PSV & Flare System Design Engineering
Proper relief and disposal systems are fundamental to mechanical asset integrity and process stability. A&N Integrated Consultancy Services (ANICS) provides detailed, API-compliant process and mechanical engineering for Pressure Safety Valves (PSVs) and Flare Systems. We perform rigorous hydraulic and thermodynamic calculations to ensure your equipment can handle credible process upsets—such as power failures, cooling water failures, blocked outlets, and external fires—without mechanical failure.
Our approach to overpressure protection is driven by engineering precision and CAPEX efficiency. By accurately calculating relieving loads and sizing relief systems, we ensure optimal equipment selection. This prevents the catastrophic consequences of overpressure while avoiding unnecessary capital expenditure on oversized valves, oversized headers, and excessive structural steel.
Our Core Engineering Scope
We specialize in delivering technical precision for overpressure protection, hydraulic network analysis, and safe disposal systems.
- PSV Sizing & Selection (API 520/521)
- Relieving Load Calculations
- Flare Header & Network Hydraulics
- Flare Radiation & Dispersion Analysis
- Blowdown & Depressurization Studies
We provide comprehensive engineering packages, including relief valve data sheets, flare system layout drawings, detailed back-pressure calculations, and material take-offs (MTOs), ensuring seamless integration with your P&ID and piping design.
PSV Sizing & Selection
Flare System Design
Key Engineering Deliverables
Our team ensures your relief systems are hydraulically balanced and mechanically robust, delivering the following engineering packages:
- Relief Load Calculations: Systematic identification of governing process scenarios (blocked outlet, external fire, control valve failure, thermal expansion) using rigorous heat and material balances to establish maximum relieving loads.
- API & Mechanical Compliance: Full adherence to API 520 (Sizing, Selection, and Installation of Pressure-Relieving Devices), API 521 (Pressure-relieving and Depressuring Systems), and API 537 (Flare Details) to ensure mechanical design integrity.
- Hydraulic Network Analysis: Back-pressure calculations, header sizing, Mach number limits, and radiation analysis to ensure safe dispersion and optimal mechanical design of the flare stack.
- Blowdown & Depressurization Studies: Engineering the safe and rapid depressurization of process inventory during emergencies, ensuring vessel wall temperatures remain within design limits.
- CAPEX & Asset Optimization: Relief system design that avoids unnecessary capital expenditure through right-sized equipment, optimized material selection, and structural integration.
By ensuring your pressure relief and disposal systems are hydraulically optimized and mechanically compliant, we help you ensure long-term asset reliability, operational continuity, and engineering excellence.