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  • Submerged vertical safety concept Submerged vertical safety concept
    The damaged pipe at a Swedish unloading terminal led to the creation of a special design for molten sulphur tanks. This required a 17 m long vertical pump that had to be lowered in from the top to avoid tapping the tank at the bottom. VDMA's Stephan Näckel and Per Karlsson describe this technical development.
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  • Load monitoring reduces downtime Load monitoring reduces downtime
    To reduce productivity losses caused by process equipment failure, a US specialty chemicals manufacturer has tried a number of monitoring technologies for its pumping systems. After installing shaft power monitors, the annual maintenance and downtime costs for three of its pumps were reduced to zero.
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  • Alternative ammonia transport solution Alternative ammonia transport solution
    To maintain its 24/7 schedule, a US chemical plant relies on ammonia shipped via a 14-mile-long pipeline. However, when repairs came due an alternate method of transfer was needed. The solution was a skid with a booster pump powerful enough to meet the pressure and volume demands. A Blackmer sliding vane pump fitted the bill.
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  • Close cooperation in paint production Close cooperation in paint production
    When an international paint producer was looking to upgrade its plant in Finland, it was also looking to cure a number of problems and decided upon LPP pumps. Close cooperation between manufacturer and supplier brought considerable benefits including reducing product time, reduced maintenance and energy costs in addition to improved operational reliability.
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Downloads

  • Twenty five year' dry pumping
    A look at the important development of the dry, oil-free vacuum pump, which solved the back streaming problems that had previously plagued major industry sectors for years - metallurgy, vacuum drying and semiconductor manufacture amoung them.
  • Dry vacuum gains for processing
    Environmentally friendly dry vacuum pumps have great energy saving possibilities and have the potential for the lowest cost of ownership in chemical and biofuel processes. This article explains the benefits.
  • Less resistance to energy efficiency
    There are many ways to increase the efficiency of pump. Here, lew Beck at Oconee Nuclear Station discusses two of them: firstly the use of ceramic type coatings applied to pump intervals such as the impeller and casing, and secondly through the renewal od original filts and tolerances.
  • Get it right first time - reduce TCO
    Gunther A Meyer and Wolfgang Leiber of Allweiler AG discuss the many ways in which pump operators can influence the service life and efficiency of the pumps in their charge, and therby reduce total costs. Factors affecting both rotodynamic and positive displacement pumps are considered.
  • Mixture type dictates pump choice
    A consideration of the variety of factors which determine the selection of centrifugal pumps for applications involving the transport of solid-liquid mixtures. The influence of wear on the operating parameters of these pumps is also examined.
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