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  • Positive Displacement Pumps Keep LPG Flowing
    Learn about this unique application of the Milroyal C pumps to minimize refinery flaring and reduce operating costs.
  • Positive Displacement Pump and Turbine Pump Attributes to Consider for Liquid-Based Temperature Control (.pdf)
    Rotary vane Positive Displacement (PD) pumps may be the most commonly used pumps in re-circulating chillers today. Performance and low cost have made them the favored pumps for a variety of applications. Turbine (TU) pumps are also used in re-circulating chillers, however, due to their higher
  • Brewery's pump needs no valves
    Combined with a flow meter, the positive-displacement pump accurately meters yeast flow and can reverse directions as well.
  • PT 103: Pump Monitoring
    Vibration monitoring of critical and auxiliary pumping systems helps improve machine reliability, safety, and production capability. Dynamic and positive displacement pumps produce vibrations indicative of running condition, incipient faults, and component failure. These vibrations appear
  • Integrated SIL pump protection systems prevent explosions
    The attributes of positive displacement pumps make them one of the most widely deployed pump technologies in the oil and gas market. Capable of high pressure transfer of crude oil and liquefied petroleum products, these pumps must have dedicated protection systems due to the high potential
  • Calculating the Effects of Water Hammer & Pulsations
    Quick closing valves, positive displacement pumps, and vertical pipe runs can create damaging pressure spikes, leading to blown diaphragms, seals and gaskets also destroyed meters and gauges.
  • Severe Service Valve (SSV) Solves Complex Problems
    PotashCorp needed to automate a positive displacement pumping system which would require a control valve to operate at a continuous high pressure differential. The discharge piping in their mine rises over 1000 meters to the surface, so the operating pressure can vary significantly based
  • The Case for Vacuum Boosters, and the Case for Tuthill
    Vacuum boosters are positive-displacement dry pumps that use two two-lobe rotors rotating at high RPMs in opposite directions to remove gas. When they are used separately to discharge atmosphere they are typically limited to inlet pressures of ½ an atmosphere. The vacuum booster's advantage is when

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