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  1. BenLaidlaw

    Centrifugal Pump Dead Head

    Although an ARV would be ideal, for the small application and budget it cannot be justified. After doing some thinking about the most fool proof way to provide a constant 3 bar pressure in the valve test piece I have decided to use a manual globe valve in the minimum flow spillback loop as...
  2. BenLaidlaw

    Centrifugal Pump Dead Head

    Thank you for all the responses Bimir/ LittleInch - Although I have no experience in designing recirculation loops, from reading it does not seem to difficult. Ie size an orifice to set the pressure in the loop equal to 3 bar; which will provide a steady 3 bar pressure to the valve test piece...
  3. BenLaidlaw

    Centrifugal Pump Dead Head

    bimir - the test unit is already in place, however I am to design a water recirculation system to fill the valves either in the test unit, or larger flanged up valves. Ie water into valve from tank, down to sump, and a submersible sump pump back to the original tank. The design I am currently...
  4. BenLaidlaw

    Centrifugal Pump Dead Head

    Thanks for all replies. Inevitably if the system fails it will be my responsibility. Additionally the water system has to produce a steady pressure of 3 bar for valve seat testing. I would imagine an accumulator would have the advantage of producing a more steady state flow to the valve test...
  5. BenLaidlaw

    Centrifugal Pump Dead Head

    Hi Artisi, thanks for replying! I should mention that I am designing a complete new system and only currently in design stage. Ie test facility not in operation and I am still to obtain components. The requirements are approx. 10 gpm and relatively low pressure (5 bar). The water system will...
  6. BenLaidlaw

    Centrifugal Pump Dead Head

    Hi all, I am placement student completing a project for a valve testing facility, where a water system is to fill up valves at low pressure (3-5 bar). The water comes from a large tank through a pump and enters a flanged valve (closed system). My question is whether running a centrifugal pump...
  7. BenLaidlaw

    Valve Test Facility

    I am a mech eng placement student currently designing a water recirculation system for a valve testing facility. The system is a low pressure system (3-4 bar) where water is to come from a primary tank to a pump and fill up a flanged valve to 3-4 bar. The water is then directed to a sump...

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