Welding Neck Flange
Welding Neck Flange is generally referred to as a “high hub” flange. It is designed to transfer pressure to the pipe and reduce high pressure at the base of the flange.
Welding Neck Flange is a butt-welding flange with the best design among currently available flanges because of its unique structure.
Class150 ANSI B16.5 Forged Flange Size
Note: Some of the main specifications are shown below, please contact us for more details.
NPS | Outside Diam. | Diam. at Base of Hub | OD of Raised Face | Thickness | Bore of Welding Neck Socket Welding | Length Thru Hub |
D | X | G | t | B1 | T1 | |
1/2″ | 89 | 30.2 | 35.1 | 11.2 | 15.7 | 47.8 |
2″ | 152 | 77.7 | 91.9 | 19.1 | 52.6 | 63.5 |
6″ | 279 | 192.0 | 215.9 | 25.4 | 154.2 | 88.9 |
12″ | 483 | 365.3 | 381.0 | 31.8 | 304.8 | 114.3 |
24″ | 813 | 663.4 | 692.2 | 47.8 | 590.6 | 152.8 |
unit: mm
One-stop service to facilitate your purchase
The Lai Group continues to provide service and support after your purchase. To save you time, we offer you numerous value-added services such as processing, logistics management and testing.
Processing Services:
- OEM & ODM
- Protective Coatings
- Saw and Flame Cutting
- Beveling, Threading and Grooving
For more information, please contact our service team.
