Airline-liquid Locking Device,connect airline valve and liquid valve by locking. It prevent the tank container sucked.
1.5” BSP Airline ball valve(locking with bottom valve), with flange inlet and 1.5”BSP thread outlet. The air through it when loading and discharging. It also used with N2 protection in special condition. 1/4”BSP gauge connection and handle with TIR.
★Before discharging, the airline valve must be opened before opening bottom valve, or it is forbidden to open bottom valve.
★After discharging, the bottom valve must be closed before closing airline valve, or it is forbidden to close airline valve.