Pressure Vessel Heads is a free Android app developed by LetsFab that provides a wide range of calculations for various types of pressure vessel heads. The app is designed for those working in the fabrication industry, process equipment manufacturing industry, piping industry, and sheet metal fabrication industry. It includes calculators for flat dish end, torispherical dish ends, ellipsoidal dish ends, hemispherical dish ends, and elliptical head template layout marking.

The app requires all dimensional inputs to be in millimeters or the metric system. It also allows users to calculate the weight of dish ends for different types of materials such as carbon steel, stainless steel, aluminum, brass, bronze, copper, and lead. The app is useful for estimation and costing purposes, though it is recommended that users consult with their head manufacturer for desired accuracy when cutting blank sizes of the above dish ends.

Overall, Pressure Vessel Heads is a comprehensive calculation tool that is easy to use and navigate. Its calculators are accurate and reliable, making it a valuable app for those in the fabrication industry.