Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations waross on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: rtsd
  • Order by date
  1. rtsd

    Temporary Repairs on Piping

    As per API-570, metallic welded sleeve on pipe at low thickness locations is considered as Temporary Repair. What is the engineering reason behind due to which this type of repair can't perform like the original pipe , while the sleeve thickness and fillet weld sizes are calculated as per ASME...
  2. rtsd

    Methods of repairing Storage Tanks

    Methods of repairing Storage Tanks shell with out of roundness and plumbness exceeds the dimensional tolerances given in API-653 & API-650.??? Acceptance criteria for sagging & Bulging of roof plates and methods of repair if exceeds the criteria??
  3. rtsd

    Replacement Criteria of EDC Furnace Tubes

    We have EDC (Ethylene Die Chloride) furnace in VCM (Vinyl Chloride Monomer) plant, Design Temp. is 490C and Design Pressure is 4137 KPa, material of tube is Incoloy 800H, we have frequent failures in radiant section, by metallography we found internal oxidation of the tube, we have a NDT meter...
  4. rtsd

    Corrosion of SS-304 in Vinyl Chloride service with Moisture

    yes Vinyl Chloride is in liquide form and the there is uniform corrosion of ball and seat of ball valve of SS-304/304L. Pitting corrosion is the type of corrosion.
  5. rtsd

    Corrosion of SS-304 in Vinyl Chloride service with Moisture

    We have SS-304 pipeline to handle the recovery of Vinyl Chloride from PVC reactor, it has moisture causing HCL, there is no problem with SS-304 pipeline but Ball Valve of SS-304 installed on this line having corrosion. Kindly guide how to overcome this problem either by material upgradation or...
Back
Top