October 2018
Special Focus: Plant Safety and Environment
Built-up backpressure at the outlet flange of a pressure relief valve
Even for pressure relief valves (PRVs) discharging directly to the atmosphere through short tailpipes, API 520 Part 11 warns that choked flow may develop at the outlet flange, resulting in high backpressure.
This is a preview of our premium content. Thank you for your interest—please log in or subscribe to read the full article.
The Author
Related Articles
- Best practices to achieve highest integrity isolation for black powder-generated gas processes
- From compliance to safe operations: Why relief systems design documentation matters in LNG facilities
- Innovative grassroots CDU-VDU configuration: Pioneering energy efficiency and net-zero pathways in modern refineries
- Innovations in liquid ammonia pumping technologies and applications
- Improving isolation valve reliability in delayed coker units: Field experience-driven design enhancements
- Integrate people into process safety: The complete framework for operator actions and interventions in functional safety—Part 1


Comments