Deyuan Marine
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Carbon Steel
ANSI
China (Mainland)
Standard
Export standard packaging.
Depends on your order quantity.
Welding Neck Flange:
Class 150RF ANSI B16-5 Welding Neck Flange:
Weld Neck Flanges are designed to be joined to a piping system by butt welding.Weld Neck Flanges are preferred for high stresses to the pipe, reducing stress applications. The neck, or hub, transmits stress concentration at the base of the flange. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the flange.
| Nominal pipe size | Outside Diam | O.D. of Raised Face | at Base of Hub | Thickness | BORE | LENGTH THRU HUB | Diam of Hub at Bevel | Radius of Fillet | Thread Length |
| Welding Neck Socket Welding | Welding Neck | ||||||||
| D | G | X | t | B1 | T1 | A | R | Q | |
| 1/2 | 89 | 35.1 | 30.2 | 11.2 | 15.7 | 47.8 | 21.3 | 3.0 | 15.7 |
| 3/4 | 99 | 42.9 | 38.1 | 12.7 | 20.8 | 52.3 | 26.7 | 3.0 | 15.7 |
| 1 | 108 | 50.8 | 49.3 | 14.2 | 26.7 | 55.6 | 33.5 | 3.0 | 17.5 |
| 11/4 | 117 | 63.5 | 58.7 | 15.7 | 35.1 | 57.2 | 42.2 | 4.8 | 20.6 |
| 11/2 | 127 | 73.2 | 65.0 | 17.5 | 40.9 | 62.0 | 48.3 | 6.4 | 22.4 |
| 2 | 152 | 91.9 | 77.7 | 19.1 | 52.6 | 63.5 | 60.5 | 7.9 | 25.4 |
| 21/2 | 178 | 104.6 | 90.4 | 22.4 | 62.7 | 69.9 | 73.2 | 7.9 | 28.4 |
| 3 | 191 | 127.0 | 108.0 | 23.9 | 78.0 | 69.9 | 88.9 | 9.7 | 30.2 |
| 31/2 | 216 | 139.7 | 122.2 | 23.9 | 90.2 | 71.4 | 101.6 | 9.7 | 31.8 |
| 4 | 229 | 157.2 | 134.9 | 23.9 | 102.4 | 76.2 | 114.3 | 11.2 | 33.3 |
| 5 | 254 | 185.7 | 163.6 | 23.9 | 128.3 | 88.9 | 141.2 | 11.2 | 36.6 |
| 6 | 279 | 215.9 | 192.0 | 25.4 | 154.2 | 88.9 | 168.4 | 12.7 | 39.6 |
| 8 | 343 | 269.7 | 246.1 | 28.4 | 202.7 | 101.6 | 219.2 | 12.7 | 44.5 |
| 10 | 406 | 323.9 | 304.8 | 30.2 | 254.5 | 101.6 | 273.1 | 12.7 | 49.3 |
| 12 | 483 | 381.0 | 365.3 | 31.8 | 304.8 | 114.3 | 323.9 | 12.7 | 55.6 |
| 14 | 533 | 412.8 | 400.1 | 35.1 | 336.6 | 127.0 | 355.6 | 12.7 | 57.2 |
| 16 | 597 | 469.9 | 457.2 | 36.6 | 387.1 | 127.0 | 406.4 | 12.7 | 63.5 |
| 18 | 635 | 533.4 | 505.0 | 39.6 | 438.2 | 139.7 | 457.2 | 12.7 | 68.3 |
| 20 | 699 | 584.2 | 558.8 | 42.9 | 489.0 | 144.5 | 508.0 | 12.7 | 73.2 |
| 24 | 813 | 692.2 | 663.4 | 47.8 | 590.6 | 152.4 | 609.6 | 12.7 | 82.6 |
Welding Neck Flange:
Class 150RF ANSI B16-5 Welding Neck Flange:
Weld Neck Flanges are designed to be joined to a piping system by butt welding.Weld Neck Flanges are preferred for high stresses to the pipe, reducing stress applications. The neck, or hub, transmits stress concentration at the base of the flange. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the flange.
| Nominal pipe size | Outside Diam | O.D. of Raised Face | at Base of Hub | Thickness | BORE | LENGTH THRU HUB | Diam of Hub at Bevel | Radius of Fillet | Thread Length |
| Welding Neck Socket Welding | Welding Neck | ||||||||
| D | G | X | t | B1 | T1 | A | R | Q | |
| 1/2 | 89 | 35.1 | 30.2 | 11.2 | 15.7 | 47.8 | 21.3 | 3.0 | 15.7 |
| 3/4 | 99 | 42.9 | 38.1 | 12.7 | 20.8 | 52.3 | 26.7 | 3.0 | 15.7 |
| 1 | 108 | 50.8 | 49.3 | 14.2 | 26.7 | 55.6 | 33.5 | 3.0 | 17.5 |
| 11/4 | 117 | 63.5 | 58.7 | 15.7 | 35.1 | 57.2 | 42.2 | 4.8 | 20.6 |
| 11/2 | 127 | 73.2 | 65.0 | 17.5 | 40.9 | 62.0 | 48.3 | 6.4 | 22.4 |
| 2 | 152 | 91.9 | 77.7 | 19.1 | 52.6 | 63.5 | 60.5 | 7.9 | 25.4 |
| 21/2 | 178 | 104.6 | 90.4 | 22.4 | 62.7 | 69.9 | 73.2 | 7.9 | 28.4 |
| 3 | 191 | 127.0 | 108.0 | 23.9 | 78.0 | 69.9 | 88.9 | 9.7 | 30.2 |
| 31/2 | 216 | 139.7 | 122.2 | 23.9 | 90.2 | 71.4 | 101.6 | 9.7 | 31.8 |
| 4 | 229 | 157.2 | 134.9 | 23.9 | 102.4 | 76.2 | 114.3 | 11.2 | 33.3 |
| 5 | 254 | 185.7 | 163.6 | 23.9 | 128.3 | 88.9 | 141.2 | 11.2 | 36.6 |
| 6 | 279 | 215.9 | 192.0 | 25.4 | 154.2 | 88.9 | 168.4 | 12.7 | 39.6 |
| 8 | 343 | 269.7 | 246.1 | 28.4 | 202.7 | 101.6 | 219.2 | 12.7 | 44.5 |
| 10 | 406 | 323.9 | 304.8 | 30.2 | 254.5 | 101.6 | 273.1 | 12.7 | 49.3 |
| 12 | 483 | 381.0 | 365.3 | 31.8 | 304.8 | 114.3 | 323.9 | 12.7 | 55.6 |
| 14 | 533 | 412.8 | 400.1 | 35.1 | 336.6 | 127.0 | 355.6 | 12.7 | 57.2 |
| 16 | 597 | 469.9 | 457.2 | 36.6 | 387.1 | 127.0 | 406.4 | 12.7 | 63.5 |
| 18 | 635 | 533.4 | 505.0 | 39.6 | 438.2 | 139.7 | 457.2 | 12.7 | 68.3 |
| 20 | 699 | 584.2 | 558.8 | 42.9 | 489.0 | 144.5 | 508.0 | 12.7 | 73.2 |
| 24 | 813 | 692.2 | 663.4 | 47.8 | 590.6 | 152.4 | 609.6 | 12.7 | 82.6 |
