Exceptionally high endurance and with the lowest resetting force

Self-Compensating, Rolling Diaphragm Technology
Energy capacity 20 Nm/cycle
Stroke 12 mm

Tried-and-tested and durable: Due to a hermetically sealed rolling diaphragm in each absorber, the MC150 to MC600 product family is suitable for an exceptional high lifetime of use with up to 25 million cycles. The rolling diaphragm technology perfected by ACE ensures complete separation of the damping fluid from the surrounding air. This makes direct installation in a pressure chamber e.g. as end stop damping in pneumatic cylinders up to approx. 7 bar possible.

The rolling diaphragm also benefits the very low return forces of these maintenance-free, ready-to-install absorbers. Progressive energy capacities, with a wide range of effective weight potential make these miniature shock absorbers, complete with an integrated positive stop a winner. Furthermore, the use of a side load adapter allows impact angles of up to 25°.

Miniature shock absorbers capable of universal mounting even inside a cylinder and also available in stainless steel options. They are often used in mechanical and plant engineering, and a multitude of other applications.

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Self-Compensating, Rolling Diaphragm Technology


Stroke12 mm

Technical data

Energy capacity 20 Nm/cycle

Effective weight min. 8.6 kg

Effective weight max. 86 kg

Return Force min. 3 N

Return Force max. 8 N

Return Time 0.4 s

Side Load Angle max. 4 °

Impact velocity range 0.06 m/s to 6 m/s. Other speeds on request.

Operating temperature range 0 °C to 66 °C

Mounting in any position

Positive stop Integrated

Material Outer body, Accessories: steel corrosion-resistant coating; Main bearing: plastic; Piston rod: hardened stainless steel (1.4125, AISI 440C); Rolling diaphragm: EPDM

Damping medium oil, temperature stable


If precise end position datum is required consider use of the stop collar type AH.

Safety information

External materials in the surrounding area can attack the rolling seal and lead to a shorter service life. Please contact ACE for appropriate solution suggestions. Suitable for use in pressure chambers up to 7 bar.

On request

Increased corrosion protection. Special threads or other special options.

General information

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