Page 286 - DC_SWISS(Catalogue_TM_ES-EN)

HSS DIN EN 22568
NPT ASME B1.20.1 NPTF ANSI B1.20.3 ~

N5120 11 12 N5120 N5120
≥ Ø 3

N5120 11 12 NPT NPTF
≥ Ø 3

1.75 x P 1.75 x P
1.5 x D 1 1.5 x D 1

P

Ø’’ d 1 P d 2 l 1 ID ID
NPT, NPTF TPI mm mm
1/16 27 25 9 4 l 104194
1/8 27 30 11 5 l 104197
1/4 18 38 14 5 l 104196
3/8 18 45 14 5 l 104201
1/2 14 45 18 6 l 104195 104205
3/4 14 55 22 6 l 104200
1 11.5 65 25 7 l 104198 104208
1 1/4 11.5 75 26 8 l 104193

Valores orientativos de los diámetros de giro para las roscas NPT y NPTF (en mm)
Guide values for turning diameters for NPT and NPTF-threads (in mm)

o
P Posición final cojinete e
n f
ó
n
i
i
s
i
c
i
j
n
t
e
o
a
l c
Final position of die
Final position of die
Ø’’ D mini D maxi D (guide line) L (guide line) Ø’’ D mini D maxi D (guide line) L (guide line)
1
1
1
1
1
1
1
1
NPT mm mm mm mm NPTF mm mm mm mm
1/16 7.521 7.643 7.58 8.4 1/16 7.525 7.617 7.57 8.4
1/8 9.866 9.988 9.93 8.5 1/8 9.870 9.962 9.92 8.5
1/4 13.099 13.255 13.18 12.7 1/4 13.129 13.215 13.17 12.7
3/8 16.518 16.674 16.60 12.9 3/8 16.548 16.634 16.59 12.9
1/2 20.551 20.713 20.63 16.8 1/2 20.617 20.703 20.66 16.8
3/4 25.866 26.028 25.95 17.1 3/4 25.932 26.018 25.98 17.1
1 32.419 32.591 32.51 21.3 1 32.475 32.561 32.52 21.3
1 1/4 41.144 41.316 41.23 21.9
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