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  1. Chap123

    PSV discharge into bigger Expansion Bottle

    Hello Guys, My client design a skid in which they discharge PSV into another pipe that already installed with two PSV. I dont think its a good engineering to vent relief pressure into the piping system. What you guys think? Attach is the snap shot...
  2. Chap123

    ASME B31.3 Hydrostatic Test pressure for valve

    Hello guys, Im checking process of piping system mounted on a skid. It is LPG transloading Package.Our client performed hydrotest for 1 hour at 240 psi with valves in open open position on piping. Im confused does it meet ASMEB31.3 requirements. What is the maximum hydrostatic test pressure...
  3. Chap123

    Tank Anchor Chair Bolt Specifications

    Hello Great Brainers, I have little concern related to bolting specifications for tank anchor bolt chairs. As per API 650 and our client specifications, we are required to use ATM F1554 for anchor bolts.Our client is stressing me to use ASTM 193 B7 threaded rod and A194-2H nuts ( which is for...
  4. Chap123

    Shell plate Thickness 3/16"

    I'm right now checking a design of 32 ft high and 15 ft wide tank with 1000 bbl capacity. After running Ametank software , i found shell thickness is 3/16" which is non compliant to API650 standard annex J , for shop assembled tanks. My client was insisting to approve this design as lower...

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