NPT螺纹简图

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# g" W& L+ p5 g/ L2 R3 bNPT螺纹简要尺寸
管子公称尺寸
' B+ T' R. T1 vin
1/16
1/8
1/4
3/8
1/2
$ L: Z+ ?) F3 e- Q3/4
. i* B, a1 G2 a7 ]8 n1
1 ¼
- `4 I$ ^3 S4 ~  X+ d1 ½
2
) o4 ?7 h5 F, s0 m2 ½
! g) K" ~8 g& |# ]( V2 f3
3 ½
8 ^9 a+ V" D7 u7 j/ Q4
! P# k+ D0 I# a9 K9 N3 H管子外径
3 g: M; Z% J) nin
0.3125
0.405
  B7 F7 s' e; {: ~2 g3 F; H- }) r0.540
. T+ {3 h5 l% c6 Y0.675
' Z$ I) O& o) f) Y3 [& C0.840
2 P; s# K# I" c$ }7 a% b; ]1.050
" n1 U1 m+ S* a1 Y& J1.315
1.660
6 {( q. a6 t: E- J. k) \  ^4 z1.900
6 `! E: ^! F: Y0 L" u' H0 m: t5 v2.375
2.875
3.500
4.000
* W, O! h& C5 w' y& e4.500
% G- w" h; |/ n' ^mm
4 L8 B. C% E, o. |  |' R& ^7.9
10.3
13.7
17.1
21.3
+ `' K/ ?) o: c26.7
9 t! }, F7 i  U6 r33.4
+ |' r5 `8 z7 `. |5 d2 B% O42.2
# D& |3 K1 l+ ]" @+ ?48.3
& n% `& x, J& g& B0 s+ t( y60.3
2 D/ g5 _( e9 J# [& h73.0
8 X& |9 h& }' K88.9
101.6
! M4 K- v+ e4 v/ S- a6 G114.3
; l9 d' x* h$ x- R9 j: _每英寸牙数
27
; v! E7 v: L) V2 \% B! S18
& v% c# P& L5 ^# f: y14
11 ½
8
  W, |. A3 l& N- A. w/ i螺距：mm
0.9408
1.411
1.814
2.209
) E6 b& E# Z9 K" m2 C/ f3 L* h) }3.175
旋合长度：mm
. U$ P% r2 Y/ q7 C4.064
4.102
/ o8 |/ R1 C; ~, Q' W" S5.786
6.096
5 M9 y5 k% D+ o# M. q8.128
: N$ v- P) q- s6 A- s  j" T; g8.611
10.160
9 D, x% G$ ^% M7 z2 C10.668
; o! I5 b8 H* h, y11.074
  z& D, N6 @& [5 R0 B/ r: K17.323
/ N6 G& E# o: b1 e9 \0 }19.456
8 {9 H7 `- T+ Z5 ^+ v5 g6 Q20.853
21.438
旋合中径：mm
" \% r# L! Q1 ?7.142
( ?/ @. y* Z( ]/ R9.489
12.487
15.926
19.772
2 }  I0 L! v! P; _/ x; F5 P0 v% S8 o25.117
31.462
40.218
# S8 D' f1 H* E  A46.287
58.325
- I% q$ Q/ s6 i9 f2 j# m70.159
7 n4 r& H- I" d( E+ R86.068
0 N% n* s; z3 Y8 ^5 I; D: Z. r2 b/ f98.776
6 O  `" q2 c! M: `+ e+ @  r111.433
+ a# G8 k- Q8 R& J6 t4 I- l2 m5 [* }+ o文章关键词： NPT螺纹

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