55°圆锥管螺纹(BSPT)
基本尺寸 英 寸 R 1/16 1/16\R 1/8 1/8\R 1/4 1/4\R 3/8 3/8\R 1/2 1/2\R 3/4 3/4\R 1 1\R 1 1/4 1 1/4\R 1 1/2 1 1/2\R 2 2\R 2 1/2 2 1/2\R 3 3\R 4 4\R 5 5\R 6 6\螺距 中径 小径 每英寸牙型高圆弧尺牙数 底孔尺寸 mmm 外度 寸 mm m 螺纹 tpmm d2=H1 r d=D i p D2 d3 7.723 0.907 28 7.142 6.561 0.581 0.125 6.4 9.728 0.907 28 9.147 8.566 0.581 0.125 8.4 13.157 1.337 19 12.301 11.445 0.856 0.184 11.2 16.662 1.337 19 15.806 14.950 0.856 0.184 14.75 20.955 1.814 14 19.793 18.631 1.162 0.249 18.25 26.441 1.814 14 25.279 24.117 1.162 0.249 23.75 33.249 2.309 11 31.77 30.291 1.479 0.317 30 41.910 2.309 11 40.431 38.952 1.479 0.317 38.5 47.803 2.309 11 46.324 44.845 1.479 0.317 44.5 59.614 2.309 11 58.135 56.656 1.479 0.317 56 75.184 2.309 11 73.705 72.226 1.479 0.317 71 87.884 2.309 11 86.405 84.926 1.479 0.317 85.5 113.030 2.309 11 111.551 110.072 1.479 0.317 110.5 138.430 2.309 11 136.951 135.472 1.479 0.317 136 163.830 2.309 11 162.351 160.872 1.479 0.317 161.5 大径 螺纹代号 管螺纹尺寸表
55°圆柱管螺纹的型式和尺寸
British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF) 大径 mm 螺纹代号 基本尺寸 G 1/8 G 1/4 G 3/8 G 1/2 G 5/8 G 3/4 G 7/8 G 1 1/8\ 1/4\ 3/8\ 1/2\ 5/8\ 3/4\ 7/8\ 1\ 螺距 每英寸牙mm p 0.907 1.337 1.337 1.814 1.814 1.814 1.814 2.309 2.309 中径 小径 mm 外螺纹 牙型高度 底孔尺寸 d2=D2 d3 H1 9.147 8.566 0.581 12.301 11.445 0.856 15.806 14.95 0.856 19.793 18.631 1.162 21.749 20.587 1.162 25.279 24.117 1.162 29.039 27.877 1.162 31.77 30.291 1.479 36.418 34.939 1.479 数 tpi 28 19 19 14 14 14 14 11 11 d=D 9.728 13.157 16.662 20.955 22.911 26.441 30.201 33.249 37.897 G 1 1/8 1 1/8\ 8.7 11.6 15 19 20.75 24.5 28 30.5 35 mm G 1 1/4 1 1/4\ G 1 3/8 1 3/8\ G 1 1/2 1 1/2\ G 1 3/4 1 3/4\ G 2 2\ G 2 1/4 2 1/4\ G 2 1/2 2 1/2\ G 2 3/4 2 3/4\ G 3 3\ G 3 1/4 3 1/4\ G 3 1/2 3 1/2\ G 3 3/4 3 3/4\ G 4 G 5 G 6 4\ 5\ 6\ G 4 1/2 4 1/2\ G 5 1/2 5 1/2\ 41.91 44.323 47.803 53.746 59.614 65.71 75.184 81.534 87.884 93.98 100.33 106.68 113.03 125.73 138.43 151.13 163.83 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 40.431 38.952 1.479 42.844 41.365 1.479 46.324 44.845 1.479 52.267 50.788 1.479 58.135 56.656 1.479 64.231 62.752 1.479 73.705 72.226 1.479 80.055 78.576 1.479 86.405 84.926 1.479 92.501 91.022 1.479 98.351 97.372 1.479 105.201 103.722 1.479 111.55 110.072 1.479 124.251 122.772 1.479 136.951 135.472 1.479 149.651 148.172 1.479 162.351 160.872 1.479 41.5 45 51 57 63 72.5 79 85. 91 97.75 104 110.5 123 136 148.5 161.5 39.5
管螺纹尺寸表 - 图文
