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  • Users: Asya
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  1. Asya

    RT and UT to Deaerators

    Hello Guys! is it necessary to apply 100% RT and UT to Deaerator as it handles water only? In addition, if I apply to the 100 % RT and UT, the fabrication is very difficult and more expensive than Full RT, is it right? i am newly in this field , that's why I need info why it so?thank u
  2. Asya

    RT and UT to Deaerator

    Hello Guys! is it necessary to apply 100% RT and UT to Deaerator as it handles water only? In addition, if I apply to the 100 % RT and UT, the fabrication is very difficult and more expensive than Full RT, is it right? i am newly in this field , that's why I need info why it so?thank u
  3. Asya

    cleanning method

    no, I need to choose only one
  4. Asya

    CS or maybe SS using

    The RSI value of RO permeate is specified from 11 to 15.8. This value means as “severe corrosion”. Further to the review of RSI, unexpected corrosion product and scale particle may affect to the operation and maintenance of demineralization package. pls advice me whether carbon steel is...
  5. Asya

    cleanning method

    Dear All, which one is better for “Feed Stream Purification and portions of Vent Recovery Systems” - chemical or abrassive cleanning?
  6. Asya

    caustic and amin service

    Dear All, which cleanning method is better for “Feed Stream Purification and portions of Vent Recovery Systems”: chemical or abrassive? and why?
  7. Asya

    ICA Condenser material choosing

    ICA Condenser option 1 "- Shell : LTCS + 3mm CA - Tube : LTCS - Tubesheet : LTCS + 6mm CA - Channel : LTCS + 3mm CA" or option 2 "- Shell : SA516 Gr.60N + 3mm CA - Tube : SA213-TP304L - Tubesheet : SA965-F304L - Channel : SA516 Gr.60N + 3mm CA" and also for Demi Water Tank option 1 "-...
  8. Asya

    caustic and amin service

    Hi! Could you pls explain caustic service and amin service? what is it
  9. Asya

    design code for structural steel

    Bidders propeses ASTM A36 material istead of S275 J2 or S355ML/NL for structural steel (Piperack, Equipment Structure, etc.) on the basis of international standards for most optimal and economical design. Is it really optimal? pls explain why
  10. Asya

    UPS battery autonomy time

    If bidder applies one UPS (Dual redundant type) system for DCS, ESD, FGS and Telecom in CCB, Satellite rack room and Substation as company recommended, what is the UPS battery autonomy time among 1 hour and 4 hours? how to calculate it?
  11. Asya

    ASTM material or S275 J2 Design Code for Structural Steel Materials

    Bidder proposes ASTM A36 material instead of S-275 J2 or S355ML/NL for structural steel (Piperack, Equipment Structure, etc.) on the basis of international standards for most optimal and economical design. Which one? help

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