Gaskets,Packings, & Seals Inc.  P.O. Box 509  Parkersburg, WV 26102  Tel: 304-422-3880 Fax: 304-422-9476

Large Diameter Spiral Wound Dimensions
To suite ASME B16.20 for use with B16.47
Series B MSS SP-44 Flanges
CLASS 300
		GASKET			OUTER
NPS	INNER	INSIDE	OUTSIDE		RING
	RING	DIAMETER	DIAMETER		O.D.
26	25.75	27.00	29.00		32.88
28	27.75	29.00	31.00		35.38
30	29.75	31.25	33.25		37.50
32	31.75	33.50	35.50		39.63
34	33.75	35.50	37.50		41.63
36	35.75	37.63	39.63		44.00
38	37.50	38.50	40.00		41.50
40	39.50	40.25	42.13		43.88
42	41.50	42.25	44.13		45.88
44	43.50	44.50	46.50		48.00
46	45.38	46.38	48.38		50.13
48	47.63	48.63	50.63		52.13
50	49.00	51.00	53.00		54.25
52	52.00	53.00	55.00		56.25
54	53.25	55.25	57.25		58.75
56	55.25	57.25	59.25		60.75
58	57.00	59.50	61.50		62.75
60	60.00	61.50	63.50		64.75

Email: help@sealsolutions.com