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  • Users: Cleandive
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  1. Cleandive

    ISO 15848-1 Selection of Temperature Class and target temperature

    With respect to ISO 15848-1 is temperature class = Design temperature? Should the target temperature be the design temperature of the valve? If so where is it specified or where will it be specified? Is there any ISO standard or BS EN standard or code (not the client specification) that...
  2. Cleandive

    Standard welded Fitting in Pressure vessel

    When the standard b 16.9 fitting has long seams, for using such a standard Fitting in Pressure vessel,is it required for the pressure vessel manufacturer to obtain the WPS and PQR and get it reviewed by AI and include in the final dossier, also is PQR for the fitting required to take into...
  3. Cleandive

    Parts of Valve 4" and below from A 479 Bar

    If a specification states that the valve shall be made from A 182 Tp 316 L forging and if a manufacturer machines the valve components from A 479 SS 316L forged Bar is it OK, the valve is 3" flange rating 600 rating and is dimensioned to B 16.34, API 6D, . Where as the clause 5.4 The material...

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