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  • Users: hassmx0f
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  1. hassmx0f

    difference b/w L7 and B8 bolts

    Dear Experts what is the difference between ASTM A320 L7 bolts and ASTM A320 B8 bolts. can these two be installed instead of each other. Thanks
  2. hassmx0f

    can flat face flange be installed with a raised face flange

    Dear Experts I have a situation where piping flage is Raised face and the valve to which it is connecting to has a flat face. Is this acceptable? The gasket is spiralwound gasket
  3. hassmx0f

    Soft seat ball valves

    Dear Experts How can we identify if the valve is soft seated or metal seated. Thanks
  4. hassmx0f

    difference between 31.1 and 31.3

    What is the difference between 31.1 & 31.3 from inspection point of view
  5. hassmx0f

    Can oxidation be detected by Radiography

    Dear Experts It was found on my site that stainless steel joints were welded without Backpurging. Can oxidation be detected by Radiography by using some special films. The Joints does not have inspection access, what the best method to detect oxidation Thanks
  6. hassmx0f

    back seat test

    Hi there Please enlighten me with your knowledge for doing back seat test of the valve, how it shall be done. Thanks
  7. hassmx0f

    relation between strength and hardness of material

    hello Can anyone please explain me the relation between strentgh and hardness of the material?
  8. hassmx0f

    Bolt Tensioning procedure

    Dear All I have XYZ bolt tensioning Machine and ABC bolt tensioning machine. Can the procedure approved for ABC machine be used on XYZ machine?

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