Enerpac Hollow Plunger Cylinders

Enerpac hollow plunger cylinders provide lightweight, versatile solutions for tensioning and testing. RCH, RACH, RRH-series

RACH-Series, Hollow Aluminum Cylinders

  • Enerpac hollow aluminum cylinders are a lightweight solution for tensioning and testing.
  • Hollow plunger design allows for both pull and push forces
  • Composite bearings increase cylinder life and side load resistance
  • Hard coat finish on all surfaces resists damage and extends cylinder life
  • Handles included on all models
  • Floating center tube increases seal life
  • Steel baseplate and saddle for protection against loadinduced damage
  • Integral stop ring prevents plunger over-travel and is capable of withstanding the full cylinder capacity
  • High-strength return spring for rapid cylinder retraction

RCH-Series, Hollow Plunger Cylinders

  • Enerpac hollow plunger cylinders provide versatility in testing, maintenance and tensioning applications. The hollow plunger design allows for both pull and push forces
  • Single-acting spring return
  • Cylinders are nickel-plated, floating center tube on models over 20 tons increases product life
  • Baked enamel finish for increased corrosion resistance
  • Collar threads for easy fixturing
  • RCH-120 cylinders include AR-630 coupler and has 1/4 NPTF port
  • RCH-121 and RCH-1211 cylinders have FZ-1630 reducer and AR-630 coupler, all other models feature CR-400 coupler

RRH-Series, Double Acting Hollow Plunger Cylinders

  • Enerpac hollow plunger cylinders allow for both pull and push forces
  • Relief valves prevent damage in case of over-pressurization
  • Baked enamel finish for increased corrosion resistance
  • Collar threads enable easy fixturing (except RRH-1001 and RRH-1508)
  • Double-acting cylinder version for fast hydraulic retraction
  • Nickel-plated, floating center tube increases product life
  • CR-400 coupler and dust cap included on all hollow plunger models
  • Plunger wiper reduces contamination, extending cylinder life