Średnica znamionowa rur i wymiary

Średnica znamionowa rur i wymiary wg typoszeregów.

DN	Cale	Din	ISO	Metryczne	Din 11850
6	1/8"	-	10,00 mm	8,00x1,00 mm	-
8	1/4"	-	13,50 mm	10,00x1,00 mm	-
10	3/8"	14,00 mm	17,20 mm	12,00x1,00 mm	12,00x1,00 mm
15	1/2"	20,00 mm	21,30 mm	18,00x1,50 mm	18,00x1,50 mm
20	3/4"	25,00 mm	26,90 mm	23,00x1,50 mm	22,00x1,50 mm
25	1"	30,00 mm	33,70 mm	28,00x1,50 mm	28,00x1,50 mm
32	1 1/4"	38,00 mm	42,40 mm	35,00x1,50 mm	34,00x1,50 mm
40	1 1/2"	44,50 mm	48,30 mm	43,00x1,50 mm	40,00x1,50 mm
50	2"	57,00 mm	60,30 mm	54,00x2,00 mm	52,00x1,50 mm
65	2 1/2"	76,10 mm	76,10 mm	69,00x2,00 mm	70,00x2,00 mm
80	3"	88,90 mm	88,90 mm	84,00x2,00 mm	85,00x2,00 mm
100	4"	108,00 mm	114,30 mm	104,00x2,00 mm	104,00x2,00 mm
125	5"	133,00 mm	139,70 mm	129,00x2,00 mm	129,00x2,00 mm
150	6"	159,00 mm	168,30 mm	154,00x2,00 mm	154,00x2,00 mm