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Thread: Dual Stage Regulators

  1. #301
    Join Date
    Nov 2009
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    Garden Island
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    Size comparison of some normal size regulators I have to a Matheson miniature reg, from left to right Concoa 412, Linde FMD202, Victor SGT500, Matheson 3861 (dual-stage high-purity miniature).

    The SS CGA320 nut & nipple is almost as big as the reg!




  2. #302
    Join Date
    Sep 2005
    Location
    Burlington, NC
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    Many of us have purchased the following regulators in either new, mint or used condition. I just got the following list prices from Thermadyne.

    SGT500-40-320-4F-00: $830 ... http://www.dmltrading.com.sg/documentation/SGT500.pdf
    HPT500-40-320-4F-00: $409 ... http://www.dmltrading.com.sg/documentation/HPT500.pdf
    HPT270-40-320-4F-00: $296 ... http://www.dmltrading.com.sg/documen...HPT270-280.pdf
    VTS253A-320: $407 ... http://www.thermadyne.com/IM_Uploads...14_65-2007.pdf

  3. #303
    Most of these brand-name dual stage regulators we're buying go for $400+ retail. Getting a nice Concoa, Victor, Harris, etc for even $100 is a steal. You guys who picked up some of these for $15 early on should be arrested for your crimes. The regulator in this pic retails for over $1000. All stainless everything, inside & out. Sure wish I was the one to catch that deal.
    Last edited by Oreo; 06-08-2010 at 10:12 PM.

  4. #304
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    Sep 2005
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    Burlington, NC
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    For a comparison, here are some single stage regulator prices. Quite a few of us have purchased two stage regulators cheaper than these.
    Cornelius 342 - Classic $39.01 plus shipping: http://www.beveragefactory.com/draft...egulator.shtml
    Cornelius 742BF - Commercial Grade $40.87 plus shipping: http://www.beveragefactory.com/draft...egulator.shtml
    MicroMatic 642 - Premium $53.89 plus shipping: http://www.beveragefactory.com/draft...egulator.shtml
    Smith - 30 Series CO2 $75.99 plus shipping: http://www.bakersgas.com/SMI30-15-300.html
    Last edited by Left C; 06-15-2010 at 04:25 PM.

  5. #305
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    Sep 2005
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    Quote Originally Posted by herns View Post
    How would you wire up a clippard solenoid?
    Go to the first post of the Victor thread. At the bottom is a "Table of Contents." There are several different links about how to wire a Clippard solenoid. There are pictures, instructions, etc.

    You hurt my feelings by not remembering about the "Table of Contents" that I put in that long thread to help folks find things.

    Here's one that you'll see. There's more too including telling you what color wire goes where.

    Last edited by Left C; 05-28-2011 at 02:37 AM.

  6. #306
    Join Date
    Jul 2007
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    Quote Originally Posted by Left C View Post
    Have you had a chance to check out the rest of the info?
    Not yet.

    I thought of posting this pic where the leak is coming from so everyone maybe aware of their Clippard Solenoid model.
    I bought this over a year ago from Rex and was able to use it only last April 2010. I was not able to detect the leak from the solenoid for the first time I filled my CO2 tank because I thought liquid are not suppose to get over the electrical components of the solenoid.

    My first 20lb fully filled tank last only for a little over 2 mos. The 2nd fill lasted only for a week. That's when I decided to spray Better Bubble gas leak test to the solenoid.

    I wasted 2- 20lbs of CO2 only to find out later the leak is coming from the solenoid. It is so frustrating. Some folks at TPT are also having the same leak issue with the same Clippard model.

    Last edited by herns; 06-18-2010 at 10:49 PM. Reason: picture link

  7. #307
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    Sep 2005
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    I thought I found a puddy leak. I did, I did find a puddy leak!

    Quote Originally Posted by herns View Post
    ... I thought of posting this pic where the leak is coming from so everyone maybe aware of their Clippard Solenoid model. ... I wasted 2- 20lbs of CO2 only to find out later the leak is coming from the solenoid. It is so frustrating. Some folks ... are also having the same leak issue with the same Clippard model.
    I'm glad that you found your leak. It can be expensive, can't it?

    What do you think about these suggestions? There's two Phillips Head screws at opposite corners on that top plate. Can you tighten them down some more? Can you lay a bead of a sealant all the way around where the body and that plate meet? Maybe you can take the top plate off, clean the surfaces, make a gasket and put it back on. This looks fixable because of its location.
    Last edited by Left C; 06-18-2010 at 11:31 PM.

  8. Dont do that!

    Remove the 2 screws.
    Pull the the brass sleeve out.
    Inspect the rubber oring. If need be, DIY a better one or add to it somehow.
    Reassemble.

    The leak is coming from the bad oring.

  9. #309
    I agree with Orlando. The o-rings are easily damaged and they are your prime suspect & resolution if your solenoid valve is leaking. If you've got a hardware store nearby you might be able to find a replacement if it's a common size. Otherwise, try using a bit of Petroleum Jelly on the O-ring. Use it liberally (not sloppy though) and then put your solenoid valve back together. Since we're using relatively low pressure a little petroleum jelly might just solve your problem for a while and if not at least it's safe and cleans up easy.
    "Do, then talk about it.
    No do? No talk!!" - Tom Barr

  10. #310
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    Sep 2005
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    Thank you very much, Orlando and Oreo, for the great answers to the solution.

    I was really out of my league and just "throwing darts in the dark." I've never taken a solenoid apart.

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