Ecovos
Multivos
Cunivos
Powervos
Accessories
Technical Information
Multi-couplings
Quick release coupling UDK
Quick release couplings HP
Flat - face couplings FH
Brake line couplings BP
Screw-on type coupling HS
Screw-on type couplings HA
Pipeline couplings RS
Specials
Flow characteristics
Accessories
Technical information
Spare parts
Solutions
Quality
Safety
Questions
Univos
Pulse Test
Omega Test
Working and Test Pressure
History
Client List
Partners
Certificate
Fittings
Couplings
Piping
Trainings
Testcenter
Download
Links
Archive
Articles
Contact
Address
Form
Contact Personal
Location plan
Multi-couplings
Quick release coupling UDK
Quick release couplings HP
Flat - face couplings FH
Brake line couplings BP
Screw-on type coupling HS
Screw-on type couplings HA
Pipeline couplings RS
Specials
Flow characteristics
Accessories
Technical information
Overview couplings
US Thread Information
Packing Units
Spare parts
Company
Products
Service
News
Publications
Contact
Imprint
US Thread Information
home
>
Products
>
Couplings
>
Technical information
>
US Thread Information
US Thread Information
American national standard taper pipe threads (NPTF and NPSM)
To obtain the nominal dimension of an NPTF thread, place the threaded end on the appropriate circle and read the diameter.