对焊法兰 3
认证标准
ASME B16.5
ISO 7005
导言
颈部对焊法兰有一个焊接在管道或圆筒上的锥形颈部。它是一种坚固的一体式法兰，密封性优于平焊法兰。它适用于高压、高温或严格的密封要求。
A neck butt-welding flange has a cone-shaped neck welded to a pipe or cylinder. It’s a strong, one-piece flange that seals better than flat weld flanges. But it uses more materials and costs more to make because it needs forging. It’s suitable for high-pressure, temperature, or strict sealing needs.
