Reference book for pipefitters includes some of the following:
Flange Dimensions 150,300,600,900,1500(Pipe O.D.,ID,Stud length,number of studs, Wrench size etc.)
Valve Dimensions
Pipe Schedules
1/2 Dimensions
Pressure Ratings for Testing
Version history
2.0.0
2016-01-09
This app has been updated by Apple to display the Apple Watch app icon.
Easier to use layout and navigation format for smaller iPhone screens
1.0
2015-08-11
Download Pipe-fitter Reference on Android and iPhone for free