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55.3 ton Capacity, 20.13 in Stroke, Double-Acting, General Purpose Hydraulic Cylinder

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Product Overview

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.

Features
  • 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

Maximum Operating Pressure10,000 psi (700 bar)
Capacity Class50 tonnage
Maximum Cylinder Capacity Advance55.3 short tons (498 kN)
Maximum Cylinder Capacity Retract11.8 short tons
Stroke20.13 in (511 mm)
Collapsed Height A28.88 in (733 mm)
Extended Height B49 in (1244 mm)
Return TypeDouble-Acting, Hydraulic Return
Plunger TypeSolid
MaterialSteel
Cylinder Effective Area Advance11.06 in2 (71,2 cm2)
Cylinder Effective Area Retract3.4 in2 (21,5 cm2)
Oil Capacity Advance222.56 in3 (3638 cm3)
Oil Capacity Retract68 in3 (1099 cm3)
Surface TreatmentPaint
CouplerCR400 Coupler
Weight150 lbs (68 kg)