DIN 2628 PN250 Welding Neck/WN Flange Dimensions – Shanghai Aluso Metal Products Co., Ltd.

DIN 2628 PN250 Welding Neck/WN Flange Dimensions

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
	17.2	–	125	24	85	58	44	2.6	4	6	40	2	4	18	2.09
15	–	20	130	26	90	60	48	2.6	4	6	45	2	4	18	2.48
	21.3	–	130	26	90	60	48	2.6	4	6	45	2	4	18	2.47
25	–	30	150	28	105	65	60	3.6	4	8	68	2	4	22	3.56
	33.7	–	150	28	105	65	60	3.6	4	8	68	2	4	22	3.53
40	–	44.5	185	34	135	80	84	5	6	10	88	3	4	26	6.65
	48.3	–	185	34	135	80	84	5	6	10	88	3	4	26	6.58
50	–	57	200	38	150	85	95	6.3	6	10	102	3	8	26	8.17
	60.3	–	200	38	150	85	95	6.3	6	10	102	3	8	26	8.09
65	76.1	–	230	42	180	95	124	8	6	12	122	3	8	26	12.59
80	101.6	–	255	46	200	102	136	11	8	12	138	3	8	30	16.32
100	127	–	300	54	235	120	164	14.2	8	14	162	3	8	33	27.07
125	152.4	–	340	60	275	140	200	16	8	16	188	3	12	33	38.79
150	177.8	–	390	68	320	160	240	17.5	10	18	218	3	12	36	59.05
200	244.5	–	485	82	400	190	305	25	10	25	285	3	12	42	109.45
250	298.5	–	585	100	490	215	385	32	12	30	345