01
Definir el servicio
Medium, pressure, temperature, line size, duty cycle and installation constraints determine the usable valve range.
02
Confirmar la construcción
Compare body style, seat or trim, end connection, actuation, fire-safe or fugitive-emission requirements and maintenance access.
03
Congelar los registros del proyecto
The approved datasheet, drawing, ITP and document index control the final quotation and manufacturing release.
Lista de evidencia del comprador
Qué confirmar antes de la cotización
- ✓ Tipo de válvula y servicio
- ✓ Tamaño y clase de presión
- ✓ Materiales de cuerpo, trim y asiento
- ✓ Conexión de extremo y cara a cara
- ✓ Accionamiento y accesorios
- ✓ Pruebas, inspección e índice documental
Herramienta de selección
Acote la familia de válvula antes de enviar la RFQ
Use the guide as a starting point. Final selection remains subject to the project datasheet, approved standards, operating conditions and inspection plan.
Punto de partida: Válvula de bola
Pipeline isolation, DBB and project-configured quarter-turn service.
| 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 |