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  1. CRN1990

    Perforated Plate in Multimedia Filter

    Hai all, We have a multimedia filter with internal pressure of 5 Bar. There is a perforated plate at the bottom of the filter with a 20mm thickness. I have used Roarks and Young formula for stress and strain to come up with the plate thickness. However I am not fully confident. The formula only...
  2. CRN1990

    Fittings on pressure vessel

    Hai all, Just to clarify an issue. We are currently fabricating a vessel and there is a socket weld that needs to be welded directly on the vessel. UW 16 f (3) states the below: (3) See below: (-a) Fittings not exceeding NPS 3 (DN 80), as shown in Figure UW-16.2, may be attached to vessels...
  3. CRN1990

    Quick Opening Closure (Clutch Door) Design

    Hai Marty, Unfortunately im in the same dilemma with you about the breech lock. Have tried finding everywhere for a proper design guide but to no avail. I guess this is a really tightly kept secret.
  4. CRN1990

    Quick Opening Closure (Clutch Door) Design

    Hai all. Good day. I would like to know how quick opening closure are designed from scratch. I understand that it takes year of experience and understanding to design one for use in pressure vessel. I cant seem to find a definitive answer on how and where to find the design calculations...
  5. CRN1990

    Flat bolted head for pressure vessel

    Hai all, Thanks so much for all the information. Greatly appreciated. Will try to send the design to a senior reviewer. Thanks again. Regards
  6. CRN1990

    Flat bolted head for pressure vessel

    SnTMan and Jano6924, Thank you so much for the reply. Greatly appreciated. So meaning, according to UG 34, we can weld the flat cover onto the vessel. But we can we use appendix 2 flange with bolted covers? Are bolted covers accepted as part of the code? Regards.
  7. CRN1990

    Flat bolted head for pressure vessel

    The image of the vessel that I left out.http://files.engineering.com/getfile.aspx?folder=ab2585c5-5359-4e4b-b33e-d7a2da2ddfbf&file=Capture.PNG
  8. CRN1990

    Flat bolted head for pressure vessel

    Hello everyone, I am facing some confusion as to what are the accepted types of head in ASME Sec VIII Div 1. I am suppose to design a vessel with a flat bolted flange for the head(as in the attached image). I was under the impression that there are only 4 types of head accepted under ASME...

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