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  • Users: P1p3r
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  1. P1p3r

    Raised face vs. flat face flanges

    A 10" 1500# RF spectacle blind has a combined thickness of 2 1/2" (including the 1/4" raised faces). If I wanted to buy flat face spectacle blinds instead of raised face, then would the thickness be only 2"? Thanks, P1p3r
  2. P1p3r

    Anhydrous Ammonia Branch Piping

    All of the information that you've shared is appreciated. I will provide emergency shutdown valves at various places in the line so that the maximum "shut in" is 10,000 gallons. There are overpressure PSV's between each shutdown valve (and, in some cases, 2 PSVs). I will uses A333...
  3. P1p3r

    Anhydrous Ammonia Branch Piping

    thanks GHartmann... I meant to say that this isn't in a plant, but a ship terminal... we're offloading anhydrous ammonia from the ship to a storage tank about 500 meters away. I've uploaded a diagram of the proposed piping configuration so that you can get a better idea of what I'm doing...
  4. P1p3r

    Anhydrous Ammonia Branch Line

    mtngreen, no, not a suction line... the existing 16" line is about 12 meters in the air and the new 16" will go down to a level of about 5 meters. In other words, I will install a full 16" tee and block valve (see attached diagram) and travel up, then drop from 12 meters to about 5 meters to...
  5. P1p3r

    Anhydrous Ammonia Branch Line

    I am connecting a new 16" anhydrous amonia line to an existing 16" anhydrous ammonia line. Is there a preference for the branch orientation? I've heard that off the side or bottom of the pipe is best. Does this have to do with the vapor/liquid phase and draining liquids? Thanks!
  6. P1p3r

    Anhydrous Ammonia Branch Piping

    I am tasked with connecting a new 16" anhydrous ammonia line to an existing 16" anhydrous ammonia line. My question is... is there a preference for the connection orientation? I've heard that coming off the side or bottom of the pipe is best. Does it really make a difference? Does vapor/liquid...

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