Flange - Blind, ANSI Class 1500, 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 | 4 3/4 | 1 3/8 | 7/8 | 4 | 7/8 | 3 1/4 | 4 |
3/4 | 5 1/8 | 1 11/16 | 1 | 4 | 7/8 | 3 1/2 | 6 |
1 | 5 7/8 | 2 | 1 1/8 | 4 | 1 | 4 | 9 |
1 1/4 | 6 1/4 | 2 1/2 | 1 1/8 | 4 | 1 | 4 3/8 | 10 |
1 1/2 | 7 | 2 7/8 | 1 1/4 | 4 | 1 1/8 | 4 7/8 | 14 |
2 | 8 1/2 | 3 5/8 | 1 1/2 | 8 | 1 | 6 1/2 | 25 |
2 1/2 | 9 5/8 | 4 1/8 | 1 5/8 | 8 | 1 1/8 | 7 1/2 | 35 |
3 | 10 1/2 | 5 | 1 7/8 | 8 | 1 1/4 | 8 | 48 |
3 1/2 | - | - | - | - | - | - | - |
4 | 12 1/4 | 6 3/16 | 2 1/8 | 8 | 1 3/8 | 9 1/2 | 73 |
5 | 14 3/4 | 7 5/16 | 2 7/8 | 8 | 1 5/8 | 11 1/2 | 142 |
6 | 15 1/2 | 8 1/2 | 3 1/4 | 12 | 1 1/2 | 12 1/2 | 159 |
8 | 19 | 10 5/8 | 3 5/8 | 12 | 1 3/4 | 15 1/2 | 302 |
10 | 23 | 12 3/4 | 4 1/4 | 12 | 2 | 19 | 507 |
12 | 26 1/2 | 15 | 4 7/8 | 16 | 2 1/8 | 22 1/2 | 775 |
14 | 29 1/2 | 16 1/4 | 5 1/4 | 16 | 2 3/8 | 25 | 975 |
16 | 32 1/2 | 18 1/2 | 5 3/4 | 16 | 2 5/8 | 27 3/4 | 1300 |
18 | 36 | 21 | 6 3/8 | 16 | 2 7/8 | 30 1/2 | 1750 |
20 | 38 3/4 | 23 | 7 | 16 | 3 1/8 | 32 3/4 | 2225 |
22 | - | - | - | - | - | - | - |
24 | 46 | 27 1/4 | 8 | 16 | 3 5/8 | 39 | 3625 |