Nominal pipe size		Outside Diameter at Bevel		Center to End			Center to Center		Back to Faces
				45° Elbows	90°Elbows		180°Return
				H	F		P		K
DN	INCH	Series A	Series B	LR	LR	SR	LR	SR	LR	SR
15	1/2	21.3	18	16	38	-	76	-	48	-
20	3/4	26.9	25	16	38	-	76	-	51	-
25	1	33.7	32	16	38	25	76	51	56	41
32	1_1/4	42.4	38	20	48	32	95	64	70	52
40	1_1/2	48.3	45	24	57	38	114	76	83	62
50	2	60.3	57	32	76	51	152	102	106	81
65	2_1/2	76.1(73)	76	40	95	64	191	127	132	100
80	3	88.9	89	47	114	76	229	152	159	121
90	3_1/2	101.6	-	55	133	89	267	178	184	140
100	4	114.3	108	63	152	102	305	203	210	159
125	5	139.7	133	79	190	127	381	254	262	197
150	6	168.3	159	95	229	152	457	305	313	237
200	8	219.1	219	126	305	203	610	406	414	313
250	10	273.0	273	158	381	254	762	508	518	391
300	12	323.9	325	189	457	305	914	610	619	467
350	14	355.6	377	221	533	356	1067	711	711	533
400	16	406.4	426	253	610	406	1219	813	813	610
450	18	457.2	478	284	686	457	1372	914	914	686
500	20	508.0	529	316	762	508	1524	1016	1016	762
550	22	559	-	347	838	559	*NOTE*： 1)、Do not use the figures in the parenthesis as far as possible。 2)、please first select A series 。
600	24	610	630	379	914	610
650	26	660	-	410	991	660
700	28	711	720	442	1067	711
750	30	762	-	473	1143	762
800	32	813	820	505	1219	813
850	34	864	-	537	1295	864
900	36	914	920	568	1372	914
950	38	965	-	600	1448	965
1000	40	1016	1020	631	1524	1016
1050	42	1067	-	663	1600	1067
1100	44	1118	1120	694	1676	1118
1150	46	1168	-	726	1753	1168
1200	48	1220	1220	758	1829	1219