Class 600 Raised Face Weld Neck Orifice Flanges Dimensions

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Weld Neck OD	Welding Neck Length	RF Dia.	RF Height	PCD	Orifice Hole dia	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E	F	G	H	I
1	25	125	36.6	54	33.5	81	50.8	7	88.9	6.4	4	5/8	125	3/4	M16	5.5
1 1/2	40	155	36.6	70	48.3	84	73	7	114.3	6.4	4	3/4	135	7/8	M20	7.8
2	50	165	36.6	84	60.3	84	92.1	7	127	6.4	8	5/8	125	3/4	M16	8.3
2 1/2	65	190	36.6	100	73	87	104.8	7	149.2	6.4	8	3/4	135	7/8	M20	10.8
3	80	210	36.6	117	88.9	87	127	7	168.3	9.5	8	3/4	135	7/8	M20	12.6
4	100	275	38.1	152	114.3	102	157.2	7	215.9	12.7	8	7/8	150	1	M24	19
6	150	355	47.7	222	168.3	117	215.9	7	292.1	12.7	12	1	180	1 1/8	M27	37
8	200	420	55.6	273	219.1	133	269.9	7	349.2	12.7	12	1 1/8	195	1 1/4	M30	53
10	250	510	63.5	343	273	152	323.8	7	431.8	12.7	16	1 1/4	220	1 3/8	M33	86
12	300	560	66.7	400	323.8	156	381	7	489	12.7	20	1 1/4	230	1 3/8	M33	102
14	350	605	69.9	432	355.6	165	412.8	7	527	12.7	20	1 3/8	240	1 1/2	M36	150
16	400	685	76.2	495	406.4	178	469.9	7	603.2	12.7	20	1 1/2	260	1 5/8	M39	190
18	450	745	82.6	546	457.2	184	533.4	7	654	12.7	20	1 5/8	280	1 3/4	M42	240
20	500	815	88.9	610	508	190	584.2	7	723.9	12.7	24	1 5/8	300	1 3/4	M42	295
24	600	940	101.6	718	609.6	203	692.2	7	838.2	12.7	24	1 7/8	335	2	M48	365
		A	B	C	D	E	F	G	H	I
Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Weld Neck OD	Welding Neck Length	RF Dia.	RF Height	PCD	Orifice Hole dia	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg