55°圆柱管螺纹的型式和尺寸

天明

British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF)
" M4 \' K6 l8 r3 M' U螺纹代号
' P! H* S9 D$ i, L* i基本尺寸
大径
mm
d=D
! _! p# y/ p: Z( v) h6 k螺距
5 r* t. J3 V2 ?. z/ ]mm
p
每英寸牙数
3 n+ _6 Q/ e& btpi
! ~- B* C: ^1 s* |! v中径
7 T% P% O' ~  F) G3 G( X  |mm
d2=D2
小径
" {: }( m. m2 ~( a9 E% b外螺纹
  r7 e+ R6 Z7 Z8 k; J3 @d3
  M$ g: g7 b! E' R6 ~5 b牙型高度
' R' {7 d: X0 x4 OH1
" F- z" h1 B& z# w" S7 m底孔尺寸
mm
G 1/8
$ r4 f# \. D/ h5 @5 f- V. [/ `4 q1/8"
$ o' ]3 [* |0 A, p' B+ T9.728
" U0 E1 |) g$ H! p, j/ k0.907
7 [* ?, e# M* c+ r# k& n$ V28
. K7 U# S7 G, ~/ j9.147
8.566
% s1 G7 D) g) x3 B8 Z4 j" ~8 i, \0.581
9 b8 m2 y# z8 G" M8.7
2 d! v8 |- h; O% D% f4 j) nG 1/4
1/4"
! W" }( V$ ~# }13.157
! q+ c1 c4 I  p1.337
19
12.301
11.445
5 z! E+ w; e' R- M5 H0.856
+ E& Z2 |1 e% d& b) k11.6
G 3/8
6 I2 O6 R" S+ f: I3/8"
16.662
1.337
9 Q9 Y2 ]; D7 |5 O/ d- d19
15.806
, R' }0 r0 N, [: t$ s! N14.95
1 O/ B, T! x- e$ H0.856
15
G 1/2
# V* ?- a1 ^8 c0 k! I1/2"
20.955
7 p, k) R! U. G, ?8 g, ]6 {1.814
# I  t# q3 S2 |2 W3 o( H1 o14
$ H/ z6 _& G" h$ `9 v19.793
18.631
1.162
+ Z2 {0 O! i- b* ?2 r19
G 5/8
  A6 E+ V& L2 p" {+ d9 j5/8"
22.911
1.814
+ |& y3 P* r" ^+ }7 I+ U7 w14
21.749
20.587
' |8 B1 }+ s( ^6 A$ _7 F( j" ~) m1.162
20.75
7 k- m. Y2 m* E" N) oG 3/4
7 u# i: |2 q' R$ H1 d$ |( w1 [, U3/4"
: A9 r# H& r! y# Z  ]' I6 F- M26.441
1.814
6 O- X  E' L* Y: E# N) O14
25.279
# D3 h$ _+ A- p1 |5 X; l24.117
: x1 R3 |) W. G4 o( Q% R. R7 Y. d1.162
6 A2 }$ `4 N, ?5 M5 V$ p24.5
G 7/8
) B: H8 i* _2 m/ r: x7/8"
. @; W9 Q, j+ G8 k  `4 l30.201
1.814
% s7 t- l5 X$ E/ E- X14
29.039
27.877
) e/ x* }* p5 K' s3 Z1.162
28
3 P3 n+ ~( |  e2 H* H8 ~G 1
3 y( @: X' E; Y8 O% S& T- k1"
33.249
2.309
6 x+ e' o, H3 _' E! b( {11
6 V% \' f0 \* q7 V" S6 ?$ x& A31.77
30.291
# r: x3 i' [& R. ]0 @1.479
30.5
" c- P+ V4 v3 d2 c& D- N( {G 1 1/8
1 1/8"
' `3 K0 o' }1 V. R$ \- X0 x37.897
2.309
11
! H6 {4 m, x; |* G- ?36.418
+ ]2 a0 H5 C7 c: J* ~' u34.939
/ r8 b. T* M- I/ {" t1.479
, L9 |9 g! ^0 C" f35
G 1 1/4
, y% S$ z9 g$ o. ^. a* r1 1/4"
41.91
: R' ^& G  j+ H4 a7 w$ O3 {2.309
11
40.431
8 w' @# b" c8 m) H9 c38.952
. g/ m4 ?; C- T) M% e5 Q1.479
! g( w8 `8 X0 M" E! d4 T. r39.5
& l4 B$ L5 w( Z9 }4 D: t' kG 1 3/8
5 g. j: f8 c* Y1 w! O1 3/8"
' R( d6 q9 I  d( R6 _$ d44.323
2.309
11
42.844
# J$ b0 R, h# k( d$ E1 y41.365
6 m% A% C; U# O7 K1.479
7 T4 B" A3 d; S: i+ y41.5
G 1 1/2
' F5 E" V  {7 y  W  j% V1 1/2"
0 s/ ^1 N. Z# b* x47.803
4 ^5 W# @( W- G( U3 o  ~( `2.309
8 z) K( v. s2 c11
6 l7 p. K7 n; x2 @# T" m3 m46.324
44.845
! f9 [  O' |4 w. F( V0 K1.479
4 z6 G2 J. M2 ^6 T% _9 Q$ @45
G 1 3/4
1 3/4"
, k/ ^& J% J" B- j53.746
2.309
, x+ m3 d( g. H# d' I11
0 K9 P: e" H$ g52.267
/ r2 r5 J" K, Y3 W50.788
6 c) K2 \+ y3 u; c5 O) l% v1.479
51
G 2
# x$ R6 q) V( T& A6 T2"
59.614
* X4 [8 I0 D1 i9 A, x2 r' q2.309
; c9 t; _8 R- }/ \11
( P) k* r4 W. s9 [4 b58.135
56.656
% x' z$ o3 V  {% Z2 S- H" P1.479
0 L5 w  g/ s" s+ t  @  x1 x57
G 2 1/4
2 1/4"
  m$ m/ X" W( |; Z* c5 M* Q* v65.71
- t! f1 r) ~4 b, v, }2.309
11
64.231
  @8 m3 c; E3 v62.752
8 U/ P. w8 l$ I1.479
63
G 2 1/2
2 1/2"
; E0 ?" \3 r9 n+ |75.184
2.309
11
3 h/ v  r2 y5 i- g73.705
# j2 r) _* t# x% D4 v# S* M- h+ p72.226
& b9 F+ T. X: U2 g+ o' x6 G5 t1.479
72.5
G 2 3/4
2 3/4"
81.534
2.309
$ ^! d, M" n; s0 Z8 W  i11
80.055
& l* e5 P1 I, S  A78.576
5 }( q8 y. _  C1.479
# H5 X% M1 c4 J3 t: Q( ~; r( y79
G 3
2 A; s3 J6 A" w3"
87.884
, \3 m0 G# S+ M5 X2.309
11
86.405
84.926
9 p7 o9 f3 K2 b, u2 W5 ?) L1.479
( T& o0 m5 r( d' g+ P) W+ s, w3 L$ O85.5
! P% G8 {# E. V7 OG 3 1/4
% Z2 W5 U& @- s* C3 1/4"
93.98
2.309
4 y; f5 O" }+ ~11
4 \  C- j" R# I92.501
! b/ Y) U9 B4 j* n! M91.022
1.479
91
G 3 1/2
3 1/2"
100.33
6 K, e; c& W* z7 k4 ]2.309
11
- O# P2 m+ ?# s4 m98.351
97.372
1.479
% x2 U; K7 V0 O) [/ y; a% m97.75
G 3 3/4
3 3/4"
106.68
2.309
0 H0 a3 s8 ~9 H4 g+ v( N11
105.201
0 a7 H& u, R+ ?103.722
9 I. [( k& y  S$ z% _+ C  D1.479
104
0 ?. O& `' O* UG 4
4 E7 h8 M$ b7 G2 E4"
: p% i, R' B3 K& E9 t113.03
' c7 ^, C7 R3 @8 ]0 H: D" J2.309
! B, d) X8 z7 S5 K/ D11
111.55
+ b5 P5 f1 M" m5 V9 e' C. \9 b110.072
( `* w0 j6 K; c% W4 Q; m4 l/ e1.479
110.5
3 B( O7 |5 b! `; a( B' K! OG 4 1/2
4 1/2"
3 u: ?1 j( I5 m6 t- H4 y125.73
2.309
, A2 Z/ p: o5 i( K11
124.251
122.772
1.479
123
G 5
5"
138.43
2.309
11
  F! A1 m' m% F) g. ]+ {136.951
/ S0 L9 T5 `6 j/ I9 @7 I135.472
1.479
136
9 o3 |$ _1 n1 e9 k: J8 [: ^) VG 5 1/2
+ m' u! {! S3 V$ j7 z. o5 1/2"
: _) K3 B% X5 ~6 q6 g7 J5 J) f5 A151.13
2.309
* s, a$ U1 A& f" ^2 G3 m! o11
8 }; T0 m$ D$ Y5 |2 B149.651
148.172
1.479
4 [" D1 L0 Y" X+ k! Z# M8 `0 G148.5
G 6
. n: J6 q$ r  g4 V6"
+ k, G/ L$ M) i163.83
2.309
11
3 W! W: X7 y8 i/ [3 e, P  ?162.351
160.872
9 V7 v  r4 S' y. `$ S# e. W1.479
* c; h+ ^2 ~! c8 a0 k8 O4 |161.5
文章关键词： 圆柱管螺纹