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  1. UKAndy

    Open loop / closed loop hydraulic pump difference

    Im looking at building a diesel driven hydraulic power pack using a variable displacement swash plate type piston pump. Whats the difference between an open loop and closed loop unit.
  2. UKAndy

    Air Lift Pumps

    I believe air lifts are commonly used during subsea diving ops to excavate silt from around pipelines and other subsea structures. A pipe or caisson is held vertically close to the excavation area and compressed air injected a couple of feet up from the pipe inlet. The silt travels up the pipe...
  3. UKAndy

    Haz area 150m head submersible

    I am looking for a submersible pump for use in a hazardous area (oil and gas). It needs to fit down a 12" caisson and pump oily water to a head of 150m. The idea is to empty the caisson for inspection. An air driven centrifugal submersible would be ideal but I dont know if one exists for...
  4. UKAndy

    Portable diesel fire pump for hazardous zone 2 area

    www.buchantechnical.co.uk

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