55°圆柱管螺纹的型式和尺寸

张SIR

British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF)
& T- |6 ~5 }& s, J1 c1 M8 L螺纹代号
基本尺寸
大径
+ a* p' @% ^! v- Umm
/ u6 ~% @' h% N0 s4 r" p( U) md=D
, w5 d! ?: O( V* P" w8 X; P螺距
mm
( O8 @9 a" P; e' q  p8 ]1 sp
9 M2 J/ h1 q5 o8 c) P! V% o每英寸牙数
2 ^+ a7 w, j* v# O  ]2 Q7 stpi
% ?2 X# l0 t! c! _$ |4 v1 N中径
$ Y4 q! f, n5 |4 z3 k' G0 Fmm
d2=D2
小径
外螺纹
d3
8 r4 ]! v  S& g" e) X: q3 D牙型高度
H1
0 H' j" N/ P+ [4 s% s底孔尺寸
mm
0 f4 F* f* v$ T; zG 1/8
1/8"
7 S1 F+ g6 E  F' K# v; Y" w9.728
0.907
28
9.147
: B# r8 b" X* R% d2 |8.566
0.581
8.7
; e# ]+ ?8 h; T0 s+ [4 v% GG 1/4
. m5 N' M1 o+ Y1 N; L1 k- }1/4"
13.157
1.337
19
12.301
: e  L- D9 f; N# C# b. u11.445
! o3 T: R& p: F' A# Z2 }0.856
, D9 B! [' m" j  q. G11.6
: n! ], v9 B) ]$ [G 3/8
3/8"
$ v: U" f2 i- l8 x9 b16.662
( H; `6 H1 q# c' ~% L8 A1.337
% T5 G# h2 F% l! K19
15.806
5 A- N! T" B8 V) g4 Q" y, N14.95
0.856
15
; }" y/ E+ P8 @" f0 GG 1/2
1/2"
: T7 i& [9 O: F20.955
1.814
7 M) m. U9 E: R9 V& R14
19.793
18.631
# K: G: p6 E& i( e8 L: |! o1.162
1 C# U& r; c( x/ x* k& q19
G 5/8
7 Q; a# V' M( b+ |( c- v% _5/8"
0 h5 H* n  L# X' x8 ]! s4 `) q! q22.911
1.814
9 N* A3 L* A& z, G6 t( Q14
0 d# P, X) D0 v9 u6 n, H21.749
20.587
1.162
' V5 {7 J& a$ N1 j7 [: ~20.75
G 3/4
$ Q3 u! N) ^1 k3/4"
+ p! f) W7 e  D8 _- I26.441
6 ~. f( S/ E0 g' d3 ]1.814
14
) w. B2 b/ ~# U" r+ K' u25.279
! k5 G0 q2 Q" N/ ~+ X24.117
( i& l( V5 e" E" ]* R5 \' J# h% b1.162
24.5
4 h' i2 p" F1 W6 L% l. nG 7/8
* X; U1 S8 f$ W  w7/8"
0 c3 f3 x0 ]$ G3 [30.201
9 L9 j. l% j0 o* J7 z8 T1.814
14
1 H7 s  }* V5 [9 O9 f+ u29.039
6 w' _* r" c2 e6 y27.877
. \8 C6 ~0 \( Z' Z1.162
; W9 z# O; L  ]9 G  q28
G 1
! C' `' m6 r" r1"
33.249
& Z  T/ A: J4 c/ A3 A2.309
6 h2 P6 N6 S. ]; J& [11
31.77
30.291
; ?, P5 E' E( a, d$ y: \1.479
30.5
G 1 1/8
1 1/8"
- g; D4 X/ P0 w2 e. J& Y+ ]6 |6 m0 O37.897
2.309
7 G( K, u( ?+ x4 v6 @11
+ O% Y; H3 H5 M) \/ ~# J36.418
34.939
1.479
! p4 c) e5 Z' P& X6 d( S5 `+ h35
, |) g9 q. F* V2 ]. J% r; hG 1 1/4
1 1/4"
41.91
2.309
' w! ~8 _* d1 D& J3 _11
40.431
; S, N) C  J4 g& m$ u& e0 v+ L38.952
1.479
39.5
& |3 T/ z& D* s# M7 eG 1 3/8
( x1 V4 e2 j6 W3 i* z& \% @. x* I1 3/8"
44.323
0 X( x( ]  ]' \2.309
11
8 \" @/ q! \1 f/ u3 Z  u+ N! P- w/ [42.844
) U  V7 e% K! A# T; t& g41.365
1.479
1 \: c: s! V: z, [8 x3 }41.5
7 l- g) ^9 Q# A9 n" d" ?G 1 1/2
. W  w1 F3 _& `1 1/2"
" y# I* ]/ f$ }# F$ T47.803
2.309
11
46.324
44.845
' V: v- j# X$ W3 T* L4 [1.479
45
  q; X9 b; B3 c& j* UG 1 3/4
- ]1 [5 r4 S1 L$ ]4 a  H) C1 3/4"
53.746
+ P) o6 y  @7 c+ U$ c" e4 _2.309
9 }+ R, m. G, t* ~& V11
2 g! O( l, q2 l* j/ N& Z$ ^52.267
50.788
4 D# \6 t" S- I( k; `1.479
' ^/ Z: D9 h" I% }51
, C5 V$ C# u: R1 ~7 G3 YG 2
2 U5 k( B; }5 V# m) i, b2"
59.614
  E% g$ M+ S0 G3 H# u& ~2.309
11
58.135
5 F! |9 o% t' d, }+ E' y( l; i& \56.656
$ z0 c& t6 z) l9 R# q' i6 \1.479
4 o$ l2 n5 v4 Y4 ^! M. ^57
5 S9 \- T$ G, kG 2 1/4
2 1/4"
! Z5 M( f8 I& a" t" \7 J65.71
' E9 N: [" b. J& w2.309
11
# q3 Z  d' \# d64.231
62.752
! h  |$ @9 ]# D% K  O1.479
7 t( F! \% Y( s/ T8 J; o& T63
" h3 {  S4 }% P" o2 wG 2 1/2
( l' B1 S; i" h4 J. F/ L7 G2 1/2"
75.184
% k1 n; [. t( o, m2.309
11
73.705
- _/ r! n3 z7 P7 v/ v5 A4 H- X) C, |+ w72.226
2 O$ v8 M- F# l1.479
72.5
3 ~( X2 F+ H8 j2 dG 2 3/4
2 3/4"
81.534
. i, i  o  G7 ]7 L3 Q2.309
11
- l/ c( G) ?: H% j* h80.055
% l4 ?$ ]" S/ U: I! X* `. e78.576
1.479
79
G 3
3"
87.884
2.309
4 x7 b0 t- f, s/ @$ @  D11
4 `8 {+ _: O/ ?- r; a- Z5 t; Q86.405
# d, r& O! ?  P" {) V( s! _' Z5 N84.926
1.479
3 C) b1 _6 S1 _) f5 E% `85.5
G 3 1/4
3 1/4"
! z* T- v( D& w6 {) `8 d( N. O93.98
2.309
11
- @. Y! C$ n' h4 d92.501
91.022
1.479
91
$ [/ r: j+ l" m" w* l% ]G 3 1/2
% y$ s3 r3 Z8 _8 A" W( |# G3 1/2"
  _( a4 Q2 V9 [# X100.33
2.309
11
98.351
8 u! m. C3 i8 N1 I97.372
& \0 ~& P& @( V( o1.479
* e9 B) M0 t* M; w& A: ^7 \( i97.75
G 3 3/4
3 3/4"
106.68
( k) k: e( M! g, H; N4 T' j9 I2 j2.309
11
105.201
! Y: G8 E7 G5 L: n! s* n+ e103.722
, }4 l4 C0 X4 ~7 z2 [1.479
104
G 4
* w7 A; `8 i. x% T4"
113.03
$ i; D8 P8 W6 y! ~0 a2.309
11
- \' C; ]8 e) r& m: ~" e, U111.55
110.072
1.479
110.5
. g+ ~5 A5 ~. ]! H! j2 l6 ?, JG 4 1/2
4 1/2"
125.73
2.309
11
; o9 X, d) u# L; r: \) n124.251
122.772
8 `) s6 U! Q" M, y( [1.479
* `9 A3 k, E, p, ^3 s. p4 x123
; O5 l0 h# X8 v5 rG 5
5"
: _% j+ k2 C5 o7 S$ N$ i4 b; j138.43
2.309
: R8 S/ y2 E) d6 K11
136.951
- z6 m1 x% n7 h" I* q$ T135.472
9 |* G! z5 ^+ z! _, _1.479
136
' [4 I6 W/ T7 U; `( iG 5 1/2
5 1/2"
$ Z+ H$ ~6 v. j  D7 J151.13
# Z( n/ R+ L; L" i+ E- w# z2.309
9 C, }% c" o, I' n4 X' F: c, F, j11
# W/ r# H, Y1 B9 C149.651
148.172
( i8 o) t: n% B) F# O. X1.479
# L& n8 L0 U- n148.5
G 6
6"
163.83
0 F" [# q/ P' p& p( y2.309
11
8 H0 \; R: I* e) x8 w( r7 x162.351
160.872
8 s4 V7 z' N2 J4 ?6 E4 }7 u1.479
1 _; Q  g6 P1 q: V161.5
& ?! W9 S7 T7 L文章关键词： 圆柱管螺纹