Piping and Flange Handbook

A professional piping reference and calculator designed for fast, reliable decisions in the field and at the desk. Instantly look up flange dimensions, pressure ratings, bolt data, and pipe schedules across major standards, then verify with built‑in engineering calculators. Ideal for piping engineers, designers, fabricators, inspectors, and maintenance teams. Core features - Flange dimensions and pressure classes for ASME B16.5/B16.47, EN 1092-1, MSS SP-44, API 6A - Pipe sizes, schedules, wall thickness, OD/ID, plus weight and volume calculators - Bolt and gasket selection with torque estimates and bolt circle layout - Pressure-temperature ratings and common material limits by class/PN - Fast search, favorites, unit converter (inch/mm, N·m/ft·lbf), and offline access Why it stands out - Field-ready and offline for quick decisions without PDFs or spreadsheets - Clean, task-focused design with smart calculators to reduce errors - Optimized for productivity: quick search, bookmarks, and consistent terminology Keywords: piping calculator, flange dimensions, ASME B16.5, EN 1092-1, bolt torque calculator, pipe schedule chart, unit converter, mechanical engineering, oil and gas, petrochemical, MRO