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 
FK2016HC 
29.4 J 
0.3  1.0 m/s 
60 cycles/min 
18.1 N 
5  70 °C 
16 mm 
93mm 
93mm 
FK2016MC 
29.4 J 
0.3  2.0 m/s 
60 cycles/min 
18.1 N 
5  70 °C 
16 mm 
93mm 
93mm 
FK2016LC 
29.4 J 
0.3  3.0 m/s 
60 cycles/min 
18.1 N 
5  70 °C 
16 mm 
93mm 
93mm 
Cap Length: 17mm Cap Diameter: 18mm 

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 
FK2016HS 
29.4 J 
0.3  1.0 m/s 
60 cycles/min 
18.1 N 
5  70 °C 
16 mm 
110mm 
110mm 
FK2016MS 
29.4 J 
0.3  2.0 m/s 
60 cycles/min 
18.1 N 
5  70 °C 
16 mm 
110mm 
110mm 
FK2016LS 
29.4 J 
0.3  3.0 m/s 
60 cycles/min 
18.1 N 
5  70 °C 
16 mm 
110mm 
110mm 

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 
FK2022HS 
44.1 J 
0.3  1.0 m/s 
60 cycles/min 
39.2 N 
5  70 °C 
22mm 
112mm 
90mm 
FK2022MS 
44.1 J 
0.3  2.0 m/s 
60 cycles/min 
39.2 N 
5  70 °C 
22mm 
112mm 
90mm 
FK2022LS 
44.1 J 
0.3  3.0 m/s 
60 cycles/min 
39.2 N 
5  70 °C 
22mm 
112mm 
90mm 

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 
FK2050HR 
98 J 
0.3  2.0 m/s 
30 cycles/min 
39.2 N 
5  70 °C 
50 mm 
223.5mm 
156.5mm 
FK2050MR 
98 J 
0.3  3.0 m/s 
30 cycles/min 
39.2 N 
5  70 °C 
50 mm 
223.5mm 
156.5mm 
FK2050LR 
98 J 
0.3  3.0 m/s 
30 cycles/min 
39.2 N 
5  70 °C 
50 mm 
223.5mm 
156.5mm 
Cap Length: 17mm Cap diameter: 18mm 

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 
FK2530HS 
88.2 J 
0.3  1.0 m/s 
60 cycles/min 
29.4 N 
5  70 °C 
30 mm 
140mm 
110mm 
FK2530MS 
88.2 J 
0.3  2.0 m/s 
60 cycles/min 
29.4 N 
5  70 °C 
30 mm 
140mm 
110mm 
FK2530LS 
88.2 J 
0.3  3.0 m/s 
60 cycles/min 
29.4 N 
5  70 °C 
30 mm 
140mm 
110mm 

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 
FK2530HC 
88.2 J 
0.3  1.0 m/s 
60 cycles/min 
29.4 N 
5  70 °C 
30 mm 
158mm 
110mm 
FK2530MC 
88.2 J 
0.3  2.0 m/s 
60 cycles/min 
29.4 N 
5  70 °C 
30 mm 
158mm 
110mm 
FK2530LC 
88.2 J 
0.3  3.0 m/s 
60 cycles/min 
29.4 N 
5  70 °C 
30 mm 
158mm 
110mm 
Cap Length: 18mm Cap diameter: 22mm 

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 
FK2540HC 
117 J 
0.3  1.0 m/s 
60 cycles/min 
71.5 N 
5  70 °C 
40mm 
185.5mm 
124.5mm 
FK2540MC 
117 J 
0.3  2.0 m/s 
60 cycles/min 
71.5 N 
5  70 °C 
40mm 
185.5mm 
124.5mm 
FK2540LC 
117 J 
0.3  3.0 m/s 
60 cycles/min 
71.5 N 
5  70 °C 
40mm 
185.5mm 
124.5mm 
Cap Length: 21mm Cap Diameter: 22mm 

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 
FK2550HR 
147 J 
0.3  1.5 m/s 
30 cycles/min 
39.2 N 
5  70 °C 
50mm 
228mm 
160mm 
FK2550MR 
147 J 
0.3  2.0 m/s 
30 cycles/min 
39.2 N 
5  70 °C 
50mm 
228mm 
160mm 
FK2550LR 
147 J 
0.3  3.0 m/s 
30 cycles/min 
39.2 N 
5  70 °C 
50mm 
228mm 
160mm 
Cap Length: 18mm Cap Diameter: 22m 