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NPT, NPTF ASME B1.20.1, ANSI B1.20.3 HSSE DC
N410-3 N410V-3 N411V-3 N410-3
N
N410-3 31 74
N410V-3 V 11 12 14 21 32
N411V-3 V 11 12 14 21 32
N410-3 31 74
1:16 1:16 1:16 1:16
C C C C
a
d 2 2 x P 2 x P 2 x P 2 x P
d 1
l
2
l P NPT NPT NPT NPTF
1
Ø’’ d 1 P l 1 l 2 d 2 a ID ID ID ID
NPT, NPTF TPI mm mm mm mm
1/16 27 71 13 7 5.5 3 l 101961 l 102021 l 102031 l 101971
1/8 27 71 13 8 6.2 5 l 101964 l 102024 l 102034 l 101974
1/4 18 80 20 11 9 5 l 101963 l 102023 l 102033 l 101973
3/8 18 90 20 12 9 5 l 101968 l 102028 l 102038 l 101978
1/2 14 100 26 16 12 5 l 101962 l 102022 l 102032 l 101972
3/4 14 110 26 20 16 5 l 101967 l 102027 l 102037 l 101977
1 11.5 125 32 25 20 5 l 101965 l 102025 l 102035 l 101975
1 1/4 11.5 125 32 32 24 5 l 101960 l 102020
1 1/2 11.5 140 32 36 29 5 l 101959 l 102019
2 11.5 160 32 36 29 7 l 101966 l 102026
Vc (m/min) Ø d1 - Guide Line
NPT, NPTF 1/16’’ - 1/4’’ 3/8’’ - 1/2’’ 3/4’’ - 1’’ 1.1/4’’ - 2’’
11 12 14 32 6 5 4 3
21 5 4 3 2
31 74 10 8 7 5
62 18 15 13 10
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