Class 1500 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	265	47.7	133	88.9	127	7	203.2	as per requirement	8	1 1/8	180	1 1/4	M30
4	100	310	54	162	114.3	157.2	7	241.3	as per requirement	8	1 1/4	195	1 3/8	M33
5	125	375	73.1	197	141.3	185.7	7	292.1	as per requirement	8	1 1/2	250	1 5/8	M39
6	150	395	82.6	229	168.3	215.9	7	317.5	as per requirement	12	1 3/8	260	1 1/2	M36
8	200	485	92.1	292	219.1	269.9	7	393.7	as per requirement	12	1 5/8	290	1 3/4	M42
10	250	585	108	368	273	323.8	7	482.6	as per requirement	12	1 7/8	335	2	M48
12	300	675	123.9	451	323.8	381	7	571.5	as per requirement	16	2	375	2 1/8	M52
14	350	750	133.4	495	355.6	412.8	7	635	as per requirement	16	2 1/4	405	2 3/8	M56
16	400	825	146.1	552	406.4	469.9	7	704.8	as per requirement	16	2 1/2	445	2 5/8	M64
18	450	915	162	597	457	533.4	7	774.7	as per requirement	16	2 3/4	495	2 7/8	M72
20	500	985	177.8	641	508	584.2	7	831.8	as per requirement	16	3	540	3 1/8	M76
24	600	1170	203.2	762	610	692.2	7	990.6	as per requirement	16	3 1/2	615	3 5/8	M90