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  • Users: rajat84
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  1. rajat84

    Minimise heat loss during internal insulation

    Hey, We are vessel fabricators and have the vessel made of carbon steel. Customer wants internal insulation rather the external. Because of the grid supports being welded directly to the vessel, (as shown in the attached figure), there will be heat loss through grid support. Is there any...
  2. rajat84

    Local load on shell

    Can someone advice on what Apply loading (reference PD5500:2006, Annex G.2) 1.Circumfrential bending moment due to a radial line load variation around circumference ? 2.Longitiudinal moment from radial line load variation around circumference ? 3.Circumfrential membrane force from radial...
  3. rajat84

    weld on weld

    I am designing a heat exchanger (nuclear) where I have tubesheet circulating around the shell. Tube sheet is connected to shell using filet weld. Part of the fillet weld also passes from through the longitudinal seam creating weld on weld situaition. Vessel is designed to ASME VIII Div.1 and...
  4. rajat84

    Size of the Universal beam to lift 50 tons ?

    Hi All, Can anyone advice me on the minimum size of I-beam or Universal beam required to lift 50 ton of weight. Material- BSEN10025 S275JR and length of 1500 mm.Hence the load comes to around 151 Kg/mm with the safety factor of 5. Any advice greatly appreciated.
  5. rajat84

    Flange rating

    Material SA 182 F 316L Pressure temperature rating -2.2-3 (ASME B16.5 –Refrence) Design temperature- 80 Design Pressure - 16 bar As per ASME B16.5 Flange rating I cannot use class 150 as my pressure is above by 1 bar and if I use class 300 it is costly and has got very high rating than...
  6. rajat84

    Reinforcing pad crosses over the longitudinal seam

    Dear All I am design ASME U stamp vessel. I wanted if weld on weld is premitted in ASME, i.e. longitudinal seam is run over by reinforcing pad weld. Ideally I am trying to do 100% radiography before aand aafter weld. I cannot find in ASME code if it is allowed? Any views greatly appreciated.
  7. rajat84

    Show weld detail on Ansys

    Dear Frnds, Please can someone tell me as how can I show the weld detail on ansys example:- Nozzle is welded to pressure vessel. Please can someone show me as how can I show on ansys.
  8. rajat84

    Auto CAD to Ansys

    How do I transfer AutoCAD 2008 drwgs to Ansys ?
  9. rajat84

    WELD NECK FLANGE DIMENSION NOT UNDER ASME B16.5

    I have designed a shell of 406.4 mm and there is no weld neck flange having nominal bore of that dimension. The closest I can find is flange dimension if nominal bore 387.4 mm, I donot want to machine the flange as it will reduce the strength. Please advice me as to machine the entire flange...

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