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  1. osuamp

    Valve seat and disc hardfacing

    I have crack problem at seat and disc hardfacing of parallel gate valve size 26 inch .It use F91 and Stellite #6 .I think many valve have the same problem.So I want to change a new valve.What material could we use? Operation temperature is 565 C and pressure is 25 bar.Fluid is steam.
  2. osuamp

    I am looking for the procedure for

    Thank you for your suggestion .My safety valve is consolidated type 1700-S2 if you have any more information please recommend me again
  3. osuamp

    I am looking for the procedure for

    I am looking for the procedure for hardfacing the drum safety valve seat (operating temp ~ 400 C) but i don't know what number of stellite for this safety valve if material of seat bushing is SA 182 F347 I would appreciate any suggestions for this answer.
  4. osuamp

    What is "valve rating" and "Valve class" ?what differencre

    What is "valve rating" and "Valve class" ?what differencre?
  5. osuamp

    Evaporative cooling

    I want to know about how to math model of efficirncy of Evaporative cooling.
  6. osuamp

    Want gate valve OD size 26 inch

    I'm finding pararell slide gate valve Diameter 26 inch for use in High Pressure steam .Could you recommend the manufacturer of this valve?
  7. osuamp

    Pararel Slide & Wedge gate valve

    What diference between Pararel Slide & Wedge gate valve .How they are different in their application? How to select between two type of valve?
  8. osuamp

    Pararel Slide & Wedge gate valve

    What diference between Pararel Slide & Wedge gate valve .How to select between two type of valve?

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