Flange - Lap Joint, ANSI Class 2500, B16.5 (in)

on 15 February 2016. Posted in Lap Joint Flange Datasheets

Flange - Lap Joint, ANSI Class 2500, B16.5 (in) This datasheet is for lap joint flanges that have a flat face connection. Dimensions to ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard Bolt circle diameters are 1/8 inch larger than bolt diameter. 1/4" raised face is not included in dimension "C" and "M".
Pipe Size (NPS)	Outside Diameter of Flange A	Thickness of Flange C	Diameter of Bore F	Diameter of Hub at Base J	Length of Hub M	Radius R	Number of Bolt Holes NBH	Diameter of Bolt Holes DBH	Bolt Circle Diameter P	Approx Weight (lb)AW
1/2	5 1/4	1 3/16	0.90	1 11/16	1 9/16	1/8	4	7/8	3 1/2	7
3/4	5 1/2	1 1/4	1.11	2	1 11/16	1/8	4	7/8	3 3/4	8
1	6 1/4	1 3/8	1.38	2 1/4	1 7/8	1/8	4	1	4 1/4	12
1 1/4	7 1/4	1 1/2	1.72	2 7/8	2 1/16	3/16	4	1 1/8	5 1/8	17
1 1/2	8	1 3/4	1.97	3 1/8	2 3/8	1/4	4	1 1/4	5 3/4	24
2	9 1/4	2	2.46	3 3/4	2 3/4	5/16	8	1 1/8	6 3/4	37
2 1/2	10 1/2	2 1/4	2.97	4 1/2	3 1/8	5/16	8	1 1/4	7 3/4	53
3	12	2 5/8	3.60	5 1/4	3 5/8	3/8	8	1 3/8	9	80
3 1/2	-	-	-	-	-	-	-	-	-	-
4	14	3	4.60	6 1/2	4 1/4	7/16	8	1 5/8	10 3/4	122
5	16 1/2	3 5/8	5.69	8	5 1/8	7/16	8	1 7/8	12 3/4	204
6	19	4 1/4	6.75	9 1/4	6	1/2	8	2 1/8	14 1/2	314
8	21 3/4	5	8.75	12	7	1/2	12	2 1/8	17 1/4	471
10	26 1/2	6 1/2	10.92	14 3/4	9	1/2	12	2 5/8	21 1/4	897
12	30	7 1/4	12.92	17 3/8	10	1/2	12	2 7/8	24 3/8	1262

Piping Designer Logo 1