Issuing body
API
Latest edition
25th Edition (2021)
Region
USA, Global
Equipment items
3
Scope
Ball, check, gate, and plug valves for pipeline service.
Key requirements (7)
- Pipeline valves — ball, gate, check, plug for liquid and gas pipelines.
- Pressure classes: ASME B16.34 (150–2500) plus API-specific (10000 / 15000 psi).
- Full-bore (full opening) — passes pipeline pig with min restriction.
- Fire-safe per API 6FA / ISO 10497.
- Anti-static device required (ball/stem ground continuity).
- Double Block & Bleed (DBB) and Double Isolation & Bleed (DIB) configurations.
- Cavity over-pressure relief required (self-relieving seat or cavity vent).