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  • Users: cmsurfsup
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  1. cmsurfsup

    burst disk sizing for liquid flow with pump

    I'm trying to verify the burst disk capacity of an existing system. The over pressure scenario is a pump continuing to pressurize a tubing system with a valve closed downstream. I'm using the resistance flow method because the tubing between the pump and the burst disk is 1/4" but the burst...
  2. cmsurfsup

    Non-circular flat head

    I am performing a code analysis on a shop made "vessel". It is basically a piece of 3" Sch 10 SS pipe with two 5" x 7" rectangular flat heads welded on each end. Two 1/4" AN910 couplings are attached to each head for nozzles. The head joint configuration matches UW-13.2(e-1). My question is...
  3. cmsurfsup

    Old ASME "U" stamped vessel nozzles don't meet Code

    I am working on ASME B&PV Section VIII, Div. 1 calcs for an existing ASME "U" stamped vessel at my facility. The problem is that while the vessel nozzles meet the minimum thickness requirements per UG-27, they do not meet the thickness requirements of UG-45. The nozzles range from 1" to 3"...

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