DIN 2631 PN6 Welding Neck/WN Flange Dimensions

Dimension and weight of DIN2631 PN6 Welding Neck Flange
Pipe Parameter			Flange Dimension				Neck Size				Hub Size		Screw		Approx. Flange Weight
DN	ISO	DIN	D	b	k	h1	d3	s	r	h2	d4	f	No. of Holes	d2	KG/PCS
10	–	14	75	12	50	28	22	1.8	4	6	35	2	4	11	0.34
10	17.2	–	75	12	50	28	26	1.8	4	6	35	2	4	11	0.34
15	–	20	80	12	55	30	28	2	4	6	40	2	4	11	0.39
15	21.3	–	80	12	55	30	30	2	4	6	40	2	4	11	0.4
20	–	25	90	14	65	32	35	2.3	4	6	50	2	4	11	0.6
20	26.9	–	90	14	65	32	38	2.3	4	6	50	2	4	11	0.6
25	–	30	100	14	75	35	40	2.6	4	6	60	2	4	11	0.76
25	33.7	–	100	14	75	35	42	2.6	4	6	60	2	4	11	0.75
32	–	38	120	14	90	35	50	2.6	6	6	70	2	4	14	1.07
32	42.4	–	120	14	90	35	55	2.6	6	6	70	2	4	14	1.06
40	–	44.5	130	14	100	38	58	2.6	6	7	80	3	4	14	1.21
40	46.3	–	130	14	100	38	62	2.6	6	7	80	3	4	14	1.2
50	–	57	140	14	110	38	70	2.9	6	8	90	3	4	14	1.37
50	60.3	–	140	14	110	38	74	2.9	6	8	90	3	4	14	1.36
65	76.1	–	160	14	130	38	88	2.9	6	9	110	3	4	14	1.69
80	88.9	–	190	16	150	42	102	3.2	8	10	128	3	4	18	2.72
100	–	108	210	16	170	45	122	3.6	8	10	148	3	4	18	3.29
100	114.3	–	210	16	170	45	130	3.6	8	10	148	3	4	18	3.22
125	–	133	240	18	200	48	148	4	8	10	178	3	8	18	4.58
125	139.7	–	240	18	200	48	155	4	8	10	178	3	8	18	4.42
150	–	159	265	18	225	48	172	4.5	10	12	202	3	8	18	5.26
150	158.3	–	265	18	225	48	184	4.5	10	12	202	3	8	18	5.04
200	219.1	–	320	20	280	55	236	5.9	10	15	258	3	8	18	7.95
250	–	267	375	22	335	60	282	6.3	12	15	312	3	12	18	11.16
250	273	–	375	22	335	60	290	6.3	12	15	312	3	12	18	10.87
300	323.9	–	440	22	395	62	342	7.1	12	15	365	4	12	22	14.26
350	355.6	–	490	22	445	62	385	7.1	12	15	415	4	12	22	18.54
350	–	368	490	22	445	62	385	7.1	12	15	415	4	12	22	16.78
400	406.6	–	540	22	495	65	438	7.1	12	15	465	4	16	22	21.25
400	–	419	540	22	495	65	438	7.1	12	15	465	4	16	22	19.1
500	508	–	645	24	600	68	538	7.1	12	15	570	4	20	22	28.67
600	610	–	755	24	705	70	640	7.1	12	16	670	5	20	26	34.8
700	711	–	860	24	810	70	740	7.1	12	16	775	5	24	26	40.94
800	813	–	975	24	920	70	842	7.1	12	16	880	5	24	30	49.19
900	914	–	1075	26	1020	70	942	7.1	12	16	980	5	24	30	58.1
1000	1016	–	1175	26	1120	70	1045	7.1	16	16	1080	5	28	30	63.48
1200	1220	–	1405	28	1340	90	1248	8	16	20	1295	5	32	33	100.17
1400	1420	–	1630	32	1560	90	1452	8	16	20	1510	5	36	36	142.78
1600	1620	–	1830	34	1760	90	1655	9	16	20	1710	5	40	36	174.36
1800	1820	–	2045	36	1970	100	1855	10	16	20	1920	5	44	39	226.98
2000	2020	–	2265	38	2180	110	2058	11	16	25	2125	5	48	42	292.12
2200	2220	–	2475	42	2390	115	2260	12	18	25	2335	6	52	42	366.33
2400	2420	–	2685	44	2600	125	2462	13	18	25	2545	6	56	42	448.52
2600	2620	–	2905	46	2810	130	2665	14	18	25	2750	6	60	48	540.16
2800	2820	–	3115	48	3020	135	2865	15	18	30	2960	6	64	48	630.03
3000	3020	–	3315	50	3220	140	3068	16	18	30	3160	6	68	48	716.33
3200	3220	–	3525	54	3430	150	3272	16	20	30	3370	6	72	48	854.42
3400	3420	–	3735	46	3640	160	3475	18	20	35	3580	6	76	48	887.81
3600	3620	–	3970	60	3860	165	3678	18	20	35	3790	6	80	56	1202.43

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