01
材料核实
RFQ 列出不锈钢、双相钢、镍合金等牌号时，我们规划 PMI 与炉号追溯。
02
压力与尺寸检查
壳体、密封、气压、尺寸与功能检查按产品标准和批准的 ITP 执行。
03
项目文件
材质证明、检验记录、试验报告、图纸、MDR 及第三方见证点在报价阶段确认。
买方证据清单
报价前应确认的事项
- ✓ 阀门类型与工况
- ✓ 口径与压力等级
- ✓ 阀体、内件与阀座材料
- ✓ 端部连接与结构长度
- ✓ 驱动与附件
- ✓ 试验、检验与文件目录
| Table description | |||
|---|---|---|---|
| Mapping between each quality deliverable and the standard it traces to. This is the minimum set SMD ships with every order; project ITPs can extend the package. | |||
| Parameter | Value | Unit | Standard |
| Material certificate (body) | Heat number, chemical composition, mechanical properties | 1 doc | EN 10204 3.1 |
| Material certificate (trim) | Heat number, hardness, NACE confirmation if applicable | 1 doc | EN 10204 3.1 + NACE MR0175 |
| Pressure test chart | Hydrostatic and / or pneumatic record with hold time | 1 doc | API 598 / ISO 5208 |
| Dimensional report | Face-to-face, end-to-end, wall thickness, key dimensions | 1 doc | ASME B16.10 / B16.5 |
| PMI report | Positive material identification for critical alloy components | 1 doc | — |
| NDE report | Dye-penetrant, magnetic-particle, ultrasonic as specified in ITP | 1 doc | ASME V / EN 10228 |
| Low-emission certificate | Stem sealing test, seat leakage class confirmation | 1 doc | ISO 15848-1 / API 624 / FCI 70-2 |
| Fire-safe certificate | External fire test pass with documented valve size and class | 1 doc | API 607 / API 6FA / ISO 10497 |