Pneumatic Piston Gate Valve
It has a pneumatic piston driven gate valve. They provide a metal-to-metal seal. They are not resistant to pressure, they are used as automatic on-off valves under the silo.
Pneumatic Piston Gate Valve
It has a pneumatic piston driven gate valve. They provide a metal-to-metal seal. They are not resistant to pressure, they are used as automatic on-off valves under the silo.