TYPES	Stroke inch	L extended inch
HB50-100	3.94	13.04
HB50-200	7.87	20.92
HB50-300	11.81	28.79
HB50-400	15.75	36.67
HB50-500	19.69	44.54
HB50-600	23.62	52.41
HB50-700	27.56	60.29
HB50-800	31.50	68.16

Hydraulic Dampers
HB50-300

Linear motion control

Adjustable
Compression and extension force 1,100 lbs to 7,700 lbs
Stroke 11.81 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.

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CAD Drawings

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HB50-300

Adjustable

Dimensions

Stroke	11.81 inch
L extended	28.79 inch

Technical Data

Traction force max. 5,814 lbs

Outer body diameter Ø 2 in inch

Piston rod diameter Ø 0.75 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 Pull the piston rod out to its fully extended position. While pulling on the rod, turn it clockwise or counter-clockwise until the desired damping is achieved. The adjustment is multi-turn and correct damping may require several trial and error adjustments. A built-in antilock guard allows adjustments to be made at any damping rate without unit lock up.

Positive stop External positive stops 0.04 in to 0.24 in before the end of stroke provided by the customer.

Damping medium Hydraulic oil or Automatic Transmission Fluid (ATF)

Material Outer body: Steel; Piston rod: Steel with wear-resistant coating; End fittings: Zinc plated steel

Mounting In any position

Note

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, damping characteristics, and stroke lengths. Alternative accessories available on request.

HB50-300

Adjustable