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Hydro-pneumatic actuator / rotary - 1500 Ncm, 6 bar, max. 365° | DAD series
The hydraulic-pneumatic rotary actuator, or HPA, was developed to deal with accelerated mass in pneumatics. If an actuator is not protected, it may self-destruct due to the kinetic energy. Speed can be controlled by throttle valves. Hydraulic shock absorbers can be installed to help dampen accelerated mass before it reaches the end positions. However, the valves and shock absorbers alone are not totally satisfactory. This is where these rotary actuators come in. The compressible, clean air continues to work for actuation. In order for the moving mass to be controlled, oil, which is non-compressible, is used in the closed hydraulic system. This setup allows for the rotation speed to be adjusted to a precise amount. After an E-stop, restart can be done without any problems. There are two rotation speeds that are independent as well as adjustable.