Issuing body
API
Latest edition
6th Edition (2021)
Region
USA, Global
Equipment items
2
Scope
Floating and trunnion-mounted metal ball valves, Class 150–600.
Key requirements (5)
- Metal ball valves — flanged, threaded, welded ends.
- Soft-seated (PTFE / RPTFE / PEEK) or metal-seated.
- Pressure rating per ASME B16.34.
- Hydrotest per API 598.
- Floating ball (smaller sizes) or trunnion-mounted (larger sizes).