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Hi-Force HFA Single Acting Failsafe Lock Ring Aluminum Cylinders – Spring Return

Hi-Force HFA Aluminum Failsafe Lock Ring Spring Assist Return Cylinders Up To 121 Tons (110Tonnes)

  • CAPACITIES FROM 35 TO 121 TONS (32 TO 110 TONNES)
  • STROKE LENGTHS FROM 2 TO 12.02 INCHES (51 TO 305 MM)
  • WORKING PRESSURE 10,000 PSI (700BAR)

HFA range of single acting failsafe lock ring aluminum cylinders offers the benefit of significantly reduced weight over conventional steel cylinders as well as combining all the versatility and efficiency of hydraulic power with the safety of a mechanical load support.

Ideally suited for applications requiring sustained load holding for extended periods, such as bridge support work, the HFA cylinders feature a single-acting, spring assisted return piston threaded throughout its stroke length, to suit the threaded mechanical load holding lock ring. Other capacities and stroke lengths are available on request.

  • Single Acting Spring-assisted return,
  • Low friction bearing surfaces,
  • Tilting saddle – standard,
  • Hard anodized piston rod and cylinder for corrosion resistance,
  • Anti-extrusion seals,
  • Integral stop ring,
  • Optional piston rod saddles available.

Download the PDF Spec Sheet HERE

SPECIFICATIONS

Standard

MODEL NO. CAPACITY TONS STROKE INCH OIL CAP. IN3 CYL. EFF. AREA IN2 WEIGHT LBS TOMMY BAR
HFA302 35 2.00 14.15 7.04 13.2 TTB10
HFA306 35 6.00 42.15 7.04 17.6 TTB10
HFA3012 35 12.02 84.55 7.04 24.3 TTB10
HFA502 56 2.00 22.20 11.05 19.8 TTB10
HFA506 56 6.00 66.12 11.05 24.3 TTB10
HFA5012 56 12.02 132.68 11.05 37.5 TTB10
HFA1002 121 2.00 47.89 23.85 52.9 TTB10
HFA1006 121 6.00 142.74 23.85 66.1 TTB10
HFA10012 121 12.02 286.40 23.85 86.0 TTB10
Dimensions
MODEL NO. A B C D
HFA302 8.94 4.26 1.97 0.79
HFA306 12.92 4.26 1.97 0.79
HFA3012 18.95 4.26 1.97 0.79
HFA502 9.10 5.24 2.76 1.00
HFA506 13.08 5.24 2.76 1.00
HFA5012 19.11 5.24 2.76 1.00
HFA1002 10.91 7.96 3.94 1.38
HFA1006 14.89 7.96 3.94 1.38
HFA10012 20.92 7.96 3.94 1.38

 Metric

MODEL NO. CAPACITY TONNES STROKE MM OIL CAP. CM3 CYL. EFF. AREA CM2 WEIGHT KG TOMMY BAR
HFA302 32 51 232 45.4 6.0 TTB10
HFA306 32 152 691 45.4 8.0 TTB10
HFA3012 32 305 1386 45.4 11.0 TTB10
HFA502 51 51 364 71.3 9.0 TTB10
HFA506 51 152 1084 71.3 11.0 TTB10
HFA5012 51 305 62175 71.3 17.0 TTB10
HFA1002 110 51 785 153.9 24.0 TTB10
HFA1006 110 152 2340 153.9 30.0 TTB10
HFA10012 110 305 4695 153.9 39.0 TTB10

Dimensions

MODEL NO. A B C D
HFA302 227 108 50 20
HFA306 328 108 50 20
HFA3012 481 108 50 20
HFA502 231 133 70 25
HFA506 332 133 70 25
HFA5012 485 133 70 25
HFA1002 277 202 100 35
HFA1006 378 202 100 35
HFA10012 531 202 100 35