Instrumentation Calculator
Control valve, orifice, and flow-element sizing per ISA & IEC 60534.
Size control valves and flow elements per IEC 60534 and ISA standards without a desktop install. EngineSuite is the only web tool that pairs instrumentation math with an AI that cites the standard behind every Cv.
What you get
Control valve Cv
Liquid, gas, and steam Cv sizing per IEC 60534 with cavitation and choked-flow checks.
Flow element sizing
Orifice plate, venturi, and nozzle sizing with discharge-coefficient guidance.
Spec-sheet ready PDFs
Branded outputs you can drop straight into datasheets and submittal packages.
Unlimited calculators and AI. Pay only when you need a stamped PDF.
Every result tells you the exact clause behind the number.
Your firm's logo, project info, and citations — one click.
Frequently asked questions
Does it handle two-phase flow?
Single-phase liquid, gas, and steam are first-class. Two-phase sizing is on the roadmap.
Is EngineSuite free for students?
Yes. Students and EITs with a valid academic or professional email get free access to every calculator and the AI assistant. You only pay if you need a stamped PDF report.
Can I export branded PDF reports?
Yes. Every calculation can be exported as a one-click branded PDF with your company logo, name, and project metadata. Pro plans include unlimited exports.
Try it on your next project
Sign up free, run a calculation, and see the code citations for yourself.