The coaxial hydropneumatic governor consists of a pneumatic power section and a hydraulic control section. Caracteristics This device is used to adjust and standardise speed; if installed, it makes it possible to solve any space problems in the machines. The hydraulic circuit is closed, without any air-oil contact; the versions listed below are available: - adjustment with rod out - adjustment with rod in - double adjustment All versions can be provided with a speed control device: - quick approach (SKIP N.A.) - stop (STOP N.A.)