What is a Weld Neck Flange
A Weld Neck Flange features a long tapered hub that is butt-welded to the pipe. It is the most commonly used flange type for high pressure, high temperature, and low temperature applications.
Những ưu điểm nổi bật
- Superior stress distribution with tapered hub design
- High strength connection comparable to pipe itself
- Handles extreme conditions: high pressure, temperature, cyclic loading
- Reduced turbulence with matching bore
- Inspectable welds for quality assurance
Các ứng dụng điển hình
- High pressure steam systems
- High temperature process piping
- Cryogenic liquid gas transfer
- Corrosive medium pipelines
- Các dây chuyền sản xuất then chốt
Standards and Pressure Classes
- ASME B16.5: Class 150, 300, 600, 900, 1500, 2500
- EN 1092-1: PN6, PN10, PN16, PN25, PN40, PN63, PN100
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