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.
Performance
| Series production switching angle 90° | |
| Maximum control pressure | 120 bar (up to 160 bar possible) |
| Control medium | Hydraulic fluids |
| Maximum power | 250 Nm (programme extension up to 2000 Nm possible) |
| Piston diameters | 25 / 40 mm |
