillation and evaporation, gas absorption, and scrubbing and solvent extraction. Within these operations, transferring is the process of transporting fluid from one point to ...


    By MOUVEX

  • Pump Contract for MARS Tanker. Logistic Support Ship - Case Study

    In 2010 following many months of dialogue with BMT Naval Architects the initial purchase enquiry for the supply of pumps and systems for the 4 new logistic support ships for the U.K RFA (Royal Fleet Auxiliary) was received from the Korean Shipyard DSME. DESMI participated in the tender process from the very beginning and had an open and honest dialogue with both the ...


    By DESMI A/S

  • Space vector modulation based single stage inverter with maximum power point tracker for photovoltaic water pumping system

    Photovoltaic (PV) water pumping systems commonly use permanent magnet dc motors because of their simple circuit configuration and control strategy. However these systems require frequent maintenance. On the other hand, PV pumps driven by ac motors employing a dc-dc converter followed by an inverter use more number of power semiconductor switches which will add to the cost of the system and suffer ...


    By Inderscience Publishers

  • X-MET8000 Expert for rapid, on-site material verification at SPP Pumps Limited, Coleford, UK - case study

    SPP Pumps company background SPP was founded in 1875 by a British engineer after he bought the patent rights of the Pulsometer Pump from the American Thomas Hall. For more than 100 years SPP Pumps has been a leading manufacturer of centrifugal pumps and associated systems, providing high integrity services for diverse industries such as oil and gas production, airports, hotels, water ...


    By Oxford Instruments plc

  • Dan-Balt A/S - Pan European Terminals PLC

    Dan-Balt A/S - Pan European Terminals PLC DESMI NSL centrifugal pumps for heavy fuel oil transfer at the Dan-Balt A/S terminal in Aaberaa, Denmark. Pan European Terminals PLC with locations in Aabenraa, Denmark, has 160,000 m3 of storage strategically located close to Pan European’s existing ports but also close to Amsterdam / Rotterdam / Antwerp (ARA), the Kiel Canal ...


    By DESMI A/S

  • Mono’s pet project at c&d foods

    Four SW042 progressing cavity pumps are fitted on the production line; two are fixed in the extrusion lines and another two are mounted on mobile trolleys. At the beginning and end of each extrusion cycle, if the purée is not of the correct consistency for packing or sale, it is extruded into the extended hopper of the mobile pump and then wheeled to the fixed pump where the purée is transferred ...


    By NOV Mono - Mono Pumps Ltd

  • Mono nov’s compact mutrator solves sewage problem at park

    The services in Woodbank park are used by Stockport Metropolitan Borough Council staff working in the area, as well as members of the public using the sports facilities and visiting the park. The council wanted a simple and reliable alternative to handle raw effluent and enable them to link into a foul sewer some 500m away from the community services building. Engineers orignally opted to install ...


    By NOV Mono - Mono Pumps Ltd

  • Novozymes

    Novozymes Highly Efficient and Reliable DESMI Pumps for Pharmaceutical Company - DESMI Pumps used as cooling pumps in Novozymes Biotechnology Tianjin. Novozymes has invested in additional enzyme granulation capacity at its Chinese Tianjin plant. As one of Novozymes’ three strategic production bases around the world, the plant is capable of ...


    By DESMI A/S

  • Recycling municipal sludge with portable dredges

    Policing the pit. With today's emphasis on resource recovery, even burdensome and seemingly worthless materials are becoming increasingly valuable. Take municipal sludge, for example. For sewage treatment facilities wrestling with the problem of sludge disposal, Liquid Waste Technology may have the answer. The New Richmond, Wisconsin, USA company manufactures dredges and lagoon pumping equipment ...

  • Allweiler delivers its largest lube-oil module to Finnish power plant

    The Pump Skid business segment of Allweiler AG was chosen to deliver the entire lubrication-oil module for Finland’s Olkiluoto 3, the world’s largest power plant. Four Allweiler centrifugal pumps will handle pumping of lubrication oil. The lubrication oil tank holds 123 m3. It is the largest unit of this type that Allweiler has ever delivered. Planning for the system began in2004. The power plant ...


    By ALLWEILER GmbH

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