Same as BSPP, G

The Rp thread is a designation for BSPP (British Standard Pipe Parallel).  For example,

Rp 1/4

refers to the threaded end of a fitting or pipe which is 1/4 inch trade size (not actually 0.25 inches), and having British Standard Parallel Pipe threads.

Last modified: 
Saturday, December 22, 2018 - 21:35