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Thread: 3-stager unit "Grosse Bertha"

  1. #176
    -100c Club
    Join Date
    Jun 2005
    Location
    Slovenia, Europe
    Posts
    2,283
    Too big in terms of 'nozzle' of physical dimensions? Any informations about low-temperature leaking?

  2. #177
    approaching aphelion
    Join Date
    Nov 2005
    Location
    Aix-en-Pce | France
    Posts
    1,616
    Quote Originally Posted by tiborrr View Post
    @before: That's a very nice water-cooled desuperheater you got there! P.S.: Replace those Papst silent & weak fans for something stronger

    What do you think about Honeywell AEVs? They have both connection port prepared for brazing. I heard about leaking CPEVs / AEVs on low temperatures but never got my answer if it's the valve core itself that is leaking or the SAE flares itself?

    Honeywell @ Kaeltetechnik-shop.at:
    http://www.kaeltetechnik-shop.at/Exp...-B-Honeywell_1



    Specs: click!

    Thanks mate. It has a better looking now. I had to redone it a bit.

    About this CPEV, yes it works fine. I've already used it at -118C with my big 2-Stager and it didn't leak. Currently, it serves as an expansion device for the first stage here.
    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

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