Nominal Size			Ａ	Ｂ	C	Ｌ
Ａ	Ｂ	Wall Thickness
8	1/4	S80	14.3	22	9.6	16
10	3/8	S80	17.8	25	9.6	17
15	1/2	S80	22.2	32	9.6	18
20	3/4	S80	27.7	38	12.7	22
25	1	S80	34.5	46	12.7	23
32	11/4	S80	43.2	55	12.7	25
40	11/2	S80	49.1	65	12.7	26
50	2	S80	61.1	75	15.9	31
65	21/2	S80	77.1	95	15.9	35
80	3	S80	90.0	110	15.9	37