Cabin pressure outflow control valve having non-linear flow...
Control apparatus for controlling gas flow in a molecular region
Engine shutdown valve
Exhaust-gas recirculation valve
Gate valve
Gate valve
Gate valve
Gate valve apparatus
Gate valve for vacuum apparatus
Long life rotary gate valve for aircraft vacuum toilet system
Manually actuatable selector valve for breath sampling apparatus
Method and apparatus for providing vacuum isolation
Vacuum valve
Valve assembly having novel flow characteristics
Valve essentially gastight closing of a flow path
Valve for essentially gastight closing a flow path
Valve for essentially gastight closing a flow path
Valve with rolling closure member