NPT螺纹简图

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NPT螺纹简要尺寸
9 [/ o, V9 [, r管子公称尺寸
in
1/16
1/8
/ [. ]7 O" i1 }: Q1/4
3/8
" B" s8 D) Z2 U  M; A3 E1/2
& P4 H7 Y5 e- z7 b( M3/4
1
: A% v# ]7 o- K+ L! R" H- ~! M1 ¼
1 ½
2
2 ½
3
5 H' c# p4 J+ v3 ½
4
. D5 t; r, ]$ M管子外径
" [* z7 T. |; Tin
7 v. w! P% M% w& `5 c0.3125
0.405
- s+ j3 I# `+ A1 s" N0.540
0.675
3 r6 i. l/ o% P! L( h& O% V' j0.840
) s2 v. o' g( p# h1.050
1 c' ~# L; F. Z( O* P/ K2 S4 N& r, |1.315
1.660
; {# S0 @5 _( j4 l1.900
& W3 S8 e5 d% z5 E- a& S$ r2 r( H2.375
2.875
8 S: I8 Q9 A& M# }3.500
$ `. y9 n7 V+ A) v: n4.000
, g9 K' w9 r+ F3 ^; X+ h4 k4.500
) ~" m. J  m$ s* |+ F, L8 i& amm
7.9
10.3
13.7
/ _1 f- C" J$ |1 {' P& p& E, L17.1
21.3
! N$ i" O% ~. T/ L8 s/ W0 M8 k26.7
4 s, y' c+ ]" W: r33.4
! ^( T& X% h0 f, S42.2
48.3
60.3
73.0
2 f7 u1 `  W- e+ c88.9
101.6
( `! v4 J% e2 c& t114.3
1 j7 W. z& d. W: N% `, x$ e& M* u1 W+ a每英寸牙数
27
' `  B0 _  A% I; c2 g* }$ C' @18
14
2 j1 S! i' W- I4 b) E0 g( A, j4 _11 ½
3 p; x( i3 N$ y2 c8
, w0 x. R, A: D' O% Q9 m. B螺距：mm
0 C, r* ?3 W9 I3 {  w6 I' n5 s6 y1 m0.9408
1.411
1.814
& \% t- J2 q9 O+ r5 E0 a2.209
3.175
- L9 ^5 C& n! n, c5 P. k旋合长度：mm
& S9 Z, S6 m' \. a0 B3 {" `: |5 g4.064
4.102
1 O) n+ R7 r, Z) S1 B5.786
6.096
" R  X) K& U; M8.128
$ P" C/ g- r, l: \7 ]8.611
10.160
10.668
( g% E$ b: o7 F11.074
17.323
! p/ i7 _5 G: ^: v" Y19.456
- m, |- N. y' j$ T7 m3 v20.853
5 X$ S: K) d: ]9 w21.438
旋合中径：mm
7.142
' c+ b/ o" I' s9.489
, o& ^7 R# \( e5 A1 f" f12.487
15.926
$ R6 ?7 f: U+ I) `# p( [6 c* S8 Y19.772
) }$ N3 o* p( j9 l5 D25.117
31.462
40.218
46.287
0 Y- e* Z) \, [! ]58.325
9 t# ^8 d* _( z( c# w70.159
86.068
98.776
4 S9 \, e: @' M  J/ W% M( P+ p111.433
文章关键词： NPT螺纹