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  • Users: chiru123pc
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  1. chiru123pc

    Pump discharge line vibration at 100bar

    Dear Experts, Please find the attached CII file and Site vedio. The pump discharge line is vibrating heavily before 100bar. the process parameters are as follows; Design press= 197bar, operating press= 172bar, ope temp = 150deg C. kindly suggest to avoid the vibration. The model frequency...
  2. chiru123pc

    A333 GR 6 VS A333 GR 10

    Dear All, project requirement is A333 gr 6, but readily available based on the chemical analysis report is A333 Gr 10. Can we use this? Experts share your opinions
  3. chiru123pc

    EPDM RUBBER SHEET

    ear Experts, For cold insulation we have contraction joints where we use butyl rubber sheet used as external bellow. But cost effective we are using EPDM rubber sheet which from same family and can be folded same as butyl rubber. Can we use EPDM, experts share you opinions
  4. chiru123pc

    Manganese value is more

    Dear all, We have LTCS Pipe(18" 160 sch A333 GR. 6), completed the flattening test. In the chemical analysis report shows manganese composition value is 1.49 but the range is between. 290 to 1.06 Shal we accept dis. Experts share your opinions
  5. chiru123pc

    alternative for Flattening test for LTCS pipe

    Dear All, We are facing one problem for Flattening test of one LTCS Pipe. For Pipe Size 18” x Sch.160 (45.24 mm Thk) – Flattening test result not satisfactory because UTS machine capacity could not achieved the flattening height as per requirement. Obtained Flattening Height – 330 mm (Req...
  6. chiru123pc

    Nozzle crack

    Dear All, Please find the attached snap, we found a crack circumferentially. The nozzle size is 6" and the material is SS. The following plant is under construction and the vessel erected around 1yr back. There is an argument that because of pipe loads that are not supported yet, it...
  7. chiru123pc

    Pump Nozzle alignment check

    Dear All, At the site, we are checking alignment but the values are about 6mm (Y and Z direction). The adjustable support is about 2.5m far from the nozzle which cannot be adjusted because the pump foundation everything completed. Hence we are requesting to provide temporary supports until...
  8. chiru123pc

    steam manifold and condensate manifold

    Dear All, can any one help with steam manifold and condensate manifold tracers line support arrangement. If any site photo it is more helpful for us to proceed the work at site
  9. chiru123pc

    U BOLT PIPE SUPPORT

    Dear All, can we use U-bolt support to steam manifold and condensate manifolds
  10. chiru123pc

    Heat exchanger with expansion bellow

    thread794-430486 Reference to above thread i have a question, can any one help with good solution. Iam working in site we have heat exchangers with expansion bellow. Do we require to insulate the expansion bellow? The temperature at this portion is 230deg C, already consider the thermal...

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