Electromechanical actuator for a bulk-goods shut-off element

Damper assembly

Valve opening and closing mechanism

Two-shutter valve

Air intake device for a heat engine with a cooled main circulation system and a bypass system equipped with a heating mechanism

Pressure balanced swing valve for engine system

Dual butterfly valve driven by a common drive motor

Exhaust bypass valve remote linkage

Damper vane

Method and mechanism for symmetrically controlling pressure in process chamber