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)
螺纹代号
& S9 V; _2 z% e: v. [- q) [基本尺寸
大径
mm
d=D
螺距
mm
2 ~; b! {% F  x2 ]% c, wp
每英寸牙数
4 N7 V9 y+ H8 C, f. Ttpi
中径
/ x* C7 |* m0 gmm
+ q+ x. C; _0 ]' E9 n/ |d2=D2
8 N3 j7 w& |, q* j. P1 U小径
外螺纹
5 q& v, A7 r! s7 M1 L8 Kd3
牙型高度
H1
& B' v+ ?2 b8 q8 s3 j底孔尺寸
( W! M( L5 G! x9 B( Amm
G 1/8
" T: S% }. s$ L1/8"
5 n8 f. N! l5 |3 t5 y% }9.728
4 T' |) s7 I* @8 ?, y" N' [* u0.907
- g, Y8 p) k- A! T28
9.147
8.566
9 s( a& G: V$ I1 _. A; h0.581
; Y' V6 T5 i1 @8 p; H  Y! P3 ?8.7
  L  \, B1 }/ u6 t- eG 1/4
+ c* h% ~% C6 _# b1/4"
3 ]: s$ K6 ^; A. _% R9 v5 X13.157
1.337
19
% r3 c3 D, [& V6 L, W" ^3 p9 I$ ?12.301
: n  k1 T! O( l3 g11.445
/ b9 J  t9 ?9 q0 l$ S0.856
0 q9 p! v3 t, n* u8 Z11.6
G 3/8
3/8"
16.662
; P" c8 R, [% I/ H0 n+ H- R1.337
$ K0 m0 N5 e. C; b/ i* r( C5 K19
+ x( G0 x  I$ K5 @15.806
14.95
- h* R7 s  Q( g$ S# v5 o7 f0.856
6 J: Q0 i+ ^3 _+ R7 n* p7 Y15
- ?3 z  h: c( G! y/ X+ f0 C9 D/ ~G 1/2
) F1 o: p; y- Y- w5 _+ c* Y1/2"
" `8 {( ]; b& s8 H" ~2 ]* z3 o0 X20.955
1.814
: a) C) T/ T- l: J, |' H14
19.793
% d( h- n* _# u+ A; f18.631
: e1 [" P9 @3 G9 n+ t0 ?9 [1.162
19
% K+ l. B2 {' r6 Q4 v: b: KG 5/8
5/8"
22.911
/ v1 `1 i5 n* I1 f% u1.814
14
5 z; h" r' b1 f; Q21.749
20.587
, z3 c7 f% g) {% ?1.162
20.75
  H, y2 ^* {/ g* GG 3/4
6 t) F# d6 U# T7 b& i+ ^$ S3/4"
& o5 s+ w% I/ }4 f' \26.441
1.814
14
) r9 e1 L. I1 z6 g6 z9 W25.279
24.117
& j1 f8 X1 K  O6 \+ [$ x+ W- X1.162
24.5
3 K: R/ S. h' j$ ]G 7/8
7/8"
& ~- S, b0 |* m* @  S7 W- ?30.201
1.814
4 c4 d6 W7 x, _8 B14
29.039
27.877
1.162
" `- U9 |5 v! h* ?28
; g, O& `& R3 a* X/ ZG 1
9 ~  {; M6 {9 T! g& `3 j. R1"
5 B! C) r2 \# U4 c5 ?33.249
3 l$ n7 _$ t5 [0 M2.309
11
$ w/ v& U: c5 e" R1 V( m+ X# v31.77
30.291
4 x0 _" g( i* D) `1.479
30.5
G 1 1/8
1 1/8"
: {, X# j2 G+ x& k37.897
# b4 a2 z# }, R9 V6 T; J! A2.309
, E: f5 E3 i$ @: ~- ?# O11
* P* \5 N! e# Z$ \* s" g  K36.418
) ^8 O: f: j: j5 r34.939
1.479
35
G 1 1/4
  |, d0 ]! D6 f: L1 1/4"
. G5 u* T; k# _& U41.91
0 G5 Q" H; z9 z6 M; V3 r. y2.309
4 M) D  U" L0 _& ~  K8 ^11
40.431
38.952
1.479
1 B* T! n9 O% w6 d/ h& k39.5
G 1 3/8
4 F- |" z! O  R% g5 a, a1 3/8"
4 ~# ]4 O( J5 K, t! I7 {44.323
# r+ [# R1 `* b, M% V2.309
11
42.844
+ h) q, @' d6 e) v: r9 P41.365
1.479
41.5
G 1 1/2
1 1/2"
; O8 o8 O5 x+ E( Z* R5 W47.803
/ k( Y" C2 F8 i) I( x( n! W4 Y2.309
% W* y4 }% E$ \! U% K+ C; C* P, ?11
" \9 l1 g% T0 b, k1 u  g" M# b46.324
44.845
* A! l5 a7 X" Y) S" W0 C/ @+ `1 P1.479
% ^0 S1 q+ P& [! k/ @' M# ~) E8 k' S45
- O/ r' w- i# t1 M/ E& o' ^G 1 3/4
1 3/4"
4 m! t9 c9 h" U* P  P1 ~$ G53.746
2.309
: b* B6 L; Z3 y11
! n: N- s9 L3 S8 J4 u52.267
) w' w6 y1 e# v50.788
7 I/ t' s' t% N% i! |' V1.479
51
; x. e5 J0 x5 H  J* tG 2
" r2 e& V! K8 l( s2 @9 n8 f' R' L2"
59.614
2.309
11
58.135
56.656
1.479
) |( j% t, [+ z9 d+ o57
G 2 1/4
2 1/4"
65.71
+ k; [( C4 z8 R, I( \  k2.309
11
64.231
" E' R# q% ^# O8 s- z* `, X( S62.752
" w# ^9 R) E8 P: F+ c" I# x1.479
7 K; o2 Z0 m: Y, y( J' x, s& b63
* R( x- p' s) d; g  iG 2 1/2
2 1/2"
* O; K& y1 q4 C0 }) T- _& ^75.184
3 M$ }* n' k8 s* ^7 k+ W% V) V2.309
11
73.705
72.226
; m- w9 N+ N* O2 G1.479
72.5
G 2 3/4
# i. V# I2 s4 Z0 Q# J2 `: w2 3/4"
81.534
# `* x% ^# c/ w. c2.309
4 I* J- ]; H' a& f! |* l* t& S11
80.055
78.576
1.479
79
G 3
# l' z# t0 c# j% X3"
) M$ `0 K) s, k! B4 ^% L87.884
0 c" n) V# r% Y+ E/ F2.309
11
2 N5 u; Y: j# H- X86.405
84.926
1.479
, N9 o2 I$ m% c85.5
G 3 1/4
3 1/4"
93.98
& |7 w& f2 ~. K1 {% F- e2.309
11
92.501
91.022
& `& S7 N1 w0 y$ ?- }) ^& E1.479
91
G 3 1/2
3 1/2"
100.33
4 \8 ?( C8 s, S$ u" T) X2.309
2 I. N% [3 }  O/ l( ^3 ?+ n+ o11
5 K6 c) t* L% }' l98.351
97.372
1.479
* V: @$ v3 n" `* d% w97.75
7 v  B4 }& Y3 S: C" {8 I% Q, OG 3 3/4
3 3/4"
106.68
2.309
11
105.201
103.722
1.479
104
G 4
  P. a. r. L9 T1 s6 j4 T' h& g# c4"
113.03
2.309
11
: m+ n8 a) K- F/ P. e111.55
' W- w/ P* e1 d* ?  R6 \5 [110.072
& m! y3 K3 o2 V. \1.479
% h8 O# v2 L) F8 L' c1 I110.5
7 l5 `; w3 s# B  {  ^% y7 XG 4 1/2
4 1/2"
: @6 T3 T0 e- q* v9 |% e0 u: ~125.73
& t# ?. l" |" p+ i2.309
11
124.251
* t* L, G4 H0 L  ]/ I8 z* @# G122.772
1.479
123
! W& X; T+ W4 xG 5
5"
' q3 L: y* G" N* C; l: H3 a138.43
2.309
11
136.951
135.472
" Z) j% u2 e7 E1.479
136
/ R4 _" Z! w. P: {$ {4 o' JG 5 1/2
0 s3 \( V+ E0 e$ W. X5 1/2"
151.13
: d5 x/ ?$ l0 \  V2.309
11
) Y4 Q& v2 D2 ?. O7 F4 a149.651
148.172
1.479
148.5
  n/ h" U. k. n* N, n" dG 6
* n3 b+ f  y( M! m  i% o  u/ n6"
163.83
2.309
11
; h1 d# k3 H, u/ f: M- l+ C162.351
160.872
2 |. e8 b5 g; q& V& F, n7 T9 U1.479
) a) d0 q9 c+ x4 s) h" R161.5
6 I8 j9 c2 x' G" _文章关键词： 圆柱管螺纹