Class 150 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	90	9.6	30	21.3	34.9	2	60.3	as per requirement	4	1/2	50	55	5/8	M14
3/4	20	100	11.2	38	26.7	42.9	2	69.9	as per requirement	4	1/2	50	65	5/8	M14
1	25	110	12.7	49	33.4	50.8	2	79.4	as per requirement	4	1/2	55	65	5/8	M14
1 1/4	32	115	14.3	59	42.2	63.5	2	88.9	as per requirement	4	1/2	55	70	5/8	M14
1 1/2	40	125	15.9	65	48.3	73	2	98.4	as per requirement	4	1/2	65	70	5/8	M14
2	50	150	17.5	78	60.3	92.1	2	120.7	as per requirement	4	5/8	70	85	3/4	M16
2 1/2	65	180	20.7	90	73	104.8	2	139.7	as per requirement	4	5/8	75	90	3/4	M16
3	80	190	22.3	108	88.9	127	2	152.4	as per requirement	4	5/8	75	90	3/4	M16
3 1/2	90	215	22.3	122	101.6	139.7	2	177.8	as per requirement	8	5/8	75	90	3/4	M16
4	100	230	22.3	135	114.3	157.2	2	190.5	as per requirement	8	5/8	75	90	3/4	M16
5	125	255	22.3	164	141.3	185.7	2	215.9	as per requirement	8	3/4	85	95	7/8	M20
6	150	280	23.9	192	168.3	215.9	2	241.3	as per requirement	8	3/4	85	100	7/8	M20
8	200	345	27	246	219.1	269.9	2	298.5	as per requirement	8	3/4	90	110	7/8	M20
10	250	405	28.6	305	273	323.8	2	362	as per requirement	12	7/8	100	115	1	M24
12	300	485	30.2	365	323.8	381	2	431.8	as per requirement	12	7/8	100	120	1	M24
14	350	535	33.4	400	355.6	412.8	2	476.3	as per requirement	12	1	115	135	1 1/8	M27
16	400	595	35	457	406.4	469.9	2	539.8	as per requirement	16	1	115	135	1 1/8	M27
18	450	635	38.1	505	457.2	533.4	2	577.9	as per requirement	16	1 1/8	125	145	1 1/4	M30
20	500	700	41.3	559	508	584.2	2	635	as per requirement	20	1 1/8	140	160	1 1/4	M30
24	600	815	46.1	663	610	692.2	2	749.3	as per requirement	20	1 1/4	150	170	1 3/8	M33