Piston tube design for maximum energy absorption

Self-Compensating, Piston Tube Technology
Energy capacity 340 Nm/cycle
Stroke 23.1 mm

True performers: The combination of the proven sealing technology from the MAGNUM range including membrane accumulator with the well-known piston tube technology from the SC² family makes the SC33 to 45 absorber models so strong and durable. The increase of the oil volume ensures the maximum effective weights. Short stroke lengths of 25 mm to 50 mm lead to shorter braking times in combination with a high energy absorption.

These dampers safely and reliably decelerate rotary movements without unwanted recoil effects. Assembly close to the pivot point is possible. The low impact speeds with this are managed with ease by ACE's generation of piston tubes.
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Self-Compensating, Piston Tube Technology


Stroke23.1 mm
A max.189 mm
B max.25 mm
L1 min.50 mm
L1 max.112 mm
L2139 mm
L362.5 mm
L5 max.68 mm
L6 max.244 mm

Technical data

Energy capacity 340 Nm/cycle

Energy capacity 107,000 Nm/h

Effective weight min. 6,350 kg

Effective weight max. 13,600 kg

Return Force max. 104 N

Return Force min. 67 N

Return Time 0.8 s

Side Load Angle max. 4 °

Impact velocity range 0.02 m/s to 0.46 m/s. Other speeds on request.

Operating temperature range -12 °C to +66 °C. Other temperatures on request.

Mounting in any position

Positive stop Integrated

Damping medium low temperature hydraulic oil


A noise reduction of 3 to 7 dB is possible when using the special impact button (PP).

Safety information

External materials in the surrounding area can attack the seal components and lead to a shorter service life. Please contact ACE for appropriate solution suggestions. Do not paint the shock absorbers due to heat emission.

On request

Special oils, mounting inside air cylinders or other special options are available on request.

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