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带颈对焊法兰
带颈对焊法兰是高压和交变载荷管道的常用选择。长颈锥面把管道应力过渡到法兰，适用于按 ASME B16.5 / B16.47 采购的油气、石化和电力管线。
- 执行标准
- ASME B16.5, ASME B16.47, ANSI, EN 1092-1
- 尺寸范围
- NPS 1/2–24 (B16.5); NPS 26–60 (B16.47)
- 压力等级
- Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500
- 材质
- ASTM A105, A350 LF2, A182 F304/F316, Alloy steel
- 密封面
- RF, FF, RTJ
规格摘要
| 执行标准 | ASME B16.5, ASME B16.47, ANSI, EN 1092-1 |
|---|---|
| 尺寸范围 | NPS 1/2–24 (B16.5); NPS 26–60 (B16.47) |
| 压力等级 | Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 |
| 材质 | ASTM A105, A350 LF2, A182 F304/F316, Alloy steel |
| 密封面 | RF, FF, RTJ |
典型用途
- Oil and gas pressure piping
- Petrochemical process units
- Power steam and feedwater lines
制造
Forged, heat-treated, machined, drilled, and marked. Dimensional inspection, PMI, and pressure-class facing are available with the RFQ.
检测
尺寸检验、PMI、超声波、磁粉、硬度试验和材质追溯。
