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  • Users: KWG53
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  1. KWG53

    Vessel Repair with no U1 form

    We tried that, they say they have no record.....the unit is 30yrs old
  2. KWG53

    Vessel Repair with no U1 form

    Yes the nameplate is intact
  3. KWG53

    Vessel Repair with no U1 form

    This is not my unit, the U1 was issued & lost,but it was before the National Board requirement so we cannot get a copy. the manufacturer probably has a copy but he won't give it to us
  4. KWG53

    Vessel Repair with no U1 form

    I've been asked to build a new shell section for a "BEM" type exchanger & reuse the existing channels. Problem is he has no U1 data report form....is this legal ? Can I build this as the original or is it deemed new conctruction ? Thanks
  5. KWG53

    SA 516 Gr 70 HIC Plate

    Can someone tell me at what level of H2S do we have to use HIC plate. I have an exchanger with a stream containing 100ppm H2S 140F to 200F @ 60psia. Is there a table or chart that will tell me this ? Thanks KWG
  6. KWG53

    Low Temp Impact Testing

    Thanks, I'm a thermal guy not Materials. I mentioned UHA 51(g) because my exchanger meets the coincident ratio criteria. I was going to set the design temp @ -350 but reading the code again I can use the lowest attainable temp which is -320.
  7. KWG53

    Low Temp Impact Testing

    I have to build a liquid nitrogen exchanger -350F design. I'm using SA240-304. Question : looking at (Div 1) UHA-51(g) does this exempt you from all impact testing or just base material ?

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