TYPES	Stroke mm	L extended mm	Compression force max. N	Compression force with MBS max. N
HBS-70-100	111	561	40,000	40,000
HBS-70-200	211	861	40,000	40,000
HBS-70-300	311	1,161	40,000	40,000
HBS-70-400	411	1,461	30,300	40,000
HBS-70-500	511	1,761	21,600	40,000
HBS-70-600	611	2,061	16,200	40,000
HBS-70-700	711	2,361	12,600	40,000
HBS-70-800	811	2,661	10,100	40,000

Hydraulic Dampers
HBS-70-300

Direction change backlash free linear motion regulation

Adjustable, Without Free Travel
Compression force max. 40,000 N
Stroke 311 mm

Damping either in one or both directions: The hydraulic dampers of the product family HBS are made in a slim gas spring design and are compact and high in performance. Maintenance-free and ready-to-install they allow precise setting of retraction and extension speeds without any free travel when changing direction.

These hydraulic dampers offer constant feeding rates and can be finely tuned via the screw adjustment. A control segment on the piston makes the adjustment at the end position child’s play. Thanks to many add-on components the assembly is easy to mount, so that the damper can be universally deployed for damping back and forth swinging masses, such as in power or free conveyors.

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CAD Drawings

HBS-70-300

Adjustable, Without Free Travel

Dimensions

Stroke	311 mm
L extended	1,161 mm

Technical data

Compression force max. 40,000 N

Compression force with MBS max. 40,000 N

Traction force max. 40,000 N

Outer body diameter Ø 70 mm mm

Piston rod diameter Ø 30 mm

Lifetime Approx. 10,000 m

Operating temperature range -20 °C to +80 °C

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. The adjustment can add a max. of 5 mm to the L dimension.

Positive stop External positive stops 5 mm to 6 mm before the end of stroke provided by the customer.

Damping medium hydraulic oil

Material Outer body: zinc plated or coated steel; Piston rod: hard chrome plated steel; 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.

Safety information

For long strokes with high forces use swivel mounting block MBS.

On request

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