Class 1500 Flanges : ASTM A182 / ASME SA182 - B16.5

WEIGHTS & DIMENSIONS
1500# STAINLESS STEEL FLANGES

Nominal Pipe Size	Outside Diameter of Flange	Thickness of Flange	Diameter of Raised Face	Diameter of Hub at Base	Length Thru Hub			Diameter or Bore			Diameter of Hub at Bevel	Radius of Fillet	Depth of Socket
	Outside Diameter of Flange	Thickness of Flange	Diameter of Raised Face	Diameter of Hub at Base	Welding Neck	Slip-On Threaded Socket	Lap Joint	Welding Neck and Socket Weld	Slip-on Socket	Lap Joint	Diameter of Hub at Bevel	Radius of Fillet	Depth of Socket
	O	Q	R	X	Y	Y	Y	J	W	B	H	r	Z
1/2	4-3/4	7/8	1-3/8	1-1/2	2-3/8	1-1/4	1-1/4	TO BE SPECIFIED BY PURCHASER	.88	.90	.84	1/8	3/8
3/4	5-1/8	1	1-11/16	1-3/4	2-3/4	1-3/8	1-3/8		1.09	1.11	1.05	1/8	7/16
1	5-7/8	1-1/8	2	2-1/16	2-7/8	1-5/8	1-5/8		1.36	1.38	1.32	1/8	1/2
1-1/4	6-1/4	1-1/8	2-1/2	2-1/2	2-7/8	1-5/8	1-5/8		1.70	1.72	1.66	3/16	9/16
1-1/2	7	1-1/4	2-7/8	2-3/4	3-1/4	1-3/4	1-3/4		1.95	1.97	1.90	1/4	5/8
2	8-1/2	1-1/2	3-5/8	4-1/8	4	2-1/4	2-1/4		2.44	2.46	2.38	5/16	11/16
2-1/2	9-5/8	1-5/8	4-1/8	4-7/8	4-1/8	2-1/2	2-1/2		2.94	2.97	2.88	5/16	3/4
3	10-1/2	1-7/8	5	5-1/4	4-5/8	2-7/8	2-7/8		3.57	3.60	3.50	3/8
4	12-1/4	2-1/8	6-3/16	6-3/8	4-7/8	3-9/16	3-9/16		4.57	4.60	4.50	7/16
5	14-3/4	2-7/8	7-5/16	7-3/4	6-1/8	4-1/8	4-1/8		5.66	5.69	5.56	7/16
6	15-1/2	3-1/4	8-1/2	9	6-3/4	4-11/16	4-11/16		6.72	6.75	6.63	1/2
8	19	3-5/8	10-5/8	11-1/2	8-3/8	5-5/8	5-5/8		8.72	8.75	8.63	1/2
10	23	4-1/4	12-3/4	14-1/2	10	6-1/4	7		10.88	10.92	10.75	1/2
12	26-1/2	4-7/8	15	17-3/4	11-1/8	7-1/8	8-5/8		12.88	12.92	12.75	1/2
14	29-1/2	5-1/4	16-1/4	19-1/2	11-3/4	9-1/2	14.14		14.18	14.00	1/2
16	32-1/2	5-3/4	18-1/2	21-3/4	12-1/4	10-1/4	16.16		16.19	16.00	1/2
18	36	6-3/8	21	23-1/2	12-7/8	10-7/8	18.18		18.20	18.00	1/2
20	38-3/4	7	23	25-1/4	14	11-1/2	20.20		20.25	20.00	1/2
24	46	8	27-1/4	30	16	13	24.25		24.25	24.00	1/2

All dimensions are in inches.

Nominal Pipe Size	Drilling				Length of Studs		Approximate Weight in Pounds
Nominal Pipe Size	Diameter of Bolt Circle	Number of Bolts	Diameter of Bolts	Diameter of Holes	1/4” Raised Face	Ring Joint	Welding Neck	Slip-on Threaded Socket	Lap Joint	Blind
1/2	3-1/4	4	3/4	7/8	4	4	9	9	9	4
3/4	3-1/2	4	3/4	7/8	4-1/4	4-1/4	7	9	9	6
1	4	4	7/8	1	4-3/4	4-3/4	9	9	9	9
1-1/4	4-3/8	4	7/8	1	4-3/4	4-3/4	10	10	10	10
1-1/2	4-7/8	4	1	1-1/8	5-1/4	5-1/4	14	14	14	14
2	6-1/2	8	7/8	1	5-1/2	5-3/4	25	25	25	25
2-1/2	7-1/2	8	1	1-1/8	6	6-1/4	36	36	36	35
3	8	8	1-1/8	1-1/4	6-3/4	7	48	48	48	48
4	9-1/2	8	1-1/4	1-3/8	7-1/2	7-3/4	73	73	73	73
5	11-1/2	8	1-1/2	1-5/8	9-1/2	9-3/4	132	132	132	142
6	12-1/2	12	1-3/8	1-1/2	10	10-1/4	164	164	164	159
8	15-1/2	12	1-5/8	1-3/4	11-1/4	11-3/4	273	258	258	302
10	19	12	1-7/8	2	13-1/4	13-1/2	454	436	485	507
12	22-1/2	16	2	2-1/8	14-3/4	15-1/4	690	667	749	775
14	25	16	2-1/4	2-3/8	16	16-3/4	940		890	975
16	27-3/4	16	2-1/2	2-5/8	17-1/2	18-1/2	1250		1150	1800
18	30-1/2	16	2-3/4	2-7/8	19-1/4	20-1/4	1625		1475	1750
20	32-3/4	16	3	3-1/8	21	22-1/4	2050		1775	2225
24	39	16	3-1/2	3-5/8	24	25-1/2	3325		2825	3625

All dimensions are in inches.