Class 600 Long Weld Neck Flange Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Weld Neck OD	RF Dia.	RF Height	PCD	Hub Length	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size
		A	B	C	D	E	F	G	H
1/2	15	95	14.3	38	21.3	34.9	7	66.7	as per requirement	4	1/2	75	5/8	M14
3/4	20	115	15.9	48	26.7	42.9	7	82.6	as per requirement	4	5/8	90	3/4	M16
1	25	125	17.5	54	33.4	50.8	7	88.9	as per requirement	4	5/8	90	3/4	M16
1 1/4	32	135	20.7	64	42.2	63.5	7	98.4	as per requirement	4	5/8	95	3/4	M16
1 1/2	40	155	22.3	70	48.3	73	7	114.3	as per requirement	4	3/4	110	7/8	M20
2	50	165	25.4	84	60.3	92.1	7	127	as per requirement	8	5/8	110	3/4	M16
2 1/2	65	190	28.6	100	73	104.8	7	149.2	as per requirement	8	3/4	120	7/8	M20
3	80	210	31.8	117	88.9	127	7	168.3	as per requirement	8	3/4	125	7/8	M20
3 1/2	90	230	35	133	101.6	N/A	7	184.2	as per requirement	8	7/8	140	1	M24
4	100	275	38.1	152	114.3	157.2	7	215.9	as per requirement	8	7/8	145	1	M24
5	125	330	44.5	189	141.3	185.7	7	266.7	as per requirement	8	1	165	1 1/8	M27
6	150	355	47.7	222	168.3	215.9	7	292.1	as per requirement	12	1	170	1 1/8	M27
8	200	420	55.6	273	219.1	269.9	7	349.2	as per requirement	12	1 1/8	190	1 1/4	M30
10	250	510	63.5	343	273	323.8	7	431.8	as per requirement	16	1 1/4	215	1 3/8	M33
12	300	560	66.7	400	323.8	381	7	489	as per requirement	20	1 1/4	220	1 3/8	M33
14	350	605	69.9	432	355.6	412.8	7	527	as per requirement	20	1 3/8	235	1 1/2	M36
16	400	685	76.2	495	406.4	469.9	7	603.2	as per requirement	20	1 1/2	255	1 5/8	M39
18	450	745	82.6	546	457	533.4	7	654	as per requirement	20	1 5/8	275	1 3/4	M42
20	500	815	88.9	610	508	584.2	7	723.9	as per requirement	24	1 5/8	285	1 3/4	M42