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 area 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 |
| 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 |
