NPT Medium Pressure
Manufactured according to standards
ABNT NBR 6925, ANSI/ASME B 16.3, ANSI/ASME B 16.39 and ANSI/ASME
B 16.13.
Material: malleable iron.
Galvanizing: hot-dip galvanized (hot immersion) in zinc bath,
which allows for uniform external and internal protection.
Threads: according to ANSI/ASME B 1.20.1 standard.
Thread alignment: manufactured to guarantee a maximum deviation
of 0.5o, according to the specifications of the standard.
| NPT pipe fittings pressure chart – Medium
Pressure |
| Temperature |
Maximum Working Pressures according to
ASME/ANSI B 16.3 according to NBR - 6925 |
Maximum Working Pressures for Unions according
to ASME/ANSI B 16.39 according to NBR - 6925 |
| |
Nominal Diameter |
Nominal Diameter |
| |
1/4 to 6 |
1/4 to 6 |
| ºC |
PSI |
PSI |
-26 at 66 |
300 |
300 |
93 |
265 |
265 |
121 |
225 |
225 |
149 |
185 |
185 |
177 |
150 |
150 |
204 |
- |
110 |
232 |
- |
75 |
 |
 |
 |
|