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British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF) 螺纹代号& C8 z' m) J$ D' M
基本尺寸
; G) ?% f( i, G' Q大径7 S/ e: k% e0 j' S- b7 h
mm
7 @7 c, g" U7 l& X( x9 Td=D 螺距
' d. o- i& m& C" J* ]mm
& ?5 r4 m( C3 N$ \9 @3 ~" op 每英寸牙数( T$ n4 o$ e0 h/ j, u2 F
tpi 中径- Y i% R: _+ r) O" y9 |0 b. Q! w
mm
7 u! H, J6 g# Y! s: S, g, c4 td2=D2 小径$ t" E2 K& D4 r2 p
外螺纹
# q1 }5 I3 S8 o0 hd3 牙型高度: y4 ^" u+ g y% c( V. b
H1 底孔尺寸1 k* e0 E$ ~6 G, E% F
mm
* A- R. f/ ~+ D/ N( `, K- JG 1/8 1/8" 9.728 0.907 28 9.147 8.566 0.581 8.7
/ o0 P5 n/ H: ^0 z h- M) XG 1/4 1/4" 13.157 1.337 19 12.301 11.445 0.856 11.6
6 C% J0 ?" c$ C, F) lG 3/8 3/8" 16.662 1.337 19 15.806 14.95 0.856 15
3 C Q4 l5 e! v0 S& R6 B1 A4 m tG 1/2 1/2" 20.955 1.814 14 19.793 18.631 1.162 19
4 ?5 h( L/ ~7 RG 5/8 5/8" 22.911 1.814 14 21.749 20.587 1.162 20.75 , ]0 d% J+ b2 Y$ n" I
G 3/4 3/4" 26.441 1.814 14 25.279 24.117 1.162 24.5
3 M; E1 L) w- i7 pG 7/8 7/8" 30.201 1.814 14 29.039 27.877 1.162 28 4 I/ [# p1 U4 r1 t7 s8 ^! a
G 1 1" 33.249 2.309 11 31.77 30.291 1.479 30.5 5 w( g+ l# j. k. \
G 1 1/8 1 1/8" 37.897 2.309 11 36.418 34.939 1.479 35
8 _9 u, I# ?5 uG 1 1/4 1 1/4" 41.91 2.309 11 40.431 38.952 1.479 39.5
3 j0 F* e& v& x9 d3 |6 [G 1 3/8 1 3/8" 44.323 2.309 11 42.844 41.365 1.479 41.5 # z' F8 F, \& r& u( C- I
G 1 1/2 1 1/2" 47.803 2.309 11 46.324 44.845 1.479 45 ' t* R# t0 y, Z# R7 X
G 1 3/4 1 3/4" 53.746 2.309 11 52.267 50.788 1.479 51
) X) d; h8 j0 n1 eG 2 2" 59.614 2.309 11 58.135 56.656 1.479 57
$ I3 U' v0 _! nG 2 1/4 2 1/4" 65.71 2.309 11 64.231 62.752 1.479 63 , R; O! j$ Y* T/ z. z7 F" d- O
G 2 1/2 2 1/2" 75.184 2.309 11 73.705 72.226 1.479 72.5 ( c0 r& B. r" L3 k5 b( K+ i
G 2 3/4 2 3/4" 81.534 2.309 11 80.055 78.576 1.479 79
' l) y! ]5 }3 e0 aG 3 3" 87.884 2.309 11 86.405 84.926 1.479 85.5 / Q: R C. I: r9 n
G 3 1/4 3 1/4" 93.98 2.309 11 92.501 91.022 1.479 91 + j1 D6 t8 B) H- \" X2 i2 N
G 3 1/2 3 1/2" 100.33 2.309 11 98.351 97.372 1.479 97.75
1 p1 Y" m- K5 tG 3 3/4 3 3/4" 106.68 2.309 11 105.201 103.722 1.479 104
7 T: `: M- M# G" B' z7 kG 4 4" 113.03 2.309 11 111.55 110.072 1.479 110.5
5 R5 X; @) }; d$ y0 |2 Y. i6 JG 4 1/2 4 1/2" 125.73 2.309 11 124.251 122.772 1.479 123 , D6 T) z* Y, `( Q* E9 M
G 5 5" 138.43 2.309 11 136.951 135.472 1.479 136
9 R4 n1 M$ ?' F+ Q; l9 }G 5 1/2 5 1/2" 151.13 2.309 11 149.651 148.172 1.479 148.5 , Q6 s: I+ [% \ W8 \
G 6 6" 163.83 2.309 11 162.351 160.872 1.479 161.5
) Y& F) D2 c2 K8 S+ W, \: c资料来源:中国机械cad必威APP精装版下载 |
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