TYPES	Stroke inch	L extended inch	Compression force max. lbs
HB-12-10	0.39	2.17	40.47
HB-12-20	0.79	2.95	40.47
HB-12-30	1.18	3.74	40.47
HB-12-40	1.57	4.53	40.47
HB-12-50	1.97	5.31	40.47
HB-12-60	2.36	6.10	40.47
HB-12-70	2.76	6.89	40.47
HB-12-80	3.15	7.68	33.72

Hydraulic Dampers
HB-12-70

Linear motion control

Adjustable
Compression force max. 40.47 lbs
Stroke 2.76 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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HB-12-70

Adjustable

Dimensions

Stroke	2.76 inch
L extended	6.89 inch

Technical Data

Compression force max. 40.47 lbs

Traction force max. 40.47 lbs

Outer body diameter Ø 0.47 in inch

Piston rod diameter Ø 0.16 in

Lifetime Approx. 250,000 cycles

Free travel Construction of the damper results in a free travel of approx. 21 % of stroke.

Separator piston -

Operating temperature range -4 °F to 176 °F

Adjustment Achieved by turning the piston rod in its fully extended or fully compressed position.
Clockwise rotation = increase of the damping
Anti-clockwise rotation = decrease of the damping
Damping force adjustable before installation. Adjustment can add a max. of 0.24 in to the L dimension.

Positive stop External positive stops 0.04"""" to 0.06"""" 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: Stainless steel (1.4301/1.4305, AISI 304/303); 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, other special options and special accessories are available on request.

HB-12-70

Adjustable