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  1. trevornelson

    Help required to identify markings on studs and nuts on older USA pressure vessel.

    Hi Guys and Galls, I am looking to do some refurb work to a seal surface of an older vessel used in a test lab. I will be pushing the seal diameter out slightly so need to reassess the pressure rating and stud capacity. I am struggling to work out what the stud markings indecate as I am from...
  2. trevornelson

    Vessel assesment of 60's multilayer vessel.

    Hi all I am looking for some advice on multi layered vessels. We use a 1964 multilayered vessel in our test facility for pressure testing in the UK. It does not present us any problems in day to day use however it is due for maintinance cleaning and repainting. I am considering having it...
  3. trevornelson

    Can you use PD5500 for vessel design for BRAZIL or should it be ASME?

    Hi everyone. I am looking to place a vessel in Brazil within a new facility we are constructing. I am looking for advice on suitable design codes for vessels deployed in Brazil as NR13 does not list any approved country codes such as ASME or PD5500 etc and isn't really a route to compliance...
  4. trevornelson

    Can a quick opening vessel be U stamped?

    Hi all, The question is: Many closure manufacturers advertise that they can supply U stamp and u-2A partial data reports. Can you U stamp a QOC as it isn't a pressure retaining part until it is welded into a vessel and cannot be pressure tested until welded in? In Europe the complete vessel is...

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