What's changed, tab by tab. The app updates automatically through Google Play — no action needed on your end.
Version 1.1-enterprise
July 2026
Latest
- New — PSV Sizing: pressure relief valve orifice sizing to API 520 Part I, covering vapor, steam, and liquid relief, with automatic API 526 orifice selection.
- New — Compressor Thermodynamics: polytropic head, discharge temperature, and gas power for centrifugal and reciprocating compressors, with staging guidance to GPSA / API 617.
- New — Flow Metering (ISO 5167-2) added inside the Pipe Sizing tab.
- New — 2-Phase Separator sizing (Souders-Brown) added inside the Static Equipment tab.
- PDF datasheet and CSV export added for every new calculator.
- In-app Help & Formulae reference added for every calculator.
- General performance and stability improvements across all tabs.
Version 1.0-enterprise
Initial release
- Launch of the original seven calculators: Pipe Sizing, Friction Loss, Pipe Support, Static Equipment (ASME VIII Div.1), Pump Sizing, Control Valve (ISA 75.01.01), and Shell & Tube Exchanger (TEMA).
- Live fluid property lookup, with offline fallback values built in.
- PDF datasheet and CSV scenario export.
Found something that doesn't look right, or want to see a calculator added? Email devilsworkshop2k20@gmail.com — see the support page for what to include.