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RR-308

Double-Acting Hydraulic Cylinder

Item #100189894
each
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Product details

  • 8.25 in Stroke
  • 4 in Outside Diameter

description

  • Rugged enough for the toughest jobsites and precision-designed for high cycle industrial uses.

features

  • Collar threads, plunger threads and base mounting holes enable easy fixturing (on most models)
  • Baked enamel finish for increased corrosion resistance
  • Removable, hardened saddles protect plunger during lifting and pressing
  • Built-in safety valve prevents accidental over-pressurization
  • CR-400 coupler and dust cap on all models
  • Plunger wiper reduces contamination, extending cylinder life

Specifications

Collar Thread 3 5/16 -12
Cylinder Effective Area - Retract 3 in2, 19.1 cm2
Operating Pressure [Max] 10000 psi, 700 bar
Cylinder Effective Area - Push 6.51 in2
Collapsed Height 15.5 in, 394 mm
Cylinder Capacity 30 tons
Cylinder Capacity - Pull 15 tons
Oil Capacity - Pull 25 in3
Cylinder Effective Area - Advance 6.51 in2, 42.1 cm2
Outside Dia. 4 in
Oil Capacity - Push 53.67 in3
Plunger Diameter 2.13 in, 54.1 mm
Cylinder Effective Area - Pull 3 in2
Plunger Internal Thread 1 1/2-16
Cylinder Capacity - Push 32 tons
Puller Capacity 30 tons
Series RR
Oil Capacity - Retract 25 in3, 400 cm3
Maximum Operating Pressure 10000 psi
Retracted Height 15 1/4 in
Single/Double-Acting Double Acting
Oil Capacity - Advance 53.67 in3, 879 cm3
Material Steel
Saddle Diameter 1.97 in, 50 mm
Surface Treatment Paint
Stroke 8.25 in, 209 mm
Plunger Type Solid
Saddle Protrusion From Plunger 0.41 in, 10 mm
Plunger Thread Length 1 in, 25 mm
Base To Advance Port 1.44 in, 39 mm
Cylinder Class 30 Ton
Collar Thread Length 1.94 in, 49 mm
Return Type Double-Acting, Hydraulic Return
Top To Retract Port 3.19 in, 81 mm
Extended Height 23.75 in, 603 mm
Optional Tilt Saddle Addition To Collapsed Height 0.98 in, 25 mm
Optional Tilt Saddle Diameter 2 in
O.D. 4 in, 101 mm
Cylinder Capacity Advance [MAX] 295 kN
Weight 46.0 LB
EAN or UPC 662005303250
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