AD FREE VERSION NOW ON SALE TO CELEBRATE RELEASE ON APPLE AND WINDOWS STORE

Reference book for pipefitters includes some of the following:
Flange Dimensions 150,300,600,900,1500,2500(Pipe O.D.,ID,Stud length,number of studs, Wrench size etc.)
Valve Dimensions
Pipe Schedules
1/2 Dimensions
Pressure Ratings for Testing
Same as free version but with out the ad banners on the top and bottom of the page's

https://play.google.com/store/apps/details?id=appinventor.ai_jpicer.PipefitterHandbook
https://itunes.apple.com/ca/app/pipe-fitter-reference/id1003648270?mt=8
https://www.microsoft.com/en-us/store/apps/pipefitters-reference/9nblggh1rhk1