Catalog/Enerpac/Cylinders/RR30018, 354.6 ton Capacity, 457 mm Stroke, Double-Acting, General Purpose Hydraulic Cylinder
Enerpac|Cylinders

RR30018, 354.6 ton Capacity, 457 mm Stroke, Double-Acting, General Purpose Hydraulic Cylinder

SKU: RR30018

RR-Series Hydraulic Cylinders are double-acting; hydraulic force is used to precisely control the advance and retract speed of the plunger. They are ideally suited for higher-cycle and longer stroke applications.

Collapsed Height A

790 mm

Extended Height B

1247 mm

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Product Description

RR-Series Cylinders are the ideal choice whenever you need to retract the plunger quickly with precise control. These popular rams are rugged enough to withstand high-cycle and demanding job site uses - making them incredibly effective within both the construction and manufacturing industries. RR Cylinders are available in long stroke models to lift or push a load a greater distance, which will save you time and minimize or eliminate the need for temporary cribbing.

The collar thread, plunger thread, base mounting holes, removable saddle and optional accessories make these some of the most versatile cylinders available. Optional accessories include flat, grooved, and tilt saddles on models up to 75-ton. These are secured to the plunger for use both horizontally and upside down.

The RR range is extensive, with capacities ranging from 10 to 500 imperial tons (101 - 5108 kN), and maximum plunger strokes from 2.25" to 48" (57 - 1219 mm). Each RR Cylinder available for sale is rated for up to 10,000 psi (700 bar) and compliant with ASME B30.1.

  • Collar threads and plunger threads for easy fixturing
  • Baked enamel finish for increased corrosion resistance
  • Removable hardened saddles protect plunger during lifting and pressing
  • Built-in safety valve prevents accidental over-pressurization
  • Plunger wiper reduces contamination, extending cylinder life
  • CR400 coupler included on all models

Technical Specifications

ParameterValue
Collapsed Height A790 mm
Extended Height B1247 mm
Stroke457 mm
Weight385 kg
CouplerCR400 Coupler
MaterialSteel
Return TypeDouble-Acting, Hydraulic Return
Plunger TypeSolid
Capacity Class300 t
Surface TreatmentPaint
Oil Capacity Advance20889 cm³
Maximum Operating Pressure700 bar
Cylinder Effective Area Advance457,3 cm²
Maximum Cylinder Capacity Advance3201 kN

Product Dimensions

RR30018, 354.6 ton Capacity, 457 mm Stroke, Double-Acting, General Purpose Hydraulic Cylinder – Product Dimensions (mm)
Dimension
mm
in
Collapsed Height A
790
31.13
Extended Height B
1247
49.13
Outside Diameter D
311
12.25
Cylinder Bore Diameter E
241,3
9.5
Plunger Diameter F
165,1
6.5
Base to Advance Port H
88
3.5
Top to Retract Port I
114
4.5
Saddle Diameter J
165
6.5
Saddle Diameter J1 (opt)
165
Saddle Protrusion K
28
1.13
Plunger Internal Thread O
2 1/2"- 12
2 1/2"- 12
Plunger Thread Length P
82
3.25
Base Mounting Holes Bolt Circle U
158
6.25
Base Mounting Holes Thread V
1¼”- 7
1 1/4" - 7
Collar Thread W
12¼”- 12
12 1/4" - 12
Collar Thread Length X
58
2.31
Base Mounting Holes Thread Depth Z
44
1.75

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