Flange – Weld Neck, ANSI Class 2500, ASME B16.5, Ring Joint Facing (in)

Dimensions and tolerances in accordance with ANSI/ASME B16.5 for sizes 1/2″ to 24″.
Carbon steel forgings in accordance with ASTM A105.
Bolt circle diameters are 1/8 inch larger than bolt diameter.

Pipe Size(NPS)	OutsideDiameter of Flange A	Thicknessof Flange C	Diameterof Bore D	Diameterof Hub at Weld H	Diameterof Hub at Base J	Lengthof Hub K	Diameterof Raised Face T	Diameterof Grove U	GroveWidth W	GroveDepth X	Numberof Bolt Holes	Diameterof Bolt Holes	BoltCircle Diameter P
1/2	5 1/4	1 3/16	*	0.840	1 11/16	2 7/8	2 9/16	1 11/16	11/32	1/4	4	7/8	3 1/2
3/4	5 1/2	1 1/4	*	1.050	2	3 1/8	2 7/8	2	11/32	1/4	4	7/8	3 3/4
1	6 1/4	1 3/8	*	1.315	2 1/4	3 1/2	3 1/4	2 3/8	11/32	1/4	4	1	4 1/4
1 1/4	7 1/4	1 1/2	*	1.660	2 7/8	3 3/4	4	2 27/32	15/32	5/16	4	1 1/8	5 1/8
1 1/2	8	1 3/4	*	1.900	3 1/8	4 3/8	4 1/2	3 1/4	15/32	5/16	4	1 1/4	5 3/4
2	9 1/4	2	*	2.375	3 3/4	5	5 1/4	4	15/32	5/16	8	1 1/8	6 3/4
2 1/2	10 1/2	2 1/4	*	2.875	4 1/2	5 5/8	5 7/8	4 3/8	17/32	3/8	8	1 1/4	7 3/4
3	12	2 5/8	*	3.500	5 1/4	6 5/8	6 5/8	5	17/32	3/8	8	1 3/8	9
3 1/2	-	-	-	-	-	-	-	-	-	-	-	-	-
4	14	3	*	4.500	6 1/2	7 1/2	8	6 3/16	22/51	7/16	8	1 5/8	10 3/4
5	16 1/2	3 5/8	*	5.563	8	9	9 1/2	7 1/2	21/32	1/2	8	1 7/8	12 3/4
6	19	4 1/4	*	6.625	9 1/4	10 3/4	11	9	25/32	1/2	8	2 1/8	14 1/2
8	21 3/4	5	*	8.625	12	12 1/2	13 3/8	11	29/32	9/16	12	2 1/8	17 1/4
10	26 1/2	6 1/2	*	10.75	14 3/4	16 1/2	16 3/4	13 1/2	1 3/16	11/16	12	2 5/8	21 1/4
12	30	7 1/4	*	12.75	17 3/8	18 1/4	19 1/2	16	1 5/16	11/16	12	2 7/8	24 3/8