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1988 Edition, March 1988

Complete Document

Metallic Gaskets for Raised-Face Pipe Flanges and Flanged Connections (Double-Jacketed Corrugated and Spiral-Wound)

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Superseded By: ANSI B16.20

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W/D S/S BY ANSI B16.20 (92/93)
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Description / Abstract:

This standard is a purchase specification for metallic, flat, ring-shaped gaskets for use in circular, raised-face, flanged pipe joints as described in ANSI B16.5, API Standard 605, and MSS SP-44. Two types of gaskets are covered: double-jacketed corrugated gaskets and spiral-wound gaskets. Nominal sizes correspond to the nominal pipe sizes (NPS) in ASME B36.10M and to the pipe outside diameter (OD), in inches, when NPS is beyond the scope of ASME B36.10M. Certain sizes of these gaskets cannot be used with all flange types or flange bores (see 1.2.1 and Appendix B).

This standard provides dimensions for doublejacketed corrugated and spiral-wound gaskets for use with all sizes and classes of raised-face steel pipe flanges conforming to ANSI B16.5, API Standard 605, and MSS SP-44 -(see Appendix A), except the following:

a. Class 75, all sizes.

b. NPS 3½, all classes.