Germany standard flange DIN 2636 welding neck flanges

Germany standard flange DIN 2636 welding neck flanges; nominal pressure 64
Pipe			Flange				Neck				Raised Face		Drilling				Approx. Weight (7.85 kg/dm3) kg
Nominal Size	d1		D	b	k	h1	d3	s	r	h2	d4	f	Number of Holes	Bolt Diameter		d2
	ISO Series	DIN Series
10~40＊	Refer to DN10~40 of DIN 2637
50		57	180	26	135	62	78	2.9	6	10	95	3	4	M20	(3/4″)	23	4.55
		60.3*)					82
65		76.1*)	205	26	160	68	98	3.2	6	12	120	3	8	M20	(3/4″)	23	5.73
80		88.9*)	215	28	170	72	112	3.6	8	12	130	3	8	M20	(3/4″)	23	6.69
100		108	250	30	200	78	132	4	8	12	160	3	8	M24	(7/8″)	27	9.66
		114.3*)					138
125		133	295	34	240	88	162	4.5	8	12	185	3	8	M27	(1″)	30	15.1
		139.7*)					168
150		159	345	36	280	95	192	5.6	10	12	215	3	8	M30	(1 1/8″)	33	21.9
		168.3*)					202
-175		-191	375	40	310	105	225	6.3	10	16	245	3	12	M30	(1 1/8″)	33	23.7
		193.7*)					228
200		216	415	42	340	110	252	7.1	10	16	270	3	12	M33	(1 1/4″)	36	34.9
		219.1*)					256
250		267	470	46	400	125	310	8.8	12	18	325	3	12	M33	(1 1/4″)	36	49.6
		273*)					316
300		318	530	52	460	140	365	11	12	18	375	4	16	M33	(1 1/4″)	36	68.7
		323.9*)					372
350		368	600	56	525	150	420	12.5	12	20	435	4	16	M36	(1 3/8″)	39	94.6
		355.6*)
400		419	670	60	585	160	475	14.2	12	20	485	4	16	M39	(1 1/2″)	42	124
		406.4*)

Notes: Refer to DIN 2637 for nominal size 10-40.

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