Standard Practice for Design and Construction of Nonmetallic Enveloped Gaskets for Corrosive Service
|Publication Date:||10 November 1997|
|ICS Code (Seals, glands):||21.140|
1.1 This practice covers the designs, sizes, classifications, and
construction of enveloped gaskets for severe corrosive applications.
The envelope serves as the corrosion resistant member of the composite
gasket and is a nonmetallic material such as polytetrafluoroethyl
1.2 This standard is based directly upon ANSI B16.21-1992; for that reason units are as ANSI stated in inches.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.