NPT螺纹简图

waimaoqc

NPT螺纹简要尺寸
3 B! k+ N' x- o+ s! g管子公称尺寸
- V+ f- j, K) H; i- @in
1/16
1/8
1/4
3/8
+ R% f4 }* U! U. l* b5 G7 C8 R1/2
/ l( c- p8 X% Z3/4
& i7 R# L5 r4 n1 H1
1 ¼
1 ½
4 ?+ J3 ]; G& |4 \* l2
2 ½
7 ]& ^. z. P( j3
/ }4 p' D; v/ ~4 f0 t4 k3 ½
4
, G, S) N& q: @9 o' F管子外径
" e; w) B+ d5 u4 z, y" f, Ain
2 k. Z9 W0 @$ n. u) O0 L9 P) E! Y0.3125
0.405
( U! K. O% [0 X/ K% n0.540
0.675
0.840
1.050
" {5 `) q* v5 ^0 U0 r$ A1.315
1.660
1.900
, e5 U$ q* ?$ B0 q( X5 S2.375
0 x3 E3 v: T! q3 M$ O: k2.875
: N" B# ]* l% H7 T' g3.500
* q. \. y: x% R* M1 R8 i4.000
4.500
mm
$ }3 I, W9 C9 b4 R# J* T7.9
10.3
13.7
17.1
21.3
26.7
33.4
42.2
48.3
60.3
* Z# S; S1 E/ m5 _1 I3 ]73.0
88.9
" v6 g( A) {1 ^! `1 p) p101.6
) @" o) G( B! w* U' r2 b8 u% S& A  K, ~114.3
5 n% ^9 H' a- Y每英寸牙数
# R) ]9 P% p/ f3 H/ e27
18
" A$ ]+ V2 G9 ?/ N% s  t" N14
11 ½
8
% P$ S2 _, C8 [* O' I螺距：mm
( n0 }6 E6 c' \8 w0 A7 ^6 N) [: {  e0.9408
1.411
1.814
" N) u1 z: ^' s3 q! m) @2 c! u1 @0 ^2.209
3.175
旋合长度：mm
* s+ E  {$ D' J& R1 O- c( L4.064
4.102
5.786
6.096
" `8 W, q( e0 K1 M2 ~8.128
6 f; }" ?  n6 L. _- I8.611
10.160
10.668
11.074
17.323
1 Q+ ?: z$ c* I! n2 W: T0 y19.456
20.853
  ~# g- Y* c5 Q4 D9 `21.438
旋合中径：mm
7.142
9.489
12.487
15.926
19.772
, r- b4 l& B+ s8 }- R8 H25.117
, j: \9 h# |; D5 T% u; G31.462
, E- ^% H! s3 s. W40.218
46.287
58.325
1 W+ x" O+ f6 G70.159
- Z% _! I8 V2 n6 i: ^6 @; L86.068
' p( F1 T0 w' Z1 `& U1 {98.776
0 g" p& ]( H! u, ?( e: T111.433
文章关键词： NPT螺纹