PIPE

PIPE (PIPE-FLO Data) is a format used for piping designs created with the PIPE-FLO software. This software has some ability to import other file types; you can run Python scripts to process various sorts of data such as CSV files, and DXF image files can be embedded in version 12 and above.

Identification
It appears the files have  as an ASCII string starting at the second byte of the file.

Sample files

 * Tutorial Complete v12- US Units.pipe, found in the knowledge base where imports of data are discussed

Links

 * Official site
 * Knowledge Base
 * Working With DXF Files
 * Data Import - Importing a CSV file