Gasket - Spiral Wound, for ANSI Class 600, B16.47, Series B (in)

Written by Matt Milbury on . Posted in Gasket Datasheets

Gasket - Spiral Wound (B16.20), for ANSI Class 600, B16.47, Series B (in)

  • Dimensions to ASME B16.20 - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed
  • Inner rings are recommended for all graphite filled gaskets, required for all PTFE filled gaskets.
  • The gasket outside diameter tolerance for NPS 26" through NPS 60" is ±0.06".
  • The gasket inside diameter tolerance for NPS 26" through NPS 34" is ±0.03"; for NPS 36" through NPS 60" is ±0.05".
  • The centering ring outside diameter tolerance is ±0.03".

data gasket spiral wound 1Spiral Wound Gasket Drawing

Pipe

Size

(NPS)

Inner

Ring

Inside

Diameter

A

Sealing

Element

Inside

Diameter

B

Sealing

Element

Outside

Diameter

C

Outer

Ring

Outside

Diameter

D

26 25.38 26.13 28.13 30.13
28 27.25 27.75 29.75 32.25
30 29.63 30.63 32.63 34.63
32 31.25 32.75 34.75 36.75
34 33.50 35.00 37.00 39.25
36 35.50 37.00 39.00 41.25
38 37.50 39.00 41.00 43.50
40 39.75 41.25 43.25 45.50
42 42.00 43.50 45.50 48.00
44 43.75 45.75 47.75 50.00
46 45.75 47.75 49.75 52.25
48 48.00 50.00 52.00 54.75
50 50.00 52.00 54.00 57.00
52 52.00 54.00 56.00 59.00
54 54.25 56.25 58.25 61.25
56 56.25 58.25 60.25 63.50
58 58.00 60.50 62.50 65.50
60 60.25 62.75 64.75 68.25