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Recent content by Thumpick

  1. Thumpick

    Digital Flow gauge required

    The water I want at 100 ml/min is currently supplied via a pump (non adjustable) to a constant head (about head hight). It flows out of the constant head through a flow gauge with rotameter (not accurate enough), flow being controlled using a needle valve. I could in theory I could replace the...
  2. Thumpick

    Digital Flow gauge required

    Hi bimr, http://www.ukflowtechnik.com/sites/ukflowtechnik.com/files/catpdf/EM_series_Ovalgear_2012.pdf According to the data sheet for the oval gear above, it's designed for use on fuel oil, of which Petrol has a lower viscosity. Will get a price. Cheers
  3. Thumpick

    Digital Flow gauge required

    Thanks for all the replys. I don't particularly want to spend more than a few hundred. I'm using it on a 'lash up, for research purposes in the lab rather than out on nuclear significant plant. I would tolerate a +/- 3 % error if I could source one for around £500 Talking about oval gear flow...
  4. Thumpick

    Digital Flow gauge required

    I'm trying to find a digital flow gauge that will accurately measure (+/- 1%) a water flow of approx 100 ml/min. The water flows through 1/4 inch plastic pipe work and is low pressure, around 2 psi. I've searched high and low and can't find anything suitable. Any suggestions would be...
  5. Thumpick

    Problem rinsing cation/anion stream online

    Hi, The manufacturer has offered suggestions but no site visit. Rinsing for longer does not solve the problem. The conductivity settles at around 20 microS/cm. We use DI water to rinse. The new cation resin is a direct replacement from the same manufacturer. It has a different name but has the...
  6. Thumpick

    Problem rinsing cation/anion stream online

    System is: cation anion, co-flow, co-flow regeneration with sulphuric and sodium hydroxide. Fixed volume regeneration not pumped. We have two identical cation/anion streams. The problem is on both streams. We changed our cation and anon resin sometime last year with an equivalent resin. The...

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