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Enerpac RD256

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Enerpac RD256 25 ton Hydraulic Cylinder

Enerpac RD256; 25 ton (222 kN) capacity, 159 mm (6.25 in) stroke, 700 bar, double-acting general purpose hydraulic cylinder.

EnerpacMFR # RD256SKU # CEY-2E49288C35C2
Oil Capacity (Advance)504 cm³ (30.68 in³)
Clevis Eye Mounting Dimension M53 mm (2.09 in)
Maximum Operating Pressure700 bar (10,000 psi)
Oil Capacity (Retract)218 cm³ (13.42 in³)
ApplicationsLift, Lower, Push, Pull
Maximum Cylinder Capacity (Advance)25 ton
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About This Product

RD256 is a double-acting general purpose hydraulic cylinder from the Enerpac RD series. It offers 25 ton (222 kN) advance capacity, a stroke of approximately 159 mm (6.25 in) and a maximum operating pressure of 700 bar (10,000 psi). Retract capacity is 11 tons. The cylinder has a 63.5 mm bore, 92 mm outside diameter, 397 mm body length and weighs approximately 16 kg (36 lb). Oil capacity is 504 cm³ on advance and 218 cm³ on retract. The plunger outside thread is 1 1/2 in - 12. The surface is painted. It is used for lifting, lowering, pushing and pulling in production lines and workholding applications.

Features and Benefits

  • Designed for long life, a good choice for production applications
  • Unique mounting configurations simplify fixturing
  • Baked enamel finish increases corrosion resistance
  • Double-acting operation develops force in both directions for versatility
  • Plunger wiper reduces contamination and extends cylinder life

Enerpac RD256

  • Genuine, certified Enerpac product
  • Fast sourcing through a worldwide supply network
  • Product selection and compatibility support from our technical team
  • Equivalent and alternative product suggestions
  • Quotation and lead time tailored to your request

Specifications

Oil Capacity (Advance)504 cm³ (30.68 in³)
Clevis Eye Mounting Dimension M53 mm (2.09 in)
Maximum Operating Pressure700 bar (10,000 psi)
Oil Capacity (Retract)218 cm³ (13.42 in³)
ApplicationsLift, Lower, Push, Pull
Maximum Cylinder Capacity (Advance)25 ton
Outside Diameter D92 mm (3.63 in)
Clevis Eye Mounting Dimension L1683 mm (27.11 in)
Coupler Used-
Cylinder Bore Diameter (E)63,5 mm (2.5 in)
Product TypeGeneral Purpose Cylinder
Neck Length (N)70 mm
Body Length C397 mm (15.63 in)
Plunger Protrusion (K)27 mm
SeriesRD
Bottom to Advance Port (I)89 mm
Top to Retract Port (H)89 mm
Base to Advance Port H85 mm (3.5 in)
Cylinder Capacity Advance at 5000 psi24500 lbs
Max. Cylinder Retract Capacity11 ton
Product LineIndustrial Tools, Workholding Tools
Plunger Outside Thread (Q)1 1/2" - 12
Weight16,0 kg (36 lbs)
Top to Retract Port (I)3.5 in
Surface TreatmentPaint
Cylinder Class25 ton
Country of OriginChina
Neck Length N2.75 in
Clevis Eye Mounting Dimension L524 mm (20.86 in)
Collar Thread Length (X)29 mm (1.13 in)
Plunger External Thread Q1 1/2" - 12
Extended Height (B)583 mm (22.94 in)
Cylinder Effective Area (Advance)31,7 cm² (4.91 in²)
Cylinder Effective Area (Retract)13,7 cm²
Top to Return Port H89 mm (3.5 in)
Plunger TypeSolid
Cylinder Effective Area (Retract)2.15 in²
Collapsed Height (A)424 mm (16.69 in)
Cylinder MaterialSteel
Bottom to Advance Port I3.5 in
Internal Base Thread Length Z11.02 in
Collar Thread (W)3 1/4" - 16
Retract Capacity at 350 bar47,8 kN
Internal Base Thread Length (Z1)26 mm
Stroke159 mm (6.25 in)
Cylinder Retract Capacity (5000 psi)10750 lbs
Cylinder Capacity at 350 bar (Advance)109,0 kN
Minimum Operating Pressure35 bar
Plunger Thread Length (P)25 mm (1 in)
Internal Base Thread Z2 3/4"-16
Return TypeDouble-Acting, Hydraulic Return
Plunger Diameter F47,8 mm (1.88 in)
Link Width N2.75 in
Plunger Protrusion K1.06 in
Internal Base Thread (Z)2 3/4"-16
Saddle Protrusion from Plunger K1.06 in

Documents & CAD

Series documents 5· shared by this product series

Instruction ManualRD & BRD Series JacksPDF·109 KB·English
Instruction ManualRD / BRD Hydraulic CylindersPDF·2.4 MB 4 languages· in one file
Repair Parts SheetParts Kits (Europe Only)PDF·237 KB·English
Repair Parts SheetCylinder - 25 TonPDF·52 KB·English
BrochureRD-AD-Series Precision Production Cylinders; EnglishPDF·255 KB

CAD Files 5

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Alternative Names & Search Terms

RD256RD-256RD 256Enerpac RD256Enerpac RD-256Enerpac RD 256RD256 hydraulic cylinderRD256 double-acting cylinderRD256 general purpose cylinderEnerpac RD seriesEnerpac RD series hydraulic cylinderRD series general purpose hydraulic cylinder25 ton hydraulic cylinder25 ton double-acting hydraulic cylinder159 mm stroke double-acting cylinder25 ton 159 mm stroke cylinder222 kN hydraulic cylinder700 bar double-acting hydraulic cylinderEnerpac 25 ton double-acting cylinder6.25 inch stroke hydraulic cylinder

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