China Single-Direction Ball Valve Outer Screw Male (for fire fighting truck), Find details about China One Way Ball Valve, Ball Valve from Single-Direction Ball Valve Outer Screw Male (for fire fighting truck)
| Round ball valve | Square ball valve | Three way ball valve | Flange hole pitch |
| 2" | 2" | 2" | 125 |
| 2.5" | 2.5" | 2.5" | 145 |
| 3" | 3" | 3" | 160 |
| 4" | 4" | 4" | 180 |
| 6" | 6" | 240 |