Free PSV relief load and sizing calculator to API 520, 521 and 526. It applies ASME Section XIII accumulation automatically, covers gas, steam, liquid and two-phase relief, ranks the credible scenarios and selects the API 526 orifice.
Free solvent property and sizing calculator for 27 solvents: vapour pressure and boiling point at any pressure, blends and flash point, Hansen RED, line sizing with static checks, NPSHa, heat transfer, GHS/NFPA flammability and API 520/521 relief screening, with printable Aienginear tables.
Screen a heat-exchanger tube rupture with the API 521 10/13 rule, calculate the relief load and size the PSV to API 520/526 — free, with a printable report.
Plant turnaround and shutdown management guide: T-minus milestones, scope freeze, job packs, critical path, positive isolation, gas testing, ASME PCC-1 bolting, PSSR startup, KPIs, calculators and printable Aienginear checklists.
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