Valve Lookup: current Google Play unlock key. Flange and Learn apps: full browser downloads. Store app purchases remain separate.

Reference / The inspector’s toolbox

Flange Lookup

Check a sample flange dimension and its source before you head back to the job.

Interactive reference sample · Check the sample’s stated scope.

What this app does

Built around the task.

  • Flange reference by size and class
  • Units and source information
  • Existing paid Android edition

Access & pricing

$1.99 one time · Full browser download

Get the full browser edition as a download for use on your computer. Confirmed payment provides the download and setup instructions. This website purchase does not unlock or purchase the Google Play or Apple App Store edition; those editions keep their existing purchase and restore options.

Save 10% on two eligible one-time apps or 20% on three or more in the same available checkout. Monthly plans and output credits are separate.

Planned next app update: a limited free edition with NPS 5, 14, 16 and 1-1/4, plus a few other uncommon sizes. The current store edition is unchanged.

Help with an existing purchase →

Try a sample. Check your work.

The sample uses fictitious inputs and bounded examples. It doesn’t connect to your account or client projects. Training and reference outputs do not approve an inspection or establish that equipment is safe to operate.