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This International Standard partially supersedes BS 1006:1990
This is more or less a diagnostic test with respect to the circular interpolation
PD 5500:2006 supersedes PD 5500:2003 which has been withdrawn
pipes and ducts etc that require foam insulation
which facilitates the use of IEC 60146‑1‑1:2009
Industrial valves. Shell design strength - Tabulation method for steel valve shells Ingestion-build-232773 This International Standard partially supersedes1 Scope This European Standard specifies the tabulation method for determining the wall thickness of valve bodies, bonnets and covers with essentially circular cross section made in forged, cast or fabricated steel. For valve shells with oval, rectangular or non circular shapes, see 8. 6. The range of PN or Class designations for which thicknesses are tabulated is: PN 2,5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN