Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

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

Search results for query: *

  • Users: pdprao
  • Content: Threads
  • Order by date
  1. pdprao

    Gauging pig dimensions

    A Natural Gas Pipe line is constructed with several( 24 Nos) 18"NB 6D hot induction bends for thermal expansion loops . The Induction bends are tested with gauge plates at the time of manufacture of bends at shops. The gauging checks at shop used pig with two gauge plates mounted on the...
  2. pdprao

    Hydro-test methodology for Above ground laid 18" NB natural gas pipe line.

    What is the hydro-test methodology for Natural gas pipe line with test pressure of 74 bar which is laid above ground of 800 m length . The line is designed as per ASME 31.8 and being tested separately. a) Whether Underground pipe line hydro test procedures as per API- 1110 which is based on...
  3. pdprao

    painting of coolig tower structures

    which is better paint system for cooling tower steel structures. Is it inorganic zinc silicate with two coats of high build epoxy with total DFT of 250 microns OR polyurethene 100% solids with DFT of say 600 microns. which is better system out of the above two systems when applied with SA2...
  4. pdprao

    inclined plate settler

    we need to install Inclined plate settler IPS, for make-up water pretreament for cooling tower with IPS claifier. The capacity is about 125cum\hr with output tubidity level less than 10 NTU with input level of 100 NTU. I am intrested to know , how to finalise the detention time for IPS...
  5. pdprao

    stress relieving of dished ends

    WE NEED TO FABRICATE A TORISPHERICAL DISHED END OF 4200MM DIA WITH KNUCKLE RADIOUS OF 420MM AND CROWN RADIUS OF 4200MM. MATERIALS TO ASTM A516 GR 70, THICKNESS OF PLATE 16MM , MINIMUM ACCEPTABLE THICKNESS AT KNUCKLE AREA 12MM MINIMUM. IMPACT REQUIREMENTS ARE SPECIFIED FOR MATERIALS. WHETHER...
  6. pdprao

    PIPE ELBOW DIMENSIONS ,

    S.S PIPE ELBOW TO ASA B16.9 SCH 40. 10INCH , SIZE IS ORDERD WHAT IS SUPPOSED TO BE THE DIMENSIONS OF THE ELBOW AT SAY 45 DEGREE POSITION IN CASE OF 90 DEGREE ELBOW? 1) WHETHER THE SUPPLIER CAN GIVE A FITTING WITH OD 12 MM LESS ( AS COMPUTED BY CIRCUMFRENCE MEASURED AT45DEGREE...
  7. pdprao

    CO2 MIG WELDING

    WE PROPOSE TO USE CO2 MIG WELDING FOR WELDING CRANE GIRDERSO OF 20 MM THICK FLANGS , 16MM WEB THINESS FULL PENETRATION GROVE WELDS OF RADOGRAPHIC QUALITY. WE WRE TO USE SUBMERGED ARC WELDING BUT AS AN ECONAMIC ALTERNATIVE 100% CO2 , MIG WELDING IS PROPOSED. ANY EXPERIENCE AND OBSERVATIONS...
  8. pdprao

    pipe suuports fabrication

    WE NEED TO FABRICATE BOX TYPE STEEL SUPPORTS FOR STEEM LINES, FEED WATER LINES WITH THE HELP OF CARBON STEEL CHANNELS TO FORM AS CLOSED BOX SECTIONS BY WELDING THE EDGES. IS IT NESSARY TO GASCUT /GRIND THE CHANNEL EDGES TO FACLITATE FULL PENETRATION WELDING BETWEEN TWO CHANNELS. WHAT IS THE...
  9. pdprao

    rebar fixing with epoxy for extension of rebars in rcc

    WE NEED TO PROVIDE REBARS IN RCC WITH EPOXY FILLING IN DRILLED HOLE . THIS IS BECAUSE OF SOME CHAGE IN DESIGN ADDITIONAL BARS ARE TO BE PROVIDEDIN EXITING STRUCTURE . DURING TESTING THE EPOXY FILLED REBARS GIVING ADEQUATE PULLOUT STRENGTH AND THE FAILURE IS ABOVE REBAR MATERIAL YIELD...
  10. pdprao

    re_bar couplers use in R.C.C

    WE ARE PLANNING TO USE REINFORCMENT BAR COUPLERS FOR IMPORANT RCC STRUCTURES, FOR CONNECTING BEEMS AND COLUMNS . THE COULPERS ARE PLACED JUST ON FACE OF COULEMN JOINING BEEM REINFORMENT. IS THERE ANY LIMITATION IN USING REBAR COULPERS WHICH ARE THREADED TYPE LIKE BARTEC COUPLERS, FOR BEEMS...
  11. pdprao

    purging during c.s tig welding with flat welding insert

    Is it really necessary to give argon backing gas during welding ASTM 106 GR B PIPES WITH carbon steel welding insert using tig procss.The application is for nuclear piping. ANY ASME or AWS back up is there to delete this requirement. Any expert can can give his suggestion?
  12. pdprao

    argon purging in carbon steel welding

    FOR WELDING CARBON STEEL 106-GR B OR ASTM333 -GR 6 PIPE WELDING ,IS IT REALLY NECESSARY TO KEEP BACKING GAS ( PURGING GAS) WHILE USING INSERT AT ROOT?. IF NOT USED ,WHAT WAY IT WILL AFFECT THE WELD AND ITS LIFE IN CRITICLE NUCLEAR GRADE WELDS. WELDING IS DONE BY TIG PROCESS WITH C.S...

Part and Inventory Search

Back
Top