centrifugal pump manufacturer Articles

  • Centrifuge Technology in Drilling Fluid Recycling

    Drilling fluid additives and the water that contains them are an essential part and expense of successfully completing a horizontal directional drilling (HDD) installation, and the longer the bore and larger the product being installed, the more drilling fluids cost. Therefore, it makes economic sense to recycle drilling fluids by removing cuttings and recirculating the cleaned ...


    By Elgin Separation Solutions

  • Understanding Pump Cavitation

    Cavitation is a major problem in the chemical industry because it affects a basic tool, the centrifugal pump. A sudden increase in the velocity of the pumped liquid reduces the inlet pressure, sometimes below the vapor pressure.The result is formation of gas and bubbles. Detecting the signs of cavitation, and correctly identifying and understanding the type of cavitation present, can help an ...

  • 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.

  • Peristaltic pumps for moving filtration water

    The Eversburg sewage treatment plant is designed to serve 250,000 population equivalents and is one of three plants operated by the city of Osnabrück in northern Germany. But in 2005, its actual load was closer to 309,000 population equivalents (COD 80 mg/l), pushing the nitrogen input level above the plant's capabilities. To deal with this situation, engineer Peter Sikora organized a team ...


    By ALLWEILER GmbH

  • Pumps are the heart of heat-transfer plants

    Manufacturers in a variety of industries depend on heat-transfer plants to heat or cool their machines and apparatus. German firm heat11 GmbH & Co. KG specializes in heat-transfer plants of virtually all types. The chemical industry uses their installations for controlling the temperature of reactors and during the production of color pigments and liquid crystals. In the plastics industry, ...


    By ALLWEILER GmbH

  • Japanese metal powder manufacturer relies on U.S. Rotary Batch Mixer

    Nippon Atomized Metal Powders Corporation uses a patented water-jet atomization process to make high-quality super-fine metal powders from copper, bronze, brass, silver, gold, and stainless steel that are of consistent composition and particle size. Nippon Atomized Metal Powders refined the process of water-jet atomization to produce metal powders with well-shaped, uniform particles in the range ...

  • Flocculation - Flotation pretreatment improves operation of MBR installed to treat snack food manufacturing wastewater

    Abstract Large food manufacturing company has facilities to produce their well known brand name dairy based products in rural Indiana. As is commonly case with dairy wastewater, significant amount of proteins, sugars, oil and some suspended solids are present. Company installed membrane bioreactor (MBR) System to treat such wastewater for possible reuse. The MBR performed poorly ...


    By Clean Water Technology, Inc.

  • 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

  • Magnetic driven pumps in Molten sulphur service case study

    MD51EFDKR-3U88/06C with NORD SK12XZ-140TC and Reliance 2 HP, TEFC-XE motor Pumping Molten Sulphur is most challenging. Sulphur temperatures must be controlled within a 120-155o C range. Outside this temperature sulphur solidifies. Sulphur has a distinct odour and is highly corrosive in the presence of moisture. Where leakage from common packed style pumps was unacceptable, a ROTAN ...


    By DESMI A/S

  • 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 ...

  • 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

  • Recycling of Cars Made Green and Cleaner with Verderflex Peristaltic Pumps

    At the end of its’ life, a car yields on average, 140 kilos of shredder waste: 26 kg of metals, 69 kg of plastics, 11 kg of minerals and 24 kg of fibres. In Tiel, Netherlands, a Post Shredder Treatment plant (PST) was built in 2011, for the recycling of cars. The PST plant is one of the two plants in Europe that are able to recycle to approximately 95% of the waste materials. ...

  • Diaphragm pumps for the Royal Mint`s new effluent treatment plant

    SERFILCO's mission is to be a proactive partner for our customers and a leader within the industries we serve. To that end we continue to develop and manufacture state-of-the-art filtration, liquid handling and waste treatment equipment to help achieve the product integrity, quality and cost savings necessary for our customers to be competitive in the global marketplace. When the Royal Mint ...


    By Serfilco International Ltd

  • 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

  • Energy Efficient Vertical Turbine Pumps Promote Sustainable Mining Efforts

    The computational fluid dynamics process advances highly efficient pump designs for difficult applications. Energy is a strategic input for the mining industry in Latin America and worldwide. Mining requires large amounts of energy, which drives up total operational costs. In Chile, mining companies consume 34 percent of the total energy produced in the country and spend approximately ...


    By Neptuno Fluid Technology Lid

  • Joint German-Polish sewage plant satisfied with Allweiler pumps after 12 years

    An example of successful German-Polish collaboration In May 2010 the Gubin sewage plant celebrated its twelf-year anniversary. This plant processes wastewater from the cities Guben and Gubin, located on opposite sides of the Neisse River. It is the only German-Polish project of this type to operate successfully for the long term. Major elements of the plant include 17 progressing cavity ...


    By ALLWEILER GmbH

  • Bell & Gossett introduces new hydronic pump selection criteria to maximize system efficiency

    Energy and maintenance expenses account for approximately 75 percent of the life-cycle costs of a centrifugal pump. With a growing emphasis on reducing energy consumption driven by government regulation and businesses seeking operational and financial efficiencies, HVAC system designers are seeking system solutions that maximize efficiencies while reducing costs. To address this demand and the ...

  • Vibration – What is It? How does it Affect My Operation? What can I Do About It?

    ABSTRACTThis paper describes how pump vibration can create problems in conveyance systems. Potential sources of vibration are reviewed as well as factors that affect pump vibration. Examples are presented that demonstrate pump vibration problems: (1) when a wet well level was lowered to obtain system storage capacity, (2) in a new installation, and (3) when one pump in an installation functioned ...

  • 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

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