01
明确工况
介质、压力、温度、管径、工况周期和安装约束决定可用阀族范围。
01
介质、压力、温度、管径、工况周期和安装约束决定可用阀族范围。
02
比较阀体型式、阀座或内件、端部连接、驱动、防火或逸散性排放要求以及维护通道。
03
批准的数据表、图纸、ITP 与文件目录控制最终报价和制造放行。
买方证据清单
| Table description | |||
|---|---|---|---|
| Documents and engineering checkpoints SMD provides from RFQ receipt to shipment. Project-specific items are added to the ITP; baseline items below are standard. | |||
| Parameter | Value | Unit | Standard |
| RFQ stage | Datasheet, material selection, BOM, indicative weight, commercial offer | 5 items | — |
| Engineering stage | Detailed drawing, FEA on request, torque calculation, gasket schedule | 4 items | Project ITP |
| Procurement stage | Material certificates, sub-vendor list, sub-vendor audit report on request | 3 items | EN 10204 |
| Manufacturing stage | WPS / PQR / WPQ, dimensional reports, NDE records, PMI results | 4 items | ASME IX / EN 10204 |
| Testing stage | Hydro / pneumatic charts, low-emission certificate, fire-safe certificate on request | 3 items | API 598 / FCI 70-2 / API 607 |
| Shipment stage | FCR, packing list, commercial invoice, CO, fumigation, photo set | 6 items | Incoterms 2020 |