All the same trusted information that is in The Pipe Fitters Field Book is now available in an App. THINK SMART WORK SAFE Information contained within the App; * Length through hub for weld neck and slip-on flanges. * Dimensions of butt weld fittings, socket weld fittings and flanges. * Diameters and circumferences and nominal wall thicknesses of pipe. * Odd angles for long radius 90 degree elbows. * Dissecting a circle and blind flange lay out. * Detailed flange specifications for flange series 150-2500 * Drill and tap sizes for bolts and pipe. * Weights for common building materials. * Trade related formulas. * Head pressures of water and temperature conversions. * Layout for equal and unequal diameter branch lines at any angle. * Shackles, inside width at the pin and the safe working load. * Snatch block and sling leg load multiplication factors. * The safe working load for wire rope, and nylon and wire rope slings. * Conversion multipliers and trade related formulas. * Explosive limits and specific gravity of different gasses. * Pipe and water weights. * Weights for plate steel. * Weights for flanged gate valves, weld fittings, blind flanges and weld neck flanges.