Issuing body
API
Latest edition
2nd Edition (2018)
Region
USA, Global
Equipment items
1
Scope
Fugitive emission type testing for rising-stem valves with graphite packing.
Key requirements (7)
- Type testing of rising-stem valves equipped with graphite packing for fugitive emissions.
- Test temperature: 260 °C; pressure: 600 psi typical.
- Cycles: 310 mechanical + 3 thermal.
- Leakage acceptance: ≤ 100 ppmv methane.
- Applies to gate, globe, parallel-slide and similar valves.
- References API 622 packing requirements.
- Used to qualify entire valve assembly, not just packing.
Related standards (3)
Applied to 1 equipment item
Valves