Abstract： ASME B16.21:2005 pdf download.Nonmetallic Flat Gaskets for Pipe Flanges. 5 MARKINGS 5.1 MaterIal Marking Unless otherwise specified by the purchaser, gasket material shall be marked with the material manufactuner’s nanw or trademark and m...

ASME B16.21:2005 pdf download.Nonmetallic Flat Gaskets for Pipe Flanges.

5 MARKINGS

5.1 MaterIal Marking

Unless otherwise specified by the purchaser, gasket material shall be marked with the material manufactuner’s nanw or trademark

and material designation.

5.2 Gasket Marking

Caskets shall be packaged with NPS, Class, gasket manufacturer’s name, material designation. thickness. and ASME B16.21 marked or tagged on the package or gasket at the option of the manufacturer, the DN designation may be included.

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