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  1. LalitMohanKothari

    UT data taken during on-stream vs shutdown - the difference?

    yes alwayes Lalit Mohan Kothari TUV NORD ôDreams and dedication makes powerful combination ô
  2. LalitMohanKothari

    UT of in service tanks

    search in www.NDT.NET NDT.ORG and so many option you can get..for acceptance you have to depend on design code... and FFS ..etc Lalit Mohan Kothari TUV NORD ôDreams and dedication makes powerful combination ô
  3. LalitMohanKothari

    Inhibitor for Hydrostatic testing Pressure Vessel

    contact water treatment co like Nalco Chemicals is the best way.... so many local chemical is available ...but contact the expert co’s Lalit Mohan Kothari TUV NORD ôDreams and dedication makes powerful combination ô
  4. LalitMohanKothari

    Recommended NDT for detection failures in Tube to tubesheet joints

    Helium leak testing / can also do vacuum testing Lalit Mohan Kothari TUV NORD “Dreams and dedication makes powerful combination “
  5. LalitMohanKothari

    B31.3 Materials

    just do the PMI for material verification ..and dimensions check then you can use ... Manufacturer marking is also in punching you also can ask for MTC i.e. 3.1 or 3.2 Lalit Mohan Kothari TUV NORD “Dreams and dedication makes powerful combination “
  6. LalitMohanKothari

    hydrostatic test duration for b31. 3 prefabricated spools

    Our company made an order for thousands of prefabricated pipe spools. The purchase order stipulates that the spools shall meet b31.3 criteria. The fabricator says he can only pressure test the spools for 1 minute as opposed to the requisite time of 10 minutes as per b31.3. Can this reduced test...
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