EN 1092-1 PN 320 Type 11 Flange Dimension

ZHAO77JIE EN 1092-1 Dimension, Type 11

DN	Mating dimensions					Outside diameter of neck A	Flange thickness	Length		Neck diameters	Corner radii R₁	Wall thickness (see 5.6.1) S
	Outside diameter D	Diameter of bolt circle K	Diameter of bolt hole L	Bolting			Flange thickness	Length		Neck diameters
	Outside diameter D	Diameter of bolt circle K	Diameter of bolt hole L	Number	Size		C₂	H₂	H₃	N₁
10	125	85	18	4	M16	17.2	24	58	6	44	4	2.6
15	130	90	18	4	M16	21.3	26	60	6	48	4	3.2
25	160	115	22	4	M20	33.7	34	78	8	68	4	5.0
40	195	145	26	4	M24	48.3	38	88	10	92	6	6.3
50	210	160	26	8	M24	63.5	42	100	10	106	6	8.0
65	255	200	30	8	M27	88.9	51	120	12	138	6	11.0
80	275	220	30	8	M27	101.6	55	130	14	156	8	12.5
100	335	265	36	8	M33	133.0	65	145	16	186	8	16.0
125	380	310	36	12	M33	168.3	75	175	20	230	8	20.0
150	425	350	39	12	M36	193.7	84	195	25	265	10	25.0
200	525	440	42	16	M39	244.5	103	235	30	345	10	30.0
250	640	540	52	16	M48	323.9	125	300	40	428	12	40.0
a For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter and the nominal value dimensions A, N3 and R1 and their tolerances are included for guidance only.