PSV Relief Load Calculator | API 520 / 521 / 526 Sizing

PSV relief load calculator for API 520, 521 and 526 pressure relief valve sizing - Aienginear

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.

IntegriShield: Pressure Vessel, Relief Valve & Pressure Test Calculators (ASME VIII, API 520)

IntegriShield pressure integrity and site safety calculators by Aienginear: ASME VIII vessels, PSV relief, pressure tests and flange torque

IntegriShield by Aienginear: 9 free pressure integrity and site safety calculators for ASME VIII thickness and MAWP, API 520/521/526 relief valves, B31.3 hydrotests and PCC-1 flange torque, with a quick thickness and test-pressure checker.

Field Safety & Construction Utility Suite

SafeSite Construct™ — Offline Field-Safety & Construction Engineering Calculators SafeSite Construct™ Ultimate is a single-file, fully offline suite of construction safety calculators and structural engineering tools built for the field. Run pressure-test exclusion screening, rigging and crane checks, AISC steel verification, fire and confined-space logic, and a full set of field-safety workflows — entirely in … Read more

Mechanical Integrity & Pressure Vessel Calculator

Ensure Compliance with the ASME Guard™ Ultimate Suite In the realm of process and mechanical engineering, equipment safety and compliance are non-negotiable. Whether you are analyzing existing facility assets or performing preliminary sizing for a new skid, having immediate, reliable access to industry-standard calculations is essential. The ASME Guard™ Ultimate Suite is a comprehensive, client-side … Read more

Free Engineering Calculators: 33 Process, Piping & Mechanical Tools

Free engineering calculators by Aienginear: 33 process, piping, pressure integrity and energy tools

33 free engineering calculators from Aienginear for pipe sizing, pressure drop, PSV relief, ASME VIII vessels, control valves, flow meters, flange torque and hydrotests. Printable, standards-referenced, no signup.

Solvent Property & Sizing Calculator: Vapour Pressure, Line Sizing, NPSH & Relief (2026)

Aienginear Solvent Property and Sizing Calculator v4.0.0: vapour pressure, blends, Hansen, line sizing, NPSH, flammability and API 520/521 relief

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.