Instru Toolbox is a powerful, easy-to-use engineering app designed for instrumentation and process engineers. It combines a wide range of industry-standard calculators into a single, convenient mobile tool that helps you perform complex calculations with ease — right from your pocket.

Whether you're working in oil & gas, chemical, power, or any industrial plant, Instru Toolbox provides quick and reliable solutions for everyday engineering needs.

? Piping Calculations
Flange Rating – Determine flange ratings based on ASME standards.

Pipe Line Sizing – Size your pipes for liquid and gas flows efficiently.

Pipe Wall Thickness – Calculate wall thickness for pressure and temperature conditions.

? Valve Sizing
Valve Flow Coefficient (Cv) – Quickly size valves using flow coefficient calculations.

? Flow Elements
Orifice Sizing – Sizing tool for orifice plates for both liquid and gas services.

⚙️ Material Compatibility
NACE Check – Verify material suitability per International Standards for sour service applications.

? Heating Systems
Electric Heater – Calculate power requirements for electric process heaters.

?️ Relief Devices
Pressure Relief Valve – Sizing relief valves for gas, liquid, and steam flow.

Rupture Disk – Assist in sizing and selecting rupture disks as per process safety.

✅ Key Features
Clean and intuitive user interface.
Fast calculations with engineering accuracy.
Suitable for on-site, field, or office use.
Lightweight, offline capable, and ad-free.
Developed by professionals with real-world industry experience.

This app is an ideal companion for instrumentation, process, mechanical, and piping engineers, as well as students and technical professionals who need quick, reliable, and accurate engineering tools on the go.

Download Instru Toolbox today and streamline your technical calculations with confidence!