Class 900 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	120	22.3	38	21.3	34.9	7	82.6	as per requirement	4	3/4	110	7/8	M20
3/4	20	130	25.4	44	26.7	42.9	7	88.9	as per requirement	4	3/4	115	7/8	M20
1	25	150	28.6	52	33.4	50.8	7	101.6	as per requirement	4	7/8	125	1	M24
1 1/4	32	160	28.6	64	42.2	63.5	7	111.1	as per requirement	4	7/8	125	1	M24
1 1/2	40	180	31.8	70	48.3	73	7	123.8	as per requirement	4	1	140	1 1/8	M27
2	50	215	38.1	105	60.3	92.1	7	165.1	as per requirement	8	7/8	145	1	M24
2 1/2	65	245	41.3	124	73	104.8	7	190.5	as per requirement	8	1	160	1 1/8	M27
3	80	240	38.1	127	88.9	127	7	190.5	as per requirement	8	7/8	145	1	M24
4	100	290	44.5	159	114.3	157.2	7	235	as per requirement	8	1 1/8	170	1 1/4	M30
5	125	350	50.8	190	141.3	185.7	7	279.4	as per requirement	8	1 1/4	190	1 3/8	M33
6	150	380	55.6	235	168.3	215.9	7	317.5	as per requirement	12	1 1/8	190	1 1/4	M30
8	200	470	63.5	298	219.1	269.9	7	393.7	as per requirement	12	1 3/8	220	1 1/2	M36
10	250	545	69.9	368	273	323.8	7	469.9	as per requirement	16	1 3/8	235	1 1/2	M36
12	300	610	79.4	419	323.8	381	7	533.4	as per requirement	20	1 3/8	255	1 1/2	M36
14	350	640	85.8	451	355.6	412.8	7	558.8	as per requirement	20	1 1/2	275	1 5/8	M39
16	400	705	88.9	508	406.4	469.9	7	616	as per requirement	20	1 5/8	285	1 3/4	M42
18	450	785	101.6	565	457	533.4	7	685.8	as per requirement	20	1 7/8	325	2	M48
20	500	855	108	622	508	584.2	7	749.3	as per requirement	20	2	350	2 1/8	M52
24	600	1040	139.7	749	610	692.2	7	901.7	as per requirement	20	2 1/2	440	2 5/8	M64