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  • Users: mOHMo
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  1. mOHMo

    EN 12516-1 - Reference diameter for WT determination

    Hello, I'm checking the Standard 12516-1 and I found two sentences that seem to be inconsistent. They era both in the Introduction of the standard: - "The internal diameter of the inlet bore of the valve, gives the reference dimension from which the tabulated wall thickness of the body are...
  2. mOHMo

    Grease fittings for valves

    Can someone help me to point out some doubts I have about grease fittings for valve? 1- where does the designations "Button Head" and "Giant Button Head" are from? The only standard stating "Button Head" that I found is DIN 3404. 2- is it correct to consider "Button Head" for 5/8" (16mm)...
  3. mOHMo

    ASME B16.34 - 2017 - Wall thickness for Multipiece valve

    Hi NDS_21, I'm not sure of fully understanding your doubt. Anyway consider as follow: tipically on side entry ball valves (this was the subject of my thread, now I see that it is not stated) the central core part cannot be disassembled from the line without disassembling the whole valve. Face...
  4. mOHMo

    ASME B16.34 - 2017 - Wall thickness for Multipiece valve

    Thank you very much
  5. mOHMo

    ASME B16.34 - 2017 - Wall thickness for Multipiece valve

    So this mean that choosing between the two methods is up to the designer? Thank you bcd for your answer.
  6. mOHMo

    ASME B16.34 - 2017 - Wall thickness for Multipiece valve

    Hi all, I'm checking last rvision of B16.34 and I'm a little bit confused about Multipiece valve wall thickness. In Paragraph 6.1.2 - c) it is stated: “(c) For multipiece valve construction, where the body consists of a central core to which are affixed two end pieces, the inside diameter, d...

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