ASME B16.5 Welded Neck Flanges, PN50, 1/2-24 Inch
Key Specifications / Features
Welded Neck Flanges Manufacturer: ASME B16.5 Welded Neck Flanges, PN50 Weld Neck Flange, Forged Steel, NPS 1/2-24 Inch, OD 3.75-23.75 Inch.
Detail Information
WN CLASS 300 (IN INCH)
Weld neck flange dimensions class 300 (ASME B16.5) in inches
| Flange NPS | Inside Diameter |
Outside Diameter |
Bolt Circle (BC) |
Raised Face (R) |
Raised Face (RF) |
H | H1 | Raised Face Thickness (T) |
T1 | Flat Face Thickness (T2) |
Bolt Hole (B) |
No. of Bolt Holes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2″ | 0.62″ | 3.75″ | 2.62″ | 1.38″ | .063″ | 1.50″ | 0.84″ | 2.06″ | 0.50″ | 2.00″ | 0.62″ | 4 |
| 3/4″ | 0.82″ | 4.62″ | 3.25″ | 1.69″ | .063″ | 1.88″ | 1.05″ | 2.25″ | 0.56″ | 2.19″ | 0.75″ | 4 |
| 1″ | 1.05″ | 4.88″ | 3.50″ | 2.00″ | .063″ | 2.12″ | 1.32″ | 2.44″ | 0.63″ | 2.38″ | 0.75″ | 4 |
| 1-1/4″ | 1.38″ | 5.25″ | 3.88″ | 2.50″ | .063″ | 2.50″ | 1.66″ | 2.56″ | 0.69″ | 2.50″ | 0.75″ | 4 |
| 1-1/2″ | 1.61″ | 6.12″ | 4.50″ | 2.88″ | .063″ | 2.75″ | 1.90″ | 2.69″ | 0.75″ | 2.63″ | 0.88″ | 4 |
| 2″ | 2.07″ | 6.50″ | 5.00″ | 3.62″ | .063″ | 3.31″ | 2.38″ | 2.75″ | 0.82″ | 2.69″ | 0.75″ | 8 |
| 2-1/2″ | 2.47″ | 7.50″ | 5.88″ | 4.12″ | .063″ | 3.94″ | 2.88″ | 3.00″ | 0.94″ | 2.94″ | 0.88″ | 8 |
| 3″ | 3.07″ | 8.25″ | 6.62″ | 5.00″ | .063″ | 4.62″ | 3.50″ | 3.12″ | 1.06″ | 3.06″ | 0.88″ | 8 |
| 3-1/2″ | 3.55″ | 9.00″ | 7.25″ | 5.50″ | .063″ | 5.25″ | 4.00″ | 3.19″ | 1.13″ | 3.13″ | 0.88″ | 8 |
| 4″ | 4.03″ | 10.00″ | 7.88″ | 6.19″ | .063″ | 5.75″ | 4.50″ | 3.38″ | 1.19″ | 3.32″ | 0.88″ | 8 |
| 5″ | 5.05″ | 11.00″ | 9.25″ | 7.31″ | .063″ | 7.00″ | 5.56″ | 3.88″ | 1.32″ | 3.82″ | 0.88″ | 8 |
| 6″ | 6.07″ | 12.50″ | 10.62″ | 8.50″ | .063″ | 8.12″ | 6.63″ | 3.88″ | 1.38″ | 3.82″ | 0.88″ | 12 |
| 8″ | 7.98″ | 15.00″ | 13.00″ | 10.62″ | .063″ | 10.25″ | 8.63″ | 4.38″ | 1.56″ | 4.32″ | 1.00″ | 12 |
| 10″ | 10.02″ | 17.50″ | 15.25″ | 12.75″ | .063″ | 12.62″ | 10.75″ | 4.62″ | 1.82″ | 4.56″ | 1.12″ | 16 |
| 12″ | 12.00″ | 20.50″ | 17.75″ | 15.00″ | .063″ | 14.75″ | 12.75″ | 5.12″ | 1.94″ | 5.06″ | 1.25″ | 16 |
| 14″ | 13.25″ | 23.00″ | 20.25″ | 16.25″ | .063″ | 16.75″ | 14.00″ | 5.62″ | 2.06″ | 5.56″ | 1.25″ | 20 |
| 16″ | 15.25″ | 25.50″ | 22.50″ | 18.50″ | .063″ | 19.00″ | 16.00″ | 5.75″ | 2.19″ | 5.69″ | 1.38″ | 20 |
| 18″ | 17.25″ | 28.00″ | 24.75″ | 21.00″ | .063″ | 21.00″ | 18.00″ | 6.25″ | 2.32″ | 6.19″ | 1.38″ | 24 |
| 20″ | 19.25″ | 30.50″ | 27.00″ | 23.00″ | .063″ | 23.12″ | 20.00″ | 6.38″ | 2.44″ | 6.32″ | 1.38″ | 24 |
| 22″ | 21.25″ | 33.00″ | 29.25″ | 25.25″ | .063″ | 25.25″ | 22.00″ | 6.50″ | 2.57″ | 6.44″ | 1.62″ | 24 |
| 24″ | 23.25″ | 36.00″ | 32.0″ | 27.25″ | .063″ | 27.62″ | 24.00″ | 6.62″ | 2.69″ | 6.56″ | 1.62″ | 24 |
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