Low return force with spring assembly

Crane Installations, Optimized Characteristic
Energy capacity 240,000 Nm/cycle
Stroke 400 mm

Reduced return forces: The ACE safety shock absorbers from the EB-Family offer internal system seals, large sized piston rod bearings and the maximum energy absorption for emergency stop applications. However, an integrated spring package in the robust shock absorber body makes sure that the return forces are reduced much to a fraction of those in the CB-Family.

The characteristic curve or damping characteristics of the maintenance-free and ready-to-install EB models is individually adjusted specific to the customer and to the respective application, just like all ACE safety shock absorbers.
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Crane Installations, Optimized Characteristic


Stroke400 mm
A max.1,400 mm
B940 mm
C600 mm

Technical data

Energy capacity 240,000 Nm/cycle

Effective weight min. 22,700 kg

Effective weight max. 1,920,000 kg

Reacting Force at max. capacity rating = 700 kN max. N

Return Force min. 1,870 N

Return Force max. 18,100 N

Side Load Angle max. 4 °

Impact velocity range 0.5 m/s to 4.6 m/s. Other speeds on request.

Operating temperature range -20 °C to +66 °C. Other temperatures on request.

Mounting in any position

Positive stop Integrated

Damping medium Automatic Transmission Fluid (ATF)

Filling pressure approx. 0.55 bar to 1.1 bar. Rod return by integrated nitogen accumulator combined with additional return spring.


The shock absorber can be pushed through its stroke. In creep speed conditions the shock absorber provides minimal resistance and there is no braking effect.

On request

Special oils, special flanges, additional corrosion protection etc.

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