High return forces with gas pressure accumulator

Crane Installations, Optimized Characteristic
Energy capacity 49,100 Nm/cycle
Stroke 300 mm

Reliabity: The emergency stop from the large scale SDP63 to SDP160 product family have internal system seals. Even dirt or damages to the piston rod do not lead to a leakage or failure. Compressed gas accumulators allow return forces of up to 100 kN, which can make applications in multiple bridge crane systems safer, for example. The absorber body and the robust, large-sized piston rod bearing are also designed for heavy duty operations

Just like all ACE safety shock absorbers, the characteristic curve or damping characteristics of each individual absorber is individually adjusted to the respective application.
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Crane Installations, Optimized Characteristic


Stroke300 mm
A max.980 mm
B643.5 mm
C395 mm

Technical data

Energy capacity 49,100 Nm/cycle

Reacting Force 180,000 N

Return Force min. 1,500 N

Return Force max. 20,000 N

Side Load Angle max.
1.6 °

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

Operating temperature range -20 °C to +60 °C. Other temperatures on request.

Mounting in any position

Positive stop Integrated

Damping medium HLP 46

Filling pressure approx. 5 bar. Rod return by integrated nitogen accumulator.


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.

General information

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