Flange - Expander, ANSI Class 600, B16.5 (in)
- 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
| Diameter
of Bore
| Diameter
of Bore
| Diameter
of Hub at Weld
| Diameter
of Hub at Base
| Length
of Hub
| Compound
Taper
| Slope
at Bevel
| Number
of Bolt Holes | Diameter
of Bolt Holes | Bolt
Circle Diameter
| Approx.
Weight (lb) | Design
Type |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2 x 3 | 6 1/2 | 3 5/8 | 1 | * | * | 2.375 | 3 5/16 | 2 7/8 | - | 14° | 8 | 3/4 | 5 | 12 | A |
2 x 4 | 6 1/2 | 3 5/8 | 1 | * | * | 2.375 | 3 5/16 | 2 7/8 | 1/2 | 29° ** | 8 | 3/4 | 5 | 12 | C |
3 x 4 | 8 1/4 | 5 | 1 1/4 | * | * | 3.500 | 4 5/8 | 3 1/4 | - | 13° | 8 | 7/8 | 6 5/8 | 23 | D |
4 x 6 | 10 3/4 | 6 3/16 | 1 1/2 | * | * | 4.500 | 6 | 4 | - | 21° | 8 | 1 | 8 1/2 | 42 | A |
6 x 8 | 14 | 8 1/2 | 1 7/8 | * | * | 6.625 | 8 3/4 | 4 5/8 | - | 21° | 12 | 1 1/8 | 11 1/2 | 81 | D |
8 x 10 | 16 1/2 | 10 5/8 | 2 3/16 | * | * | 8.625 | 10 3/4 | 5 1/4 | - | 19° | 12 | 1 1/4 | 13 3/4 | 117 | D |
10 x 12 | 20 | 12 3/4 | 2 1/2 | * | * | 10.750 | 13 1/2 | 6 | - | 16° | 16 | 1 3/8 | 17 | 189 | D |
12 x 14 | 22 | 15 | 2 5/8 | * | * | 12.750 | 15 3/4 | 6 1/8 | - | 10° | 20 | 1 3/8 | 19 1/4 | 226 | D |
14 x 16 | 23 3/4 | 16 1/4 | 2 3/4 | * | * | 14.000 | 17 | 6 1/2 | - | 15° | 20 | 1 1/2 | 20 3/4 | 347 | D |
16 x 18 | 27 | 18 1/2 | 3 | * | * | 16.000 | 19 1/2 | 7 | - | 14° | 20 | 1 5/8 | 23 3/4 | 481 | D |
18 x 20 | 29 1/4 | 21 | 3 1/4 | * | * | 18.000 | 21 1/2 | 7 1/4 | - | 14° | 20 | 1 3/4 | 25 3/4 | 555 | D |
20 x 24 | 32 | 23 | 3 1/2 | * | * | 20.00 | 24 | 7 1/2 | 5/8 | 28° ** | 24 | 1 3/4 | 28 1/2 | 690 | E |
24 x 30 | 37 | 27 1/4 | 4 | * | * | 24.00 | 28 1/4 | 8 | 3/4 | 28° ** | 24 | 2 | 33 | 977 | C |
- * To be specified by purchaser.
- ** The slope at the welding bevel approximates 1:3 maximum size. The flange bore has a compound angle of 18° through dimension "CT" and the remaining taper as indicated.