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  1. karthikeyan82

    Co-efficient of friction in Ball valve seat

    Hi Sir, We are using these materials in Ball Valve. In Ball Valve, hydro-static seat test is done with water and low pressure leak test is done with air. Regards, Karthik
  2. karthikeyan82

    Co-efficient of friction in Ball valve seat

    Hi, can anybody tell me what could be the friction co-efficient value of steel with PEEK and steel with Glass filled PTFE ?
  3. karthikeyan82

    Butterfly Valve Body thickness as per ASME B16.34

    thanks a lot sir
  4. karthikeyan82

    Butterfly Valve Body thickness as per ASME B16.34

    Hi BCD, Thanks for the reply. tm is the minimum wall thickness based on bore diameter mentioned as per table 3A & 3B. t as per 16.34 should be more than tm. That too is fine. Now what about t1' and t2' , how do we arrive on these values. Only when you arrive on these values you can calculate...
  5. karthikeyan82

    Butterfly Valve Body thickness as per ASME B16.34

    Hi Guys, Can anyone tell me how to interpret the terms mentioned in Fig 17 of ASME B16.34. What exactly is t1' and t2' ? Regards, Karthikhttp://files.engineering.com/getfile.aspx?folder=b1a18231-fc49-4449-b0d5-be81d5190f6d&file=ASME.JPG

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