Dimensions

Nominal diameter (DN), inches, pipe diameter (Ø) and bend radius (R) in mm for all three standards. An empty cell means that size is not in that standard.

DN	Inch	ISO		Metric		Metric+100
DN	Inch	Ø	R	Ø	R	Ø	R
15	½	21.3	38
20	¾	26.9	38
25	1	33.7	38	30	38	30	125
32	1¼	42.4	48	38	50	38	132
40	1½	48.3	57	44.5	60	44	140
50	2	60.3	76	54	73	54	150
65	2½	76.1	95	69	95	69	165
75	3					79	175
80	3	88.9	114	84	123	84	180
100	4	114.3	152	104	150	104	200
125	5	139.7	190	129	188	129	225
150	6	168.3	229	154	225	154	250
200	8	219.1	305	205	300	205	300
250	10	273	381	256	375	255	350
300	12	323.9	457	306	450	306	400
350	14	355.6	533	356	525	356	450
400	16	406.4	610	408	600	408	500
450	18					458	550
500	20	508	762	508	750	508	600
600	24	610	914	608	900	608	700
700	28	711	1067	710	1050	710	800
800	32	813	1219	810	1200	810	900
900	36	914	1372	910	1350	910	1000
1000	40	1016	1524	1012	1500	1012	1100