A cat.: 2 / 25,4. B cat.: 2 / 25,4. F (mm): 640 / 908. Piston rod Ø D (mm): 40. Cylinder Ø inner E (mm): 80. Check valve: Top. Lifting force (t): 9. Tensile force (t): 6. Adjustable: No. Stroke (mm): 268. Read more.