You are downloading the Piping Reference AppX file v220.127.116.11 for Windows Phone. Piping Reference is a free and useful Books & Reference app: This application is the dimension of piping and accessories. It has many accessories in the app such as pipe size, pipe clamp, fitting, flange and ... You can now download the offline AppX file to install & try it.
Download Locations for Piping Reference 18.104.22.168 AppX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppX File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Piping Reference AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.