Operating challenges
- Reliable shutoff and cavity-pressure management
- Fire-safe construction when specified
- Sour-service material control when specified
- Pigging, full-bore or DBB requirements
- Project ITP and witness-point coordination
Operating context
Translate process conditions into valve requirements
Valve selection for production, transmission, terminal and refinery service must coordinate pressure containment, isolation philosophy, fire-safe requirements, material compatibility, operability and project documentation.
All constructions, pressure-temperature limits, certifications and inspection requirements must be confirmed against the specific product and purchase specification.
Relevant valve families
- Trunnion ball valves
- Through-conduit gate valves
- Swing and axial-flow check valves
- Plug valves
Materials & standards review
- WCB / LCC and forged carbon steels
- CF8M / F316 and duplex grades
- API 6D or relevant product standard
- ASME pressure-class and end-connection requirements
- NACE requirements only when specified
Procurement checklist
What SMD Valves needs for a useful technical review
More complete RFQ data reduces assumptions, qualification loops and late design changes.
01Fluid / medium and composition
02Design pressure and temperature
03Valve size, pressure class and end connection
04Body, trim, seat and sealing requirements
05Applicable product and project standards
06Actuation, accessories and fail position
07Inspection, witness and document requirements
Oil, Gas & Pipeline
Submit the service conditions and document requirements.
SMD Valves will review the valve configuration, materials, applicable standards and inspection scope before quotation.