Gasket - Spiral Wound, for ANSI Class 900, B16.47, Series B (in)

Gasket - Spiral Wound, for ANSI Class 900, 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".
Pipe Size (NPS)	Inner Ring Inside Diameter A	Sealing Element Inside Diameter B	Sealing Element Outside Diameter C	Outer Ring Outside Diameter D
26	26.25	27.25	29.50	33.00
28	28.25	29.25	31.50	35.50
30	30.75	31.75	33.75	37.75
32	33.00	34.00	36.00	40.00
34	35.25	36.25	38.25	42.25
36	36.25	37.25	39.25	44.25
38	39.75	40.75	42.75	47.25
40	41.75	43.25	45.25	49.25
42	43.75	45.25	47.25	51.25
44	45.50	47.50	49.50	53.88
46	48.00	50.00	52.00	56.50
48	50.00	52.00	54.00	58.50