Hydraulic & Pneumatic Systems
Parker Hydraulics and Pneumatics Ltd, Unit 5, Ashbourne Estate, Mile Cross Lane, Norwich, NR6 6RY

7196Ace MC33-MC64 Shock Absorbers.

Ace Controls


This range of self-compensating shock absorbers is part of the innovative MAGNUM series from ACE. You profit from the enhanced product life in the most difficult operating environments provided by the latest seal technology, hardened main bearing and also the integrated positive stop. You achieve 50% more energy absorption capacity and a much wider range of effective weight capability of mounting shock absorbers with the highest energy capacity ratings for their size in the industry and allows full exploitation of your machinery potential. You can access new possibilities in machine design and construction since this range offers such features as a full threaded outer body and a new clamping flange system.

Impact velocity range: 0.15 to 5 m/s, on request under 0.15 m/s and up to 20 m/s.

Operating fluid: Automatic Transmission Fluid (ATF) at 42cSt.

Material: Shock absorber body: Nitride hardened steel. Accessories: Steel with black oxide finish or nitride hardened. Piston rod: Steel hardened and chrome plated. Rod end button: Hardened steel with black oxide finish. Return spring: Zinc plated or plastic-coated. For optimum heat dissipation do not paint shock absorber.

Capacity rating: For emergency use only applications, it is sometimes possible to exceed the published max. capacity ratings. Please consult us for further details. If your application exceeds the tabulated W4 figures (max. energy per hour Nm/hr), consider additional cooling. Ask us for further details.

Mounting: In any position.

Operating temperature range: -12° C to 70° C.

On request: Plated finishes. Weartec finish (seawater resistant), special oils. Mounting inside air cylinders and other special options are available on request.

Noise reduction: 3 to 7 dB when using the impact buttons with urethane insert.

For further information relating to this product or any of our other product ranges, please call us on 01603 403 190, or alternatively, email us at sales@parkerhydraulics.co.uk today to request a free quotation or to purchase any of our products.

Part Number Max. Energy Capacity Effective Weight me Min Return Force (N) Max Return Force (N) Rod Reset Time (S)
W3 W4 Self Compensating
Nm/Cycle Nm/H me min. Kg me max. Kg
MC3325EUM 155 75 000 3 1 420 45 90 0.03
MC3350EUM 310 85 000 5 2 830 45 135 0.06
MC4525EUM 340 107 000 7 3 540 70 100 0.03
MC4550EUM 680 112 000 13 7 100 70 145 0.08
MC4575EUM 1 020 146 000 20 10 600 50 180 0.11
MC6450EUM 1 700 146 000 35 21 200 90 155 0.12
MC64100EUM 3 400 192 000 70 42 500 105 270 0.34
MC64150EUM 5 100 248 000 100 63 700 75 365 0.48
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