針形截止閥 內螺紋尺寸與公稱尺寸的對應關系
2018-01-27 00:06:14??????點擊:
針形截止閥 內螺紋尺寸與公稱尺寸的對應關系
公稱尺寸 DN | 3 | 6 | 10 | 15 | 20 | 25 | |
螺紋尺寸 | 55℃ | Rcl/8 | Rcl/4 | Rc3/8 | Rcl/2 | Rc3/4 | Rcl |
60℃ | NPT1/8 | NPT1/4 | NPT3/8 | NPT1/2 | NPT3/4 | NPT1 | |