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  • Users: khanvessel
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  1. khanvessel

    Internal FBE coating on girth weld

    Hi there, I am working on an offshore project,sour crude and gas from the producing platform will be transferred to the onshore plant through a sub-sea pipeline network, theses pipeline need to be internally coated with FBE, one of the major issue which we faced on previous project is the...
  2. khanvessel

    Internal FBE coating on Girth weld

    Hi there, I am working on an offshore project,sour crude and gas from the producing platform will be transferred to the onshore plant through a sub-sea pipeline network, theses pipeline need to be internally coated with FBE, one of the major issue which we faced on previous project is the...
  3. khanvessel

    HI, I need to install a 26" flan

    HI, I need to install a 26" flange on piping system designed for 5860 psig. ASME 16.47 is limited to CL 900 only, is there any standard for flanges above 24" for CL 2500? Regards Vassel
  4. khanvessel

    Operating 380V equipment on 400V supply

    Hi there, Is it safe to operate a 3 phase 380V,50Hz equipmment (including motor, UV dryers, PLC and some other auxiliary items) on 400V,50Hz supply? Similarly 220V,50Hz on 230V, 50Hz (single Ph)? Regards
  5. khanvessel

    Is simulated heat treatment required for A350 LF2 in sour service

    There is a concern raised from one the pressure vessel manufacturer, that the test coupon for the normalized material (A 350 FL2) shall undergo simulated heat treatment. As per my understanding, forgings are exempted from this requirement per section UG-11(a) and UCS-85 (e)(f) of ASME-VIII...
  6. khanvessel

    NACE MR0175 requirement for ASTM B61/62(Bronze Alloy)

    We need to purchase bronze valve for slops system, fluid is sour. Is it required for bronze valvs manufactured from ASTM B61/62 per MSS SP-72 to be NACE MR0175 compliant? Thanks in advance for help. Regards
  7. khanvessel

    Resistivity of Crude Oil

    Hi, Does any one knows the resistivity of medium or heavy crude oil in omh-cm? Thanks
  8. khanvessel

    4" Subsea Ball Valve Design Life

    Hi, One of our client is asking to supply a 4" subsea ball valve in MEG (Mono-Ethylene Glycol) service with a design life of 50 years. Is it possible to have a valve for this much life (gurantee would be an issue I believe). Thanks
  9. khanvessel

    Vessel Material for Disulfide Oil(DSO)/Dimethyl Disulfide (DMDS)

    Hi, A storage vessel on an offshore platform to store Disulfide (DSO)/Dimethyl Disulfide (DMDS) is required, stored material is highly corrosive and flammable. Can I use plain CS vessel or CS with Inconel 625 (or any other suitable material) cladding will be required? MSDS is attached for...
  10. khanvessel

    Vessel Material for Disulfide Oil(DSO)/Dimethyl Disulfide (DMDS)

    Hi, A storage vessel on an offshore platform to store Disulfide (DSO)/Dimethyl Disulfide (DMDS) is required, stored material is highly corrosive and flammable. Can I use plain CS vessel or CS with Inconel 625 (or any other suitable material) cladding will be required? MSDS is attached for...
  11. khanvessel

    Minimum Temperature limit for SA-516-70N

    Hi, I am working on a PV having MDMT -58 degree F in wet sour enviroment, is SA-516-70 N suitable for this application? What is the minimun temp limit for SA-516-70N and where to find? Regards
  12. khanvessel

    Minimum temperature for SA-516-70N

    Hi, I am working on a PV having MDMT -58 degree F in wet sour enviroment, is SA-516-70 N suitable for this application? What is the minimun temp limit for SA-516-70N and where to find? Regards
  13. khanvessel

    Thermal Conductivity of caustic Solution

    Hi Does anyone know the thermal conductivity of 50% caustic solution (Aqueous) Thanks
  14. khanvessel

    Caustic Solution

    Hi Does anyone know the thermal conductivity of 50% caustic solution (Aqueous) Thanks
  15. khanvessel

    Tank Internal Coating

    Hi I have a utility water tank,the hypochlorite package linked to this tank will produce O2 via the chemical reactions with organics in the water. There is no O2 scavenger feed. Tank material is A-516 -70 In this case, does the tank required some lining/coating to prevent corossion. Thanks
  16. khanvessel

    VFD Motor Turn Down Ratio

    Hi I am working on an air cooled heat exchanger for glycol. This exchanger has 12 bays and each bay consist of two fan with motors, one motor is VFD compatable. I want to find out the turndown ratio for that motor. Min and max heat exchange required is 26,268 and 1,239 KW respectively. Max...
  17. khanvessel

    API 650 Conical Bottom Tank

    I need some info regarding design of API 650 tank with cone bottom, what code should be use along with 650? what type of bottom support will be required (Skirt or Legs)? and how much the slop will be? This is for SAGD water treatment application Thanks

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