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Recent content by EagerLearner

  1. EagerLearner

    Trim 8 & Trim 5

    Hi, I heard of trim a lot but what exactly is a trim. I tried GOOGLING but dont seem to get a satisfactory answer. In fact nothing. Is there a picture of it or something? In orifice fittings, often times it is stated either standard "A" trim, NACE trim standard or AASG trim. I cant find...
  2. EagerLearner

    pump casting defects

    Its a centrifugal submersible seawater lift pump on production for a new project. These casing defects on impellers and bowls were only visible after machining. The vendor has been using the same foundry for about 10 yrs and this is the second time it happen over a short period of time. i...
  3. EagerLearner

    pump casting defects

    how can casting of the pump bowl failed? what could have caused this? can this be repaired if there are any defects? I am new and want to understand.
  4. EagerLearner

    ASME B31.3 and ASME B16.5

    Where can i get a copy of the above standards for free or at least be able to read on-line?
  5. EagerLearner

    What makes an employee invaluable?

    Give your boss or seniors answers ahead of their questions. Give them answers a day before the question are asked
  6. EagerLearner

    ASTM A276 vs ASTM A995

    Can we use bolts/nuts material ASTM A276 GR UNS S32750/UNS 32760 with ASTM A995 GRADE 4 Duplex body casting?
  7. EagerLearner

    Process taps configurations

    Hi, I am trying to learn the types of process tappings available for a process line or orifce fittings. I cant find any diagram/schematics through GOOGLE. So i was wondering if anyone here could help me with a link or something. Reason is that our end user requested for flanged connection in...
  8. EagerLearner

    Material test Certificates

    Can anyone tell me: 1)What a Dimensional Control Report (DCR) is, and if there is an example of this report that i can read? 2) A Coordinate Measurement Machine (CMM) Report is? Our manufacturer has to produe a DCR as part of a mandatory requirement from our end user. Out of this, the...
  9. EagerLearner

    Material test Certificates

    thanks waterpipe..i'll keep that in mind
  10. EagerLearner

    Material test Certificates

    The orifice plates are not the same all the time. Yes, our end user do specify their spec but they do not exactly mentioned it if it is a normal 316 SS. But for DSS and SDSS, they do ask for certain mandatory tests or certification
  11. EagerLearner

    Material test Certificates

    Thanks metengr What is the difference between Cert of Comformance and Cert of Compliance?
  12. EagerLearner

    DUPLEX AND SUPER DUPLEX STAINLESS STEEL

    gr2vessels DEP is correct. Title: Technical requirements for the supply of components in 6Mo Austenitic, 22Cr Duplex and 25Cr Super Duplex Stainless Steel. Supplier gave us a reasson that because they need to review the requirements that's why it's taking them so long to provide us with a...
  13. EagerLearner

    Material test Certificates

    Thank you Duwe6 and QCRobert. I meant purchasing finished orifice plates. Everything done by factory. We are purchase this for our end user.
  14. EagerLearner

    DUPLEX AND SUPER DUPLEX STAINLESS STEEL

    Thanks MJCronin... I dont really know much about materials. I dont know what C276 is but i will look up for more details. Our end user normally request this for seawater apllication and they have provided their materials spec and all the flow cases to size the orifice so really i dont know if...
  15. EagerLearner

    Material test Certificates

    Thanks redpicker. Good info. Normally we purchased std 316SS orifice plate and couple of times we purchased duplex or super duplex SS. so for the 316ss we normally include cert of conformance and material test rpt. we also incl hydrostatic test without chart recorder. i am new here and i was...
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