Model 
Max. energy absorption J 
Range of impact rate m/s 
Max. cycle rate cycle/min 
Extension force N (kgf) 
Operating temperature °C 
Stroke mm 
Overall Length mm 
Cylinder Length mm 
FK2725HS

79 J 
0.3  1.0 m/s 
60 cycles/min 
27.3 N 
5  70 °C 
25mm 
117.5mm 
92.5mm 
FK2725MS

79 J 
0.3  2.0 m/s 
60 cycles/min 
27.3 N 
5  70 °C 
25mm 
117.5mm 
92.5mm 
FK2725LS

79 J 
0.3  3.0 m/s 
60 cycles/min 
27.3 N 
5  70 °C 
25mm 
117.5mm 
92.5mm 

Model 
Max. energy absorption J 
Range of impact rate m/s 
Max. cycle rate cycle/min 
Extension force N (kgf) 
Operating temperature °C 
Stroke mm 
Overall Length mm 
Cylinder Length mm 
FK2725HC

79 J 
0.3  1.0 m/s 
60 cycles/min 
27.3 N 
5  70 °C 
25mm 
137.5mm 
92.5mm 
FK2725MC

79 J 
0.3  2.0 m/s 
60 cycles/min 
27.3 N 
5  70 °C 
25mm 
137.5mm 
92.5mm 
FK2725LC

79 J 
0.3  3.0 m/s 
60 cycles/min 
27.3 N 
5  70 °C 
25mm 
137.5mm 
92.5mm 
Cap Length: 20mm Cap Diameter: 23m 

Model 
Max. energy absorption J 
Range of impact rate m/s 
Max. cycle rate cycle/min 
Extension force N (kgf) 
Operating temperature °C 
Stroke mm 
Overall Length mm 
Cylinder Length mm 
FK3035HS

196 J 
0.3  1.0 m/s 
30 cycles/min 
47.1 N 
5  70 °C 
35mm 
171.5mm 
136.5mm 
FK3035MS

196 J 
0.3  2.0 m/s 
30 cycles/min 
47.1 N 
5  70 °C 
35mm 
171.5mm 
136.5mm 
FK3035LS

196 J 
0.3  3.0 m/s 
30 cycles/min 
47.1 N 
5  70 °C 
35mm 
171.5mm 
136.5mm 

Model 
Max. energy absorption J 
Range of impact rate m/s 
Max. cycle rate cycle/min 
Extension force N (kgf) 
Operating temperature °C 
Stroke mm 
Overall Length mm 
Cylinder Length mm 
FK3035HC

196 J 
0.3  1.0 m/s 
30 cycles/min 
47.1 N 
5  70 °C 
35mm 
190mm 
136.5mm 
FK3035MC

196 J 
0.3  2.0 m/s 
30 cycles/min 
47.1 N 
5  70 °C 
35mm 
190mm 
136.5mm 
FK3035LC

196 J 
0.3  3.0 m/s 
30 cycles/min 
47.1 N 
5  70 °C 
35mm 
190mm 
136.5mm 
Cap Length: 18.5mm Cap Diameter: 27mm 

Model 
Max. energy absorption J 
Range of impact rate m/s 
Max. cycle rate cycle/min 
Extension force N (kgf) 
Operating temperature °C 
Stroke mm 
Overall Length mm 
Cylinder Length mm 
FK3625AHC

150 J 
0.3  1.0 m/s 
30 cycles/min 
100 N 
5  70 °C 
25mm 
150mm 
106.5mm 
FK3625AMC

200 J 
0.3  2.0 m/s 
30 cycles/min 
100 N 
5  70 °C 
25mm 
150mm 
106.5mm 
FK3625ALC

200 J 
0.3  3.0 m/s 
30 cycles/min 
100 N 
5  70 °C 
25mm 
150mm 
106.5mm 
Cap Length: 18.5mm Cap Diameter: 31mm 

Model 
Max. energy absorption J 
Range of impact rate m/s 
Max. cycle rate cycle/min 
Extension force N (kgf) 
Operating temperature °C 
Stroke mm 
Overall Length mm 
Cylinder Length mm 
FK3650HS

392 J 
0.3  1.0 m/s 
30 cycles/min 
68.6 N 
5  70 °C 
50mm 
218.5mm 
168.5mm 
FK3650MS

392 J 
0.3  2.0 m/s 
30 cycles/min 
68.6 N 
5  70 °C 
50mm 
218.5mm 
168.5mm 
FK3650LS

392 J 
0.3  3.0 m/s 
30 cycles/min 
68.6 N 
5  70 °C 
50mm 
218.5mm 
168.5mm 

Model 
Max. energy absorption J 
Range of impact rate m/s 
Max. cycle rate cycle/min 
Extension force N (kgf) 
Operating temperature °C 
Stroke mm 
Overall Length mm 
Cylinder Length mm 
FK3650HC

392 J 
0.3  1.0 m/s 
30 cycles/min 
68.6 N 
5  70 °C 
50mm 
238mm 
168.5mm 
FK3650MC

392 J 
0.3  2.0 m/s 
30 cycles/min 
68.6 N 
5  70 °C 
50mm 
238mm 
168.5mm 
FK3650LC

392 J 
0.3  3.0 m/s 
30 cycles/min 
68.6 N 
5  70 °C 
50mm 
238mm 
168.5mm 
Cap Length: 19.5mm Cap Diameter: 33mm 