Control valve having two independently driven valves

Control valve means

Control valve with split disc

Cut-off valve for power steering systems, especially for...

Damper apparatus

Damper assembly

Damper assembly for closing a duct for hot gases

Damper blade control

Damper construction

Damper vane

Dampers with leaf spring seals

Device for controlling a steam or gas turbine

Device for dispersing exhaust gases

Device for regulating the flow of gases having substantially dif

Device for selectively regulating the flow rate of a fluid

Device for selectively regulating the flow rate of a fluid

Digital flow control system

Digital fluid flow control apparatus

Digital fluid flow control system

Digital fluid flow control system with trim adjustment