DIN 2629 PN320 Welding Neck/WN Flange Dimensions

Dimension and weight of DIN2629 PN320 Welding Neck Flange
Pipe Parameter	d1		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	125	24	85	58	44	2.6	4	6	40	2	4	18	2.1
10	17.2	–	125	24	85	58	44	2.6	4	6	40	2	4	18	2.09
15	–	20	130	26	90	60	48	3.2	4	6	45	2	4	18	2.49
15	21.3	–	130	26	90	60	48	3.2	4	6	45	2	4	18	2.49
25	–	30	160	34	115	78	68	5	4	8	68	2	4	22	5.14
25	33.7	–	160	34	115	78	68	5	4	8	68	2	4	22	5.11
40	–	44.5	195	38	145	88	92	6.3	6	10	88	3	4	26	8.53
40	45.3	–	195	38	145	88	92	6.3	6	10	88	3	4	26	8.47
50	63.5	–	210	42	160	100	106	8	6	10	102	3	8	26	10.52
65	88.9	–	255	51	200	120	138	11	6	12	122	3	8	30	19.26
80	101.6	–	275	55	220	130	156	12.5	8	14	138	3	8	30	24.81
100	–	133	335	65	265	145	186	16	8	16	162	3	8	36	42.18
125	–	159	380	75	310	175	230	20	8	20	188	3	12	36	64.55
125	168.3	–	380	75	310	175	230	20	8	20	188	3	12	36	63.3
150	193.7	–	425	84	350	195	265	25	10	25	218	3	12	36	91.04
175	219.1	–	485	95	400	215	308	28	10	28	260	3	12	42	135.46
200	244.5	–	525	103	440	235	345	30	10	30	285	3	16	42	170.94
250	323.9	–	640	125	540	300	428	40	12	40	345	3	16	52	311.99

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