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Enerpac R251

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Enerpac R251 25 ton 25.4 mm Hydraulic Cylinder

Enerpac R251; 25 ton (222.4 kN) capacity, 25.4 mm (1 in) stroke, 700 bar, single-acting general purpose hydraulic cylinder.

EnerpacMFR # R251SKU # YLSPD1WHZWFYIQG
Required Oil Capacity84,6 cm³ (5.16 in³)
Ram Bore Diameter65 mm (2.56 in)
Maximum Operating Pressure700 bar (10,000 psi)
Collar Threads G2.75 - 16 in
Product TypeGeneral Purpose Cylinder
Thread.5 - 13 UNC
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About This Product

R251 is a Simplex R series single-acting general purpose hydraulic cylinder. It offers 25 ton (222.4 kN) capacity and a 25.4 mm (1 in) stroke, with a maximum operating pressure of 700 bar (10,000 psi). Retraction is provided by an internal spring. Collapsed height is 139.7 mm, extended height is 165.1 mm, ram bore is 65 mm, effective area is 33.3 cm², required oil volume is 84.6 cm³, body outside diameter is 91.9 mm and weight is about 5.9 kg (13 lb). The body is steel and the plunger is solid. It is designed for general purpose industrial applications. The threaded collar gives flexibility when fixturing the cylinder.

Features and Benefits

  • Single-acting with heavy-duty internal retraction spring
  • Solid, plated piston resists scoring and corrosion
  • Heat-treated grooved saddle as standard
  • Stop ring limits piston travel at the end of the stroke
  • Polyurethane wiper cleans the piston on retraction and protects the inner assembly
  • Meets ANSI/ASME B30.1; load tested at 125% of nominal capacity; up to 700 bar

Enerpac R251

  • 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

Required Oil Capacity84,6 cm³ (5.16 in³)
Ram Bore Diameter65 mm (2.56 in)
Maximum Operating Pressure700 bar (10,000 psi)
Collar Threads G2.75 - 16 in
Product TypeGeneral Purpose Cylinder
Thread.5 - 13 UNC
SeriesR
Pressure at Capacity668 bar (9690 psi)
Piston Internal Threads F1.5 - 16 in
Model Type25 Imperial Ton Capacity, 1 in. Stroke
Product LineHydraulic Tools
Weight5,9 kg (13.0 lbs)
Cylinder Class25 ton
Piston Thread Depth F28,7 mm (1.13 in)
Country of OriginUnited States
Base to Port Centerline (E)25,4 mm (1.00 in)
Body Outside Diameter (C)91,9 mm (3.37 in)
Cylinder Effective Area33,3 cm² (5.16 in²)
Extended Height (B)165,1 mm (6.50 in)
Capacity222,4 kN (25 ton)
Plunger TypeSolid
Collapsed Height (A)139.7 mm (5.50 in)
Cylinder MaterialSteel
Piston Outside Diameter (D)57,2 mm (2.25 in)
Collar Thread Length (G)49 mm (1.19 in)
Stroke25.4 mm (1.00 in)
Bolt Circle2.31 in
Return TypeSingle-Acting, Spring Return
Thread Depth0.75 in

Documents & CAD

Series documents 1· shared by this product series

CertificateEC2A-CYL-R_RevC_June2022PDF·138 KB

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Alternative Names & Search Terms

R251R-251R 251Enerpac R251Enerpac R-251Simplex R251Enerpac Simplex R251R251 hydraulic cylinderR251 single-acting cylinderEnerpac R seriesSimplex R seriesR series general purpose cylinder25 ton hydraulic cylinder222.4 kN hydraulic cylinder25.4 mm stroke single-acting cylinder1 inch stroke hydraulic cylindergeneral purpose hydraulic cylinder700 bar single-acting cylinder25 ton single-acting cylinderR251 25 ton 1 in stroke

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