DIN 2635

Pipe		Flange				Neck				Raised		Bolts				Weight of one flange 7.85 kg/dm3) kg
NW	d1	D	b	k	h1	d3	s	r	h2	d4	f	No.	Thread		d2
10	14	90	16	60	35	25	1.8	4	6	40	2	4	M12	(1/2")	14	0.661
	17.2					28
15	20	95	16	65	38	30	2	4	6	45	2					0.746
	21.3					32
20	25	105	18	75	40	38	2.3	4	6	58	2					106
	26.9					40
25	30	115	18	85	40	42	2.6	4	6	68	2					1.29
	33.7					46
32	38	140	18	100	42	52	2.6	6	6	78	2					1.88
	42.4					56
40	44.5	150	18	110	45	60	2.6	6	7	88	3					2.33
	48.3					64
50	57	165	20	125	48	72	2.9	6	8	102	3		M16	(5/8")	18	2.82
	60.3					75
65	76.1	185	22	145	52	90	2.9	6	10	122	3					3.74
80	88.9	200	24	160	58	105	3.2	8	12	138	3					4.75
100	108	235	24	190	65	128	3.6	8	12	138	3	8	M20	(3/4")	23	6.52
	114.3					134
125	133	270	26	220	68	155	4	8	12	188	3	8	M24	(7/8")	27	9.07
	139.7					162
150	159	300	28	250	75	182	4.5	10	12	188	3		M24	(7/8")		11.8
	168.3					192
175	191	350	32	295	82	215	5.6	10	16	285	3	12	M27	(1")	30	18.2
	193.7					218
200	216	375	34	320	88	240	6.3	10	16	285	3					21.5
	219.1					244
250	267	450	38	385	105	298	7.1	12	18	345	3					34.9
	273					306
300	318	515	42	450	115	352	8	12	18	410	4	16	M30	(1-1/8")	33	49.7
	323.9					362
350	355.6	580	46	510	125	408	8.8	12	20	460	4		M33	(1-1/4")	36
	368															68.1
400	406.4	660	50	585	135	462	11	12	20	535	4		M36	(1-3/8")	39
	419															96.5
500	508	755	52	670	140	562	14.2	12	20	615	4	20	M39	(1-1/2")	42
	521															117