Used in choke-and-kill circulation, including sour service, where safe pressure control and flexibility under rig movement are essential.
- Standard: API 16C
- API monograme: 16C-0413
- Temperature range B: -20°C to +100°C
- Temperature range U: -20°C to +130°C
- Flexibility level: FSL3
- Maximum length: up to 70 m