rotary actuator / hydraulic / double-acting / compact
SM4 Eckart



  • Movement:


  • Type:


  • Technology:


  • Other characteristics:

    compact, for heavy loads, high-efficiency, high-torque, helical, wear-resistant, industrial, ATEX

  • Force:

    Max.: 256.25 kN

    Min.: 1.45 kN

  • Torque:

    Max.: 250,000 Nm (184,390.54

    Min.: 180 Nm (132.76


Rotary actuator SM4
extremely powerful and scalable
at a glance
operating pressure up to 250 bar
compact und robust
wear resistant
efficient end cushioning
adjustable drive shaft datum
angle adjustment ± 5°
The reference
among the rotary actuators
The SM4 is a rotary actuator with an operating pressure up to 250 bar, which works according to the 'helical gear' principle. How often have you searched for a rotary unit capable of executing a rotary movement or a limited rotational movement in an extremely small installation space? Frequently? If so, then Eckart can offer the perfect solution with its current 250-bar rotary actuator, the small and compact SM4.