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Enerpac R51

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Enerpac R51 5 ton Hydraulic Cylinder

Enerpac R51; 5 ton (44.5 kN) capacity, 28.7 mm stroke, 700 bar (10,000 psi) working pressure, single-acting general purpose hydraulic cylinder.

EnerpacMFR # R51SKU # YLSK4IEC2VM9DOH
Required Oil Capacity16,2 cm³ (0.99 in³)
Ram Bore Diameter28,7 mm (1.13 in)
Maximum Operating Pressure700 bar (10,000 psi)
Collar Threads G1.5 - 16 in
Product TypeGeneral Purpose Cylinder
Thread.25 - 20 UNC
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About This Product

R51 is a single-acting general purpose hydraulic cylinder from the Simplex R series. It has a 5 ton (44.5 kN) capacity and a 28.7 mm stroke, with a maximum working pressure of 700 bar (10,000 psi). It has a steel body and a solid plunger. Extended height is 139.7 mm, body outside diameter is 38.1 mm, effective area is 6.4 cm² and required oil volume is 16.2 cm³. The internal piston thread and the threaded collar on the body provide different fixturing options. It is used in general purpose industrial applications.

Features and Benefits

  • Single-acting with heavy-duty internal return spring
  • Solid, plated piston resists scoring and corrosion
  • Heat-treated grooved saddle supplied as standard
  • Stop ring prevents piston blow-out at end of stroke
  • Polyurethane wiper cleans the piston during retraction
  • Meets ANSI/ASME B30.1; load tested at 125% of nominal capacity

Enerpac R51

  • 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 Capacity16,2 cm³ (0.99 in³)
Ram Bore Diameter28,7 mm (1.13 in)
Maximum Operating Pressure700 bar (10,000 psi)
Collar Threads G1.5 - 16 in
Product TypeGeneral Purpose Cylinder
Thread.25 - 20 UNC
SeriesR
Pressure at Capacity700 bar (10000 psi)
Piston Internal Threads F.75 - 16 in
Model Type5 Imperial Ton Capacity, 1.13 in. Stroke
Product LineHydraulic Tools
Weight1 kg (2.3 lbs)
Cylinder Class5 ton
Piston Thread Depth F19,1 mm (0.75 in)
Country of OriginUnited States
Base to Port Centerline (E)19,1 mm (0.75 in)
Body Outside Diameter (C)38,1 mm (1.50 in)
Cylinder Effective Area6,4 cm² (0.99 in²)
Extended Height (B)139,7 mm (5.50 in)
Capacity44,5 kN (5 ton)
Plunger TypeSolid
Collapsed Height (A)111 mm (4.37 in)
Cylinder MaterialSteel
Piston Outside Diameter (D)25,4 mm (1.00 in)
Collar Thread Length (G)28,7 mm (1.13 in)
Stroke28.7 mm (1.13 in)
Bolt Circle1 in
Return TypeSingle-Acting, Spring Return
Thread Depth0.56 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

R51R-51R 51Enerpac R51Simplex R51Enerpac Simplex R51R51 hydraulic cylinderR51 general purpose cylinderSimplex R seriesEnerpac Simplex R seriesR series hydraulic cylinder5 ton hydraulic cylinder5 ton single-acting cylinder44.5 kN hydraulic cylinder28.7 mm stroke single-acting cylindergeneral purpose hydraulic cylinder700 bar single-acting cylinderspring return hydraulic cylindersmall tonnage hydraulic cylinder

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