Hydraulic double-piston rotary units in bronze

The 420 series is a partially seawater-resistant version of the 400 series and has been available for seawater applications since 1995.




Series production switching angle 90°
Maximum control pressure120 bar (up to 160 bar possible)
Control mediumHydraulic fluids
Maximum power250 Nm (programme extension up to 2000 Nm possible)
Piston diameters25 / 40 mm

Downloads for this product group

 Technical descriptions / Performance data
  Technical notes
 Functional drawings
  Parts list / materials
 Operating and maintenance instructions
 Replacement parts lists

Product groups

Pneumatic and hydraulic actuators.

Technical information

Performance tables, dimension sheets and much more.


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