[SEL] OT - what is NPT REALLY..........

[George/Helen Myers]

Hope this page satisfies your curiousity!
Dryseal American National Standard Taper Pipe Threads NPTF
http://www.emuge.com/technical/2005_threading_clamping.html

Helen
George L. & Helen S. Myers
RR 1,  Box 2032
Blain, PA  17006
The Ottawa Caretakers   ottawa at pa.net
Tel 717-536-3711
http://albums.photo.epson.com/j/AlbumList?u=1751540

  ----- Original Message ----- 
  From: James Mackessy 
  To: The SEL email discussion list 
  Sent: Wednesday, February 02, 2005 9:24 PM
  Subject: Re: [SEL] OT - what is NPT REALLY..........


  The NPTF threads have a taper of 7/8" per foot, something I did not know
  until recently. Now I'm trying to figure out, if the "F" does not stand for
  fine, as in
  screw thread sizes, what does it stand for? "Dryseal"? Now I'll be up all
  night!;-)
  Best Regards;
  Jim Mackessy
  Syracuse, New York, USA