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ZRDH-307: Double Acting Cylinders

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30 TON 7" Stroke Double Acting Hollow Cylinder

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Double acting 30 ton, 7" stroke hollow cylinder designed for use in a variety of applications where lifing, pushing, bending or holding may be required. Center hole allows pulling or tensioning of cable or fixtures routed through the cylinder.


  • Double acting design for greater speed and positive control.
  • Interfaces with automated operations.
  • 3/8" fast flow couplers included on all models.
  • threaded collar along with hollow plunger design allows for both pull and push forces.
  • Baked enamel finish for increased corrosion control.
  • Removable hardened saddles protect plunger during lifting and pressing.
  • Built in safety valve prevents accidental over-pressurization.
  • Plunger wiper seals reduce contamination, extending cylinder life.
Capacity(tons): 30 Ton
Stroke(in): 7.00"
Oil Capacity ADV. (in³): 50.51
Oil Capacity RET. (in³): 33.00
Cylinder Effective Area ADV. (in²): 7.22
Cylinder Effective Area RET. (in²): 4.71
Max Cylinder Capacity ADV. (ton): 30
Max Cylinder Capacity RET. (ton): 23
Collapsed Ht.(in): 13.00"
Extended Ht.(in): 20.00"
Outside Dia.(in): 4.5"
Ship Wt.(lbs.): 48

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