55°圆柱管螺纹的型式和尺寸
(2006-03-13 14:35:28 )
British Pipe Thread (惠氏管螺纹) -- 圆柱(BSPP/BSPF)
螺纹代号基本尺寸大径螺距每英寸牙数中径小径牙型高度底孔尺寸
mm mm tpi mm 外螺纹 H1 mm
d=D p d2=D2 d3
G 1/8 1/8" 28
G 1/4 1/4" 19
G 3/8 3/8" 19 15
G 1/2 1/2" 14 19
G 5/8 5/8" 14
G 3/4 3/4" 14
G 7/8 7/8" 14 28
G 1 1" 11
G 1 1/8 1 1/8" 11 35
G 1 1/4 1 1/4" 11
G 1 3/8 1 3/8" 11
G 1 1/2 1 1/2" 11 45
G 1 3/4 1 3/4" 11 51
G 2 2" 11 57
G 2 1/4 2 1/4" 11 63
G 2 1/2 2 1/2" 11
G 2 3/4 2 3/4" 11 79
G 3 3" 1
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