Issuing body
API
Latest edition
11th Edition (2022)
Region
USA, Global
Equipment items
3
Scope
Compact (small-bore) carbon steel valves for petroleum, petrochemical and gas service.
Key requirements (5)
- Gate, globe, check valves NPS ≤ 4 (DN 100), Class 800–4500 (compact body).
- For instrument tubing, isolation, drains, vents in process plant.
- Forged body construction.
- Bolt-bonnet, welded-bonnet or pressure-sealed bonnet.
- Hydrotest per API 598.