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British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF) 螺纹代号 , w( e% u, G! E7 Q3 t+ e; [4 Z2 M) g j基本尺寸' t& I+ x1 g) K 大径 ) ^; E( @9 @9 w- b% E- }1 @mm$ \5 m( p/ C. G d=D 螺距 ' @# L+ {3 s9 b5 v6 `mm! F+ v8 h7 l, F1 W/ s p( `4 |7 _ p 每英寸牙数# G% d4 o6 D2 W3 {4 x: S% { tpi 中径: O! J, N* h& {" g+ U6 Y' z( b mm ; s% l7 [; k( G2 ?: J( E* K. fd2=D2 小径, g- H v; M s; e 外螺纹8 u) l$ y) u* A+ o d3 牙型高度 $ e. h. S: V; E: N: RH1 底孔尺寸 7 {$ u& L# X+ E9 X. K. {& xmm ]6 j: D6 z* {3 \G 1/8 1/8" 9.728 0.907 28 9.147 8.566 0.581 8.72 \ [3 x! R1 s+ ?% ? `4 I0 X G 1/4 1/4" 13.157 1.337 19 12.301 11.445 0.856 11.6 - C& B8 Y w3 ]9 B$ {4 ?) Q# ]- UG 3/8 3/8" 16.662 1.337 19 15.806 14.95 0.856 159 A& J- I9 Z. r. |/ c" W G 1/2 1/2" 20.955 1.814 14 19.793 18.631 1.162 19 # n6 T+ ~2 M% N& e) BG 5/8 5/8" 22.911 1.814 14 21.749 20.587 1.162 20.75 * o$ R6 z5 X6 ^3 L; Y: q- tG 3/4 3/4" 26.441 1.814 14 25.279 24.117 1.162 24.5: }) `7 H/ x$ p# @0 d; M6 `, n G 7/8 7/8" 30.201 1.814 14 29.039 27.877 1.162 28 * \5 k" f2 J) Y2 i( |G 1 1" 33.249 2.309 11 31.77 30.291 1.479 30.5 3 D: C" `/ y% J- N% X' V+ yG 1 1/8 1 1/8" 37.897 2.309 11 36.418 34.939 1.479 35 9 [: L! x2 P8 Z& B) i8 rG 1 1/4 1 1/4" 41.91 2.309 11 40.431 38.952 1.479 39.5. K/ d: B# e; d+ b3 {5 J- {4 v! U. I6 t G 1 3/8 1 3/8" 44.323 2.309 11 42.844 41.365 1.479 41.5. f' u: ~2 Z8 u# D: D j# q G 1 1/2 1 1/2" 47.803 2.309 11 46.324 44.845 1.479 45 / S/ @* X( B* ~0 l/ w- @ XG 1 3/4 1 3/4" 53.746 2.309 11 52.267 50.788 1.479 51 / J; S# J( N. l0 gG 2 2" 59.614 2.309 11 58.135 56.656 1.479 57# U. |* k7 Q' y% H& ~2 Q7 S w: G G 2 1/4 2 1/4" 65.71 2.309 11 64.231 62.752 1.479 63: `: t0 L7 Q' N G 2 1/2 2 1/2" 75.184 2.309 11 73.705 72.226 1.479 72.53 I' E' R* d7 ^% g* v5 ] G 2 3/4 2 3/4" 81.534 2.309 11 80.055 78.576 1.479 79 9 ^. g% t. o6 [+ k# [- ? `4 T* @G 3 3" 87.884 2.309 11 86.405 84.926 1.479 85.5% G& k2 Q8 r; p4 V$ s G 3 1/4 3 1/4" 93.98 2.309 11 92.501 91.022 1.479 91 8 C( `- g a lG 3 1/2 3 1/2" 100.33 2.309 11 98.351 97.372 1.479 97.757 c* r7 B7 q; {1 e G 3 3/4 3 3/4" 106.68 2.309 11 105.201 103.722 1.479 1041 D" b$ Q2 l6 d G 4 4" 113.03 2.309 11 111.55 110.072 1.479 110.5 3 e: `! ~0 J% x6 i2 _$ b% XG 4 1/2 4 1/2" 125.73 2.309 11 124.251 122.772 1.479 123 + f7 ^4 A9 E% l5 eG 5 5" 138.43 2.309 11 136.951 135.472 1.479 136 ! U' b" U/ T# Q; J+ B p2 _- }3 zG 5 1/2 5 1/2" 151.13 2.309 11 149.651 148.172 1.479 148.5- Z$ j. R# I! F. u* @4 H& A7 T G 6 6" 163.83 2.309 11 162.351 160.872 1.479 161.5 # a6 o* C4 Q6 G- @/ @8 @资料来源:中国机械cad必威APP精装版下载 |
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