Flange - Blind, ANSI Class 2500, B16.5, RF (in)

Flange - Blind, ANSI Class 2500, B16.5, RF (in) This datasheet is for blind flanges that have a raised face connection. Dimensions per 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.
Pipe Size (NPS)	Outside Diameter of Flange A	Diameter of Raised Face B	Thickness of Flange C	Number of Bolt Holes NBH	Diameter of Bolt Holes DBH	Bolt Circle Diameter P	Approx Weight (lb) AW
1/2	5 1/4	1 3/8	1 3/16	4	7/8	3 1/2	7
3/4	5 1/2	1 11/16	1 1/4	4	7/8	3 3/4	10
1	6 1/4	2	1 3/8	4	1	4 1/4	12
1 1/4	7 1/4	2 1/2	1 1/2	4	1 1/8	5 1/8	18
1 1/2	8	2 7/8	1 3/4	4	1 1/4	5 3/4	25
2	9 1/4	3 5/8	2	8	1 1/8	6 3/4	39
2 1/2	10 1/2	4 1/8	2 1/4	8	1 1/4	7 3/4	56
3	12	5	2 5/8	8	1 3/8	9	86
3 1/2	-	-	-	-	-	-	-
4	14	6 3/16	3	8	1 5/8	10 3/4	133
5	16 1/2	7 5/16	3 5/8	8	1 7/8	12 3/4	223
6	19	8 1/2	4 1/4	8	2 1/8	14 1/2	345
8	21 3/4	10 5/8	5	12	2 1/8	17 1/4	533
10	26 1/2	12 3/4	6 1/2	12	2 5/8	21 1/4	1025
12	30	15	7 1/4	12	2 7/8	24 3/8	1464