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=Short List= | |||
*NPSM - National Pipe - Straight Mechanical - closure attained by 30 degree compression fit with a swivel - [http://pressureconnections.com/customer/prcoco/customerpages/literature/Steel_NPSM_Female_Pipe_Swivel.pdf]. Only NPT with chamfer will seal properly with NPSM - other NPT threads may not seal. | *NPSM - National Pipe - Straight Mechanical - closure attained by 30 degree compression fit with a swivel - [http://pressureconnections.com/customer/prcoco/customerpages/literature/Steel_NPSM_Female_Pipe_Swivel.pdf]. Only NPT with chamfer will seal properly with NPSM - other NPT threads may not seal. | ||
*NPT - National Pipe - tapered | *NPT - National Pipe - tapered | ||
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*UN - [https://www.thehopegroup.com/blog/advice/learn-all-about-different-types-of-threads/#:~:text=However%2C%20threads%20and%20connections%20are,BSPP%20(BSP%2C%20parallel)] | *UN - [https://www.thehopegroup.com/blog/advice/learn-all-about-different-types-of-threads/#:~:text=However%2C%20threads%20and%20connections%20are,BSPP%20(BSP%2C%20parallel)] | ||
*SAE - with o-rings | *SAE - with o-rings | ||
=Long List= | |||
Probably hundreds exist all together. | |||
Revision as of 14:15, 19 October 2023
Short List
- NPSM - National Pipe - Straight Mechanical - closure attained by 30 degree compression fit with a swivel - [1]. Only NPT with chamfer will seal properly with NPSM - other NPT threads may not seal.
- NPT - National Pipe - tapered
- R, G - [2]
- BSPP - British Pipe thread parallel
- BSPT - British Pipe thread tapered
- Bolt thread - fine and course
- Metric bolt - fine and course
- Metric pipe straight
- Metric pipe parallel
- UN - [3]
- SAE - with o-rings
Long List
Probably hundreds exist all together.