WN 
规格摘要
| 执行标准 | ASME B16.5, ANSI |
|---|---|
| 尺寸范围 | NPS 1/2–24 |
| 压力等级 | Class 150, Class 300 |
| 材质 | ASTM A105, A182 F304/F316 |
| 密封面 | Flat face for stub end |
典型用途
- Lined and frequent-dismantle piping
- Alloy stub end with carbon backing flange
- Alignment-sensitive joints
制造
Backing flanges are forged and bored for the stub-end radius. Stub ends can be quoted with the flange or supplied by others.
检测
尺寸检验、PMI、超声波、磁粉、硬度试验和材质追溯。
