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  • Users: zishan99
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  1. zishan99

    Wind speed for fire fighting Model

    Which wind speed (average or maximum)will considered for model an oil terminal fire fighting system.What is the limit of wind speed to be considered.
  2. zishan99

    MDMT

    OK,now i got the point. Again thanks.
  3. zishan99

    MDMT

    Again thanks metengr,i have read AM-213 (b)"Impact test temperature criteria" and it is written that examption from impact testing for austenitic chromium-nickle stainless steel types 304,304l,316,316l,321 and 347 at MDMTs of -320F(-196C)and warmer". The impact testing critaria is clear.But...
  4. zishan99

    MDMT

    Thanks metengr for your quick response.Can you please give me the referance in ASME SECTION VIII DIV-2 because our client will definately ask the basis. Regards.
  5. zishan99

    MDMT

    Pressure vessel is designed at 900# and -46c/75c design temp @97 bar pressure.Shell material is 316L and 36mm thk.Calculated MDMT is -29c by PV ELITE softwear.No heat treatment applied on the material and as per ASME SECTION VIII DIV-2 there is no impact testing requirement. Kindly advise me...
  6. zishan99

    Welding detail.for 900 # Vessel

    1.Kindly teach me regarding the welding joint detail for 36mm thk shell plate (316L) of 900 # vessel. 2.If the lifting lug is touching the capping of the welding joint b/w ellipsoidal head and shell of the vessel,than is it allowed to flush the capping to keep the lifting lug straight?Vessel is...
  7. zishan99

    stress analysis

    PAN,The compressor piping already installed and buffer tank tie-in is taken in the previous annual turnaround.I did not see any snubber at compressor discharge. Regards.
  8. zishan99

    stress analysis

    Thanks all. The tie-in is not far from the compressor discharge nozzle and both tie-in and discharge piping having same size i.e 2incn NPS. Regards.
  9. zishan99

    stress analysis

    A piping is designed to connect from compressor discharge and buffer storage tank.In case of compressor shutdown this piping will supplly nitrogen gas(as an alternate arrangement)to the plant,from the discharge piping of the compressor.The tie-in point at the discharge piping has a noticeable...
  10. zishan99

    u-PVC & c-PVC

    Thanks rconner (Civil/Environme).I need to know the design and detailing aspects of the use cpvc/upvc pipe. Regards. mechanical19k96@hotmail.com
  11. zishan99

    u-PVC & c-PVC

    What is the difference b/w u-PVC & c-PVC pipe? Can i use the c-PVC piping specs in u-PVC pipng for waste water service in a chemical plant? Thanks and regards. mechanical19k96@hotmail.com
  12. zishan99

    POST WELD HEAT TREATMENT REQUIREMENT.

    If the pipe material is API 5LX52, X65 and sizes are ranging 48" to 90" and thickness 25 to 32mm. Kindly guide me the pwht requirement in the above stated case. Regards.
  13. zishan99

    Body flange 900#

    Thanks Jt but i want to learn ASME sec-8 Div-2 code clause which allows CS flange weld to SS body on pressure containing parts. Regards.
  14. zishan99

    AISI Design Method

    In PV ELITE "BASE RING DESIGN DATA" there is an option "USE AISI DESIGN METHOD".If i use this option with 46%(%applied to bolt area * bolt stress)then i got the reasonable gusset plate and top/bottom ring thickness of the 900# vessel. Please advise the AISI DESIGN METHOD critaria. Regards.
  15. zishan99

    Body flange 900#

    We are designing a feed gas separator 900# Where the client requirement is to make shell in to two by means of body flange.The pressure is 97 bar and the temp is 75c.Shell material is 316L,body flange is sized by A-516 Gr.70 with SS clading.All the above info. have been analyed in PV ELITE...

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