HFL Range

The HFL low height single acting failsafe lock ring cylinder range combines all the versatility and efficiency of hydraulic power with the safety of mechanical load support, offering a sustainable lifting force in very confined work areas. Ideally suited for applications requiring load holding for extended periods, such as bridge support work. The HFL range features a single acting load return piston, threaded throughout its stroke length to suit the threaded mechanical load holding lock ring. All models are suitable for vertical lifting only and are supplied with tilting saddles as standard.

  • Capacities from 55 to 573 tons
  • Stroke lengths from 1.77 to 2.01 inches
  • Working pressure 10000 psi
  • Single acting load return design
  • Nitrocarburized cylinder and piston rod
  • Low friction bearing surfaces
  • Anti-extrusion seals
  • Tilting saddle fitted as standard
  • Overstroke restrictor port
  • Customized and special design cylinders are available on request

Single Acting Low Height Failsafe Lock Ring Cylinders
Model Number Capacity tons Stroke inch Oil cap. inch3 Cyl. eff. area inch2 Weight lbs Tommy bar
HFL502 55 2.01 21.96 11.05 31.3 TTB10
HFL1002 120 1.97 46.99 23.78 55.3 TTB10
HFL1502 167 1.77 65.29 33.22 97.0 TTB10
HFL2002 224 1.77 86.65 44.19 125.2 TTB14
HFL2502 287 1.77 100.69 56.75 153.0 TTB14
HFL4002 439 1.77 153.18 86.65 266.8 TTB16
HFL5002 573 1.77 200.77 113.13 410.1 TTB20

Model Number Dimensions in inch
A B C D E
HFL502 4.93 5 3.74 2.76 0.75
HFL1002 5.4 7.01 5.52 4.53 0.79
HFL1502 5.91 8.51 6.50 5.32 1.1
HFL2002 6.11 10.01 7.49 5.32 1.18
HFL2502 6.26 10.76 8.51 7.88 1.22
HFL4002 7.01 14.18 10.52 10.24 1.42
HFL5002 7.56 15.76 12.02 11.43 1.69