FORKARDT - Industrial shock absorbers SDVN

General information

FORKARDT offers, with its new SDVN series, an extremely comprehensive range of versatile shock absorbers for application within a wide variety situations.


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At a glance guide to the most
important advantages:

46 various sizes according to requirements
Piston-diameters 6 - 125 mm
Stroke 13 - 500 mm
Working loads 1.5 - 240,000 Nm

DIN / ISO
Piston & piston rod diameter as per DIN 24334
Seal specifications as per IS0 5597
Adjustable at both ends
From piston diameter of 12 mm:
1. On base
2. On adjusting sleeve

Mounting variations

• Screw mounting either end (0)
• Foot mounting (1)
• Swivel mounting (2)
• Centre trunnion mounting (3)
• Accessories: Square, rectangular or round flanges (suitable for front or rear). External reservoir, silencer, silencer plate.
Depending on requirements four different seal systems available:

N = Polyurethane groove seals for normal applications
D = Double PTFE-Seal system for extreme conditions
Z = Cylinder seals for direct integration with pneumatic cylinders
H = Double PTFE-Seal system, together with
Viton-0-rings, for high temperatures



Strengthened piston rod
Above the 32mm diameter piston sizes a larger rod is available for use with an external oil reservoir or limited stroke.

Special versions
• Telescope designs
• Double end working shock absorbers
• Cylinders with integrated shock absorbers
• Shock absorbers with rust free, nickel plated or chromed external parts


• Crane shock absorbers
• Chair lift shock absorbers
• Pre-set or self-adjusting dampers
• Mid-stroke variants
• Special installation models

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