Flange Long Welding Neck
Long Neck Flange (LWN Flange) Stress Terminator for Extreme conditions | [Your company Name] Super Standard Manufacturing 'ASME B16.5 Class 150~2500 | Zero Leakage architecture | Full lifecycle cost optimization' Structural Revolution: The engineering Philosophy of Long Neck Design...
- Product Introduction
Long Neck Flange (LWN Flange)
Stress Terminator for Extreme conditions | [Your company Name] Super Standard Manufacturing
'ASME B16.5 Class 150~2500 | Zero Leakage architecture | Full lifecycle cost optimization'
Structural Revolution: The engineering Philosophy of Long Neck Design
Mermaid
Graph TD
A[Traditional flange stress pain point]
B[Stress concentration at weld seam] & C[Thermal deformation failure] & D[Vibration fatigue fracture]
E[Long neck solution]
F[conical neck] --> G[Stress dispersion efficiency ↑300%]
E> H[Gradient wall thickness]
I[Bending resistance ↑70%]
E> J[Extended thermal transition zone]
K[Resistance to thermal cycling ↑10x]
Peak stress ratio: Kt = σ_max/σ_nom
Long neck design → Kt↓0.3 (FEA verification) → Fatigue life ↑10 times
|
Dimension |
Standard range |
Special abilities |
|
Nominal diameter |
DN15-DN2000 |
DN3000 non-standard custom |
|
Pressure rating |
Class150-2500 |
Class4500 Ultra High voltage |
|
Neck length |
2.5 t - 7 t |
Custom 10t super long neck |
|
Testing standards |
EN 10204 3.2 |
Provide PMI+ shock reports |
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