NPT螺纹简图

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NPT螺纹简要尺寸
$ r" Y7 m8 |8 @) `- s管子公称尺寸
in
1/16
1/8
' B. d" x4 V3 h0 m1/4
3/8
0 y/ A& ^) x4 `0 E7 N, a1/2
3/4
1
1 ¼
1 ½
0 Y" ~; G1 D; S2
2 ½
3
2 P/ Q7 `$ a7 u# R3 ½
! Q9 w& ^0 i: D) |0 ^4 y4
1 p2 S& d. I, l管子外径
in
0.3125
0.405
0.540
0.675
0.840
1.050
5 b& T' W' e9 L& }& E" o. H$ j1.315
4 a; j  t  Q& M/ X  B1.660
1.900
  ]2 y4 Q6 v' _2.375
2.875
3.500
4.000
3 o" z: F; C; ?( K1 }4.500
mm
7.9
2 N# y$ E' E+ ?1 J" d5 g" B( x10.3
13.7
1 D# @3 k. v) O17.1
* h$ ~7 W  p' l7 z+ x21.3
2 O' T. Z6 z7 n% y; A26.7
3 a$ s. p- h$ @% e3 g4 \" @4 z33.4
42.2
48.3
60.3
73.0
9 ~& Z  S) K6 a  ^88.9
( h1 _7 e2 Z# v3 Q0 p, y7 T101.6
114.3
( ^/ s2 g, t! Y: P* P每英寸牙数
) D, A2 o6 g& T2 p0 X27
18
14
11 ½
/ O0 B$ _. p! }- O1 T$ B/ i8
9 `, @) `9 A6 _7 Q' |5 h/ j螺距：mm
0 ~, J* M! u" W4 n0.9408
1.411
4 D2 \) ?: B4 a- k2 Z1.814
2.209
6 N; G) ~# `9 k; N8 C3.175
旋合长度：mm
4.064
8 y+ `8 I# d; L3 k" D4.102
5.786
+ O1 x- l, b" H3 w3 M/ i* g6.096
8.128
0 f, v( r2 N, `6 T! @8.611
10.160
10.668
11.074
17.323
19.456
' _% I9 E2 x, M20.853
6 _9 K3 w) d6 I! s21.438
6 x4 ]6 l$ F4 P9 I3 a) n旋合中径：mm
7.142
9.489
. M1 r7 n  x! d12.487
+ ^% X& G8 Q3 N8 ?: @* G. Q15.926
+ N, m9 L- k9 K* P" \19.772
; [! s1 f- s( V( P25.117
# q& l* H! h9 s31.462
1 b: P2 ~# \& c! T: ]40.218
3 c! s- m: i/ I1 N" _( R46.287
58.325
70.159
86.068
98.776
3 |; _; s0 e3 l/ s) G' |. }111.433
文章关键词： NPT螺纹