Motion Control
TYPESStroke inchL extended inchCompression force max. lbs

Hydraulic Dampers

Linear motion control

Compression force max. 11,240 lbs
Stroke 12.24 inch

High quality and long service life: The hydraulic dampers of the product family HB can also be used as single or double acting brake. Its coated body and piston rods with wear-resistant surface treatment are features of high quality and long service life.

The maintenance free, ready-to-install and closed systems provide a constant feed rate and are adjustable. The control segment on the piston makes adjustment at the end position child’s play. Thanks to a broad selection of end fittings the assembly is easy to mount, so that the damper can be universally deployed for damping swinging masses, such as in power or free conveyors.

CAD Drawings


No downloads available for this product


Stroke12.24 inch
L extended28.78 inch

Technical Data

Compression force max. 11,240 lbs

Traction force max. 11,240 lbs

Outer body diameter Ø 2.75 in inch

Piston rod diameter Ø 0.55 in

Lifetime Approx. 250,000 cycles

Free travel Construction of the damper results in a free travel of approx. 20 % of stroke.

Separator piston Available as a special option without free travel achieved by separator piston and nitrogen accumulator.

Operating temperature range -4 °F to 176 °F

Adjustment Achieved by turning the piston rod in its fully extended or fully compressed position.

Positive stop External positive stops 0.20"""" to 0.24"""" before the end of stroke provided by the customer.

Damping medium Hydraulic oil or Automatic Transmission Fluid (ATF)

Material Outer body: Coated steel; Piston rod: Hard chrome plated steel; End fittings: Zinc plated steel

Mounting In any position


Increased break-away force if unit has not moved for some time.

End fittings

They are interchangeable and if necessary must be positively secured by the customer to prevent unscrewing.

On request

Special oils, other special options and special accessories are available on request.

General information

Application Examples

Hydraulic Dampers - HB-12 to HB-70
Key Dollar Cab began looking for a way to provide smooth, controlled motion when opening orchard tractor doors. They came in touch with ACE from a local distributor and worked with our team to find the perfect solution.
A custom HB15 damper...
Hydraulic Dampers - HB-12 to HB-70
The delivery of goods has become very popular with supermarkets. This has increased the demand for bicycles to avoid congestion and contribute to environmental protection. For this type of transport and fast deliveries, a customized small series...
Hydraulic Dampers - HB-12 to HB-70
In the past, operators of used-clothes containers could sustain injury because the flaps closed relatively quickly and uncontrollably. Various HB-15 hydraulic dampers from ACE, which are designed specifically for the type of container, regulate...
Hydraulic Dampers - HB-12 to HB-70
Passengers always feel the swinging movement involved when cable cars arrive at the ski station. Maintenance-free HB-40 hydraulic dampers from ACE cushion these movements perfectly. Constructions of the cable cars, connected by means of an...
Hydraulic Dampers - HB-12 to HB-70
Incorrectly tensioned spokes can cause the rims of bicycle wheels to distort. To avoid this, consistent values are always required when tensioning. This is assured by ACE hydraulic dampers installed in high-quality wheel aligning machines in the...
Hydraulic Dampers - HB-12 to HB-70
The innovative designer of the Wingsprayer from the Netherlands relies on ACE hydraulic dampers to make the spraying of agricultural chemicals more efficient, being gentle on the environment at the same time. They stabilize the delicate wings of...

Application Areas

  • Conveyor systems
  • Transport systems
  • Furniture industry
  • Locking systems
  • Sports equipment
  • Amusement industry
  • Offshore industry
On automotive, automation and machine building, oil & gas, amusement, medical technology or the electronics and furniture industry, these machine elements are found in a number of different areas.

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