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  • Users: ed72073
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  1. ed72073

    Pressure Vessel alterations and safety

    Ok I have attached a photo for everyone to look at and hopefully I can explain what it is I am asking. In the photo there is a pressure vessel that is used with sandblasting that comes certified from a manufacturer. Afterwards there is a flange or ring that is welded to the head pipe to allow a...
  2. ed72073

    Help me understand Thin wall Pressure vessels

    I don't know if this is the correct area for my question, but I am trying to understand what is considered a thin wall pressure vessel. First I am no expert in any way, and this site has more information that I can even understand at times, but I know I should be able to have my questioned...
  3. ed72073

    Manifolds or headers questions

    Is there a rule of thumb for welding manifolds or headers that use compressed air? I am sure there is a simple answer, but I don't know where to look, that is why I am asking here. I have two size manifolds that I need to fabricate, but I am think it needs to be done by a certified shop. These...
  4. ed72073

    Pressure vessel with pneumatic vibrator

    Hi everyone, I have been following this site for a while but never really post questions. There is more knowledge on here than I can ever interrupt, but I have some questions. First I work where there are many pressure vessels that are used for gear process blasting or peening. These are...
  5. ed72073

    Harden Metals before Heat Treat

    I am looking to use some type of metal to make a valve seat out of, this is a pneumatic valve. The original is urethane type that works well, but I want to make it out of metal without the heat treat process. I have been told that most metals have a hardness of low 20 HRC and anything above that...
  6. ed72073

    Modifying a pressure vessel

    Hi everyone, I am a newbie to this forum, but I have some question regarding modifying a double chamber pressure vessel. These vessels are purchased and certified from the manufacturer and then are modified. I feel that a vessel can be modified only if it is done by a certified person and or...

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