Device for a fibrous web production or handling line

Apparatus (10) for production and treatment line of a fibrous web having a frame assembly (30) having machine components (20, 40, 45, 55, 60, 67) which are designed for the treatment of which is arranged in connection with the frame assembly fibrous web, characterized in that at least two machine components (60, 67) of the device by the frame assembly (30) or a portion thereof, which connects them, are supported or held, wherein the frame assembly comprises a member (32) which consists of a material having better damping properties than monolithic steel.