1、油管 接箍扩孔部分螺纹代号牙数/25.4锥度外径D小端螺纹大径 d2小端螺纹小径 d3 G G1 d外径Dm端面螺纹大径 d1端面螺纹小径 d2 d0 L0 L1 L B1.050UPTBG 33.4 25.727 22.903 27.79 23.50 21.0 33.4 27.298 24.474 28.3 40.5 81.0 1.61.315UPTBG 37.3 33.408 29.584 28.58 24.28 26.6 42.2 34.029 31.205 35.0 41.3 82.6 2.41.660UPTBG 46.0 40.973 38.149 31.75 27.46 35.1
2、52.2 42.792 39.968 43.8 44.4 88.9 3.21.900UPTBG 48.3 46.870 44.046 34.92 30.63 40.9 55.9 48.888 46.064 49.9 47.1 95.2 1.62 3/8 UPTBG60.3 58.539 55.71541.28 36.9847.4 73.0 60.953 58.129 61.954.0 108.02 7/8 UPTBG73.0 70.544 67.72052.40 48.1157.4 88.9 73.653 70.829 74.665.1 130.23 1/2 101:1688.9 86.022 83.19858.75 54.4669.9 108.0 89.528 86.704 90.57.971.4 142.9 4.8DmLL1d210B65.45DGd3265145dAUPTBG 油管及接箍螺纹各部尺寸UPTBG4 UPTBG 101.6 98.622 95.002 60.32 54.36 90.1 120.6 102.148 98.528 103.2 73.0 146.04 1/2 UPTBG8 114.3 111.024 107.404 65.10 59.13 100.5 132.1 114.848 111.228 115.9 9.5 77.8 155.6
