Errata on PIPEandHOSE

 
We apologize for the occasional error that may pop up here at pipeandhose.com.  All errors that come to our attention will be posted here for a historical record.  Hopefully this will help in clarifying the sources of these errors, and help stop the spread of myths.

Entries are listed here in order of correction date, most recent being at the top of the list.
 

Major Diameter vs. Pipe O.D.

The text that formerly read:

...The major diameter is a bit larger than the actual OD of the pipe...

Has been corrected to read:

...The major diameter is a bit smaller than the actual OD of the pipe...

GHT is not NH

We apologize for our error in stating that the GHT thread was compatible with the 3/4-NH thread.  The two threads are different.  Please accept our sincere apologies for this misinformation.  Details will follow. 

 

 
Pipe Size
Pitch  (Threads/Inch)
NPT/NPS
BSP
 1/16"
27
---
 1/8"
27
28
 1/4"
18
19
 3/8"
18
19
 1/2"
14
14
 5/8"
---
14

 
Pipe Size
Pitch  (Threads/Inch)
NPT/NPS
BSP
 3/4"
14
14
1"
11 1/2
11
1 1/4"
11 1/2
11
1 1/2"
11 1/2
11
2"
11 1/2
11
2 1/2"
8
11

 
Pipe Size
Pitch  (Threads/Inch)
NPT/NPS
BSP
3"
8
11
3 1/2"
8
11
4"
8
11
5"
8
11
6"
8
11
8"
8
---