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HHR Range

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The HHR double acting hollow piston cylinder range incorporates all of the design features of the HHS range with the added benefit of double acting design, which greatly enhances speed of operation and performance particularly in the longer length stroke options. Additionally, a substantial hydraulic pulling force is available in the piston retraction mode of operation. Standard range models are featured below, however other stroke and tonnage options are available on request.

  • Capacities from 36 to 272 tons
  • Stroke lengths from 2.01 to 12.02 inches
  • Working pressure 10000 psi
  • Double acting design
  • Nitrocarburized piston rod
  • Annular area overload protection valve
  • Low friction bearing surfaces
  • Anti-extrusion seals
  • Optional piston rod saddles
  • Collar thread protector supplied as standard
  • Customized and special design cylinders are available on request
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Double Acting Hollow Piston Cylinders
Double Acting Hollow Piston Cylinders
Model Number Capacity tons Stroke inch Oil cap. inch3 Cyl. eff. area inch2 Weight lbs
  Push Pull        
HHR302 36 26 2.01 14.52 7.24 26.9
HHR306 36 26 5.91 42.76 7.24 38.8
HHR3012 36 26 12.02 86.86 7.24 56.7
HHR603 67 42 2.99 39.77 13.28 67.5
HHR606 67 42 5.99 79.54 13.28 91.7
HHR6010 67 42 10.01 132.92 13.28 112.7
HHR1003 112 47 2.99 66.31 22.18 151.0
HHR1006 112 47 5.99 132.61 22.18 198.4
HHR1508 167 78 8 263.52 32.98 374.8
HHR2508 272 84 8 429.38 53.71 593.0

Model Number Dimensions in inch
A B C D E F G H I J
HHR302 7.09 4.53 2.38 1.38 4 1/2"-12un 1.58 M8 3.62 1.1 4.69
HHR306 11 4.53 2.38 1.38 4 1/2"-12un 1.58 M8 3.62 1.1 8.59
HHR3012 17.1 4.53 2.38 1.38 4 1/2"-12un 1.58 M8 3.62   14.7
HHR603 9.42 6.3 3.62 2.17 6 1/4"-12un 1.77 M12 5.12 1.22 6.54
HHR606 12.41 6.3 3.62 2.17 6 1/4"-12un 1.77 M12 5.12 1.22 9.53
HHR6010 16.43 6.3 3.62 2.17 6 1/4"-12un 1.77 M12 5.12 1.22 13.55
HHR1003 12.21 8.39 5.52 3.15 8 3/8"-12un 1.58 M16 7.01 3.23 9.22
HHR1006 15.21 8.39 5.52 3.15 8 3/8"-12un 1.58 M16 7.01 3.23 12.21
HHR1508 19.82 10.64 7.25 4.02 n/a n/a n/a n/a 3.86 15.33
HHR2508 19.9 13.79 10.01 5.91 n/a n/a n/a n/a 3.86 15.33