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EK / EKL Adjustable Hydraulic Shock Absorbers

EK25x25

EK25x25 adjustable hydraulic shock absorber with 25 mm stroke and 81 Nm/C maximum energy per cycle. Review model dimensions, operating specifications and documents, or request a quote for your application.

EK — Series illustration. Refer to the model drawing for its outline and mounting dimensions.
Series illustration. Refer to the model drawing for its outline and mounting dimensions.
Stroke (mm)
25
Max energy per cycle (Nm/C)
81
Max energy per hour (Nm/h)
77000
Thread size
M25X1.5

Model specifications

Performance and key specifications

Stroke (mm)
25
Optimal velocity range (m/s)
0.3-3.3
Max energy per cycle (Nm/C)
81
Max energy per hour (Nm/h)
77000
Max impact force (N)
4400
Max thrust force (N)
1330

Dimensions and mounting

Total length (mm)
130
Thread size
M25X1.5
Dimension WF (mm)
23.0
Dimension J (mm)
4.6
Dimension F (mm)
104.0
Dimension A1 (mm)
142.7
Dimension G (mm)
22.0
Dimension E1 (mm)
15.7
Dimension D (mm)
6.4
Dimension WL (mm)
12.7
Dimension H (mm)
14.0
Dimension A (mm)
130.0

Selection and installation

Check stroke, energy per cycle and hourly energy together with impact speed, cycle rate, driving force and available installation space. Use external adjustment to match the application; confirm the contact accessory and mounting thread for this model.

Series working principle

The piston forces oil through metering passages to dissipate impact energy. Turning the adjustment knob changes the effective flow area; the return mechanism resets the piston after the load is removed.

Adjustable hydraulic construction

Catalogue cutaway showing the piston, metering path, return spring and external adjustment assembly. The arrows identify component positions rather than measured flow data.

EKD全本样册 · PDF pages 7

Adjustable hydraulic construction

Drawings and documents

Sign in to download the technical files available for this model. Request other formats or mounting configurations with your application details.

Specification sources

Specifications follow the current model catalogue, supported by the referenced catalogue pages and the product database model record.

  • EKD full catalogue (Chinese) · pp. 8
  • Shock absorber catalogue · pp. 8
  • Product database: corresponding model record