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NPT ANSI B1.20.1<br />

NPTF ANSI B1.20.3<br />

HSS<br />

~DIN EN 22568<br />

N5120<br />

N5120<br />

N5120<br />

NPT<br />

N5120<br />

NPTF<br />

Ø“ d 1<br />

P d 2<br />

l 1<br />

NPT, NPTF TPI mm mm<br />

1/16 27 25.0 9.0 4<br />

1/8 27 30.0 11.0 5<br />

1/4 18 38.0 14.0 5<br />

3/8 18 45.0 14.0 5<br />

1/2 14 45.0 18.0 6<br />

3/4 14 55.0 22.0 6<br />

1 11.5 65.0 25.0 7<br />

1 1/4 11.5 75.0 26.0 8<br />

ID<br />

ID<br />

104194 * 104204<br />

104197 * 104207<br />

104196 * 104206<br />

104201 * 104211<br />

104195 * 104205<br />

104200<br />

104198 * 104208<br />

104193<br />

Turning dimensions for NPT and NPTF threads (in mm)<br />

Dimensiones de torneado para roscas NPT y NPTF (en mm)<br />

Final position of die<br />

Posición final cojinete<br />

Ø” D 1<br />

mini D 1<br />

maxi D 1<br />

(guide line) L 1<br />

(guide line)<br />

NPT mm mm mm mm<br />

1/16 7.521 7.643 7.58 8.4<br />

1/8 9.866 9.988 9.93 8.5<br />

1/4 13.099 13.255 13.18 12.7<br />

3/8 16.518 16.674 16.60 12.9<br />

1/2 20.551 20.713 20.63 16.8<br />

3/4 25.866 26.028 25.95 17.1<br />

1 32.419 32.591 32.51 21.3<br />

1 1/4 41.144 41.316 41.23 21.9<br />

Ø” D 1<br />

mini D 1<br />

maxi D 1<br />

(guide line) L 1<br />

(guide line)<br />

NPTF mm mm mm mm<br />

1/16 7.525 7.617 7.57 8.4<br />

1/8 9.870 9.962 9.92 8.5<br />

1/4 13.129 13.215 13.17 12.7<br />

3/8 16.548 16.634 16.59 12.9<br />

1/2 20.617 20.703 20.66 16.8<br />

3/4 25.932 26.018 25.98 17.1<br />

1 32.475 32.561 32.52 21.3<br />

THREADING<br />

TECHNOLOGY<br />

253

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