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Re: More questions (was still design)

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  • mobrien@zoology.uq.edu.au
    Thanks TOny and Dick, Still can t find any needle valves around here - I did find one, but it was rated at 5000psi, and cost $152, and I thought that was too
    Message 1 of 7 , Sep 7, 2001
      Thanks TOny and Dick,

      Still can't find any needle valves around here - I did find one, but
      it was rated at 5000psi, and cost $152, and I thought that was too
      much!

      I found this online - is this the type I'm after? Or isn't 1/4 turn
      sensitive enough? I'm thinking that buying online might be the
      easiest!

      <http://www.cornerhardware.com/hardware/iteminfo.pl?
      action=iteminfo&item=719852928027>

      Matt
    • Tony & Elle Ackland
      Matt ... any of these at http://www.cornerhardware.com/cgi-bin/search.pl?cat_id=4&qstring=needle&count=7 look good. Great prices too ! US$2 - US$3. I ve just
      Message 2 of 7 , Sep 8, 2001
        Matt

        > I found this online - is this the type I'm after?

        any of these at
        http://www.cornerhardware.com/cgi-bin/search.pl?cat_id=4&qstring=needle&count=7
        look good. Great prices too ! US$2 - US$3. I've just priced the same thing here at NZ$28 (US$12)

        Tony
      • Dick
        In message , mobrien@zoology.uq.edu.au writes ... I wouldn t have thought ¼ turn enough for fine control of reflux, mine has approx.
        Message 3 of 7 , Sep 8, 2001
          In message <9nc9ot+kgni@...>, mobrien@...
          writes
          > Still can't find any needle valves around here - I did find one, but
          > it was rated at 5000psi, and cost $152, and I thought that was too
          > much!
          >
          > I found this online - is this the type I'm after?  Or isn't 1/4 turn
          > sensitive enough? I'm thinking that buying online might be the
          > easiest!
          I wouldn't have thought ¼ turn enough for fine control of reflux, mine
          has approx. 4 turns from full closed to full open. Have a look at the
          Radiospares/Electromail web site on http://rswww.com/, either do a search
          for 'plumbing, valve, needle' to see their selection or look at part # 262-0713.
          This is a foot mounting needle Vv. that takes a ¼" OD Cu pipe in & has a
          3/8" ID hose fitting on the output.
          Anyone whose had anything to do with electronics or radio/tv repair
          in uk over the past 50yrs will know of RS but they've now got a very good
          selection of reasonably priced (well for uk anyhow !) plumbing bits & pieces
          in stock - including 54mm T pieces, end caps & bends & AND THEY TAKE
          PLASTIC !!!!!!!!!! The needle Vv. was selling for UKP10.46 + tax + pp this
          morning.
          >
          --
          Dick
          Fra' Auld Reekie
        • mobrien@zoology.uq.edu.au
          Thanks for all the responses. After about 20 phone calls, I eventually found a place here in Australia that could get a 3/8 needle valve in for me. It ended
          Message 4 of 7 , Sep 11, 2001
            Thanks for all the responses.

            After about 20 phone calls, I eventually found a place here in
            Australia that could get a 3/8 needle valve in for me. It ended up
            costing $25 and has a 3/8 female bsp thread either side. What that
            means is you can put whatever attachment you want either side - I've
            got a 3/8 compression fitting one side (to take the copper pipe) and
            a 'tube nipple' the other, that a plastic hose can slide onto.

            The place also has heaps of sizes in heaps of different fittings - I
            also got a combination of fittings that will allow a digital
            thermometer with a 3mm probe to be put into the top of the head, all
            with a compression fitting so it can easily be taken in and out.

            Anyway, now I have all the bits for the column - now I've just got to
            organise the boiler (Jan, expect a phone call soon!)

            Oh, the place I got the fittings is called:
            PIRTEK
            and is a hydraulic hose and fittings specialist - they are at Waycol
            in Brisbane.

            Thanks again,

            Matt
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