RRH307 326 kN Capacity, 178 mm Stroke, Double-Acting, Hollow Plunger Hydraulic Cylinder

Enerpac RRH307 is a versatile double-acting hollow plunger hydraulic cylinder designed for both pushing and pulling applications in industrial maintenance, construction, and tensioning tasks. With a 30-ton (326 kN) capacity and 178 mm stroke, it features a central hollow bore for passing rods or cables, enabling fast hydraulic retraction and operating at up to 10,000 psi, with protective features like relief valves and a corrosion-resistant finish for durability in demanding environments.

• Product Overview
  • Name: Enerpac RRH307 Double-Acting Hollow Plunger Hydraulic Cylinder
  • Type: Double-acting, hollow plunger cylinder
  • Primary Applications: Pushing, pulling, tensioning, and bolting in versatile industrial setups
  • Force Output: 30 tons (326 kN) nominal capacity
  • Stroke: 178 mm (7 in)
  • Retraction Mechanism: Hydraulic return
  • Operating Pressure: Maximum 10,000 psi (700 bar)
  • Collapsed Height: 330 mm (13 in)
• Technical Specifications
  • Capacity (Advance): 36 tons (326 kN)
  • Capacity (Retract): 24 tons (213 kN)
  • Maximum Operating Pressure: 10,000 psi (700 bar)
  • Stroke: 178 mm (7 in)
  • Collapsed Height (A): 330 mm (13 in)
  • Extended Height (B): 508 mm (20 in)
  • Outside Diameter (D): 114 mm (4.5 in)
  • Bore Diameter (E): 88.9 mm (3.5 in)
  • Plunger Diameter (F): 63.5 mm (2.5 in)
  • Effective Area (Advance): 46.6 cm² (7.22 in²)
  • Effective Area (Retract): 30.4 cm² (4.71 in²)
  • Oil Capacity (Advance): 829 cm³ (50.55 in³)
  • Oil Capacity (Retract): 541 cm³ (32.99 in³)
  • Weight: 21.8 kg (48 lbs)
  • Center Hole Diameter (Y): 33.3 mm (1.31 in)
  • Series: RRH Series Double-Acting Hollow Plunger Cylinders
• Key Features
  • Double-acting operation for fast retraction
  • Hollow plunger allows for both pull and push forces
  • Nickel-plated, floating center tube increases product life
  • Relief valves prevent damage in case of over-pressurization
  • Baked enamel finish for increased corrosion resistance
  • Collar threads enable easy fixturing
  • Includes CR-400 couplers and dust caps
  • Plunger wiper reduces contamination, extending cylinder life
  • Smooth hollow saddles are standard