Pipe Cap Dimensions (ASME B16.9)

DN	NPS (Inches)	Outside Diameter Series A (mm)	Pipe Cap OD at Bevel (E) (mm)	Thickness T (mm)	Back to End E1 (mm)
						15	1/2	21.3	25	4.57	25
20	3/4	26.9	25	3.81	25
25	1	33.7	38	4.57	38
32	1¼	42.4	38	4.83	38
40	1½	48.3	38	5.08	38
50	2	60.3	38	5.59	44
65	2½	76.1 (73)	38	7.11	51
80	3	88.9	51	7.62	64
90	3½	101.6	64	8.13	76
100	4	114.3	64	8.64	76
125	5	139.7	76	9.65	89
150	6	168.3	89	10.92	102
200	8	219.1	102	12.7	127
250	10	273	127	12.7	152
300	12	323.9	152	12.7	178
350	14	355.6	165	12.7	191
400	16	406.4	178	12.7	203
450	18	457.2	203	12.7	229
500	20	508	229	12.7	254
550	22	559	254	12.7	254
600	24	610	267	12.7	305
650	26	660	267	-	-
700	28	711	267	-	-
750	30	762	267	-	-
800	32	813	267	-	-