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  • On demand district heating cuts costs On demand district heating cuts costs
    Refurbishing an ageing district heating system in Constanta, Romania using new hot-water recirculation pumps, associated variable speed drives and other controls in a demand-based arrangement, has resulted in an improved supply quality, plus an optimized, energy-efficient operation – all with greater reliability.
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  • Air systems deliver energy cost savings Air systems deliver energy cost savings
    A mineral wool production facility was on the lookout for a compressed air solution to integrate into its upgrade programme. The installation of a compressed air system from Atlas Copco fulfilled the company's need for energy efficiency while providing a net capacity more than sufficient to meet increased plant air requirements.
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  • New heights reached in concrete pumping New heights reached in concrete pumping
    In April 2008, a new world record height of 606 m for pumping concrete was set on the Burj Dubai Tower in Dubai. Bryan Orchard looks at the high pressure peristaltic or piston pump technology behind this level of performance and the contribution that it can make to the latest generation of high-rise building projects.
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  • Steering an even keel with effective drainage Steering an even keel with effective drainage
    When archaeologists discovered a haul of 16th century shipwrecks at a Norwegian building site, they realised that quick and efficient drainage had to be attempted to ensure both safe examination of the ships and timely completion of the building. A range of Tsurumi drainage pumps provided the answer.
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Downloads

  • Protecting an inaccessible motor
    For many applications, VSD motors are set far away from the pumps they run, which can cause bearing damage and motor failure. Steve Hughes, managing director of REO, explains how new filter technology can protect these hidden motors.
  • Dynamic delivery for home heating
    Central heating manufacturers are developing environmentally-conscious technologies which can effectively distribute heat, while saving energy. Phil Marris discusses the technological developments in the heating industry which have made the use of heat pumps with powerful, compact radiators a reality.
  • Flexible concepts in building automation
    The advantages of the 'intelligent building' are the increase of user comfort as well as the reduction of operating costs. existing pump technology, such as that found in heating and air-conditioning, can contribute to this. Here we examine a flexible concept with which electronic pumps can be integrated into different building automation systems.
  • Redesigning a hot water system
    The design and operation of hot water systems typically appear to be straightforward. However, particularly in large buildings with many users, inexpert system design can result in unsatisfactory supply issues, as this article illustrates using a real-life example of a large hospital.
  • Improving open canned systems
    The results of a study on the hydraulic performance of open-bottom canned pump intakes should aid engineers and pump users to design these systems with reduced velocity fluctuations and undesirable flow rotation. This article provides the details.
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