Closed Centre Hydraulic Cylinder

Closed center hydraulic cylinders feature high speed and long stroke options for use with all closed center chucks with speeds up to 6000 RPM. These cylinders contain a safety provision in case of an interruption of hydraulic pressure such as: electric power loss, broken hydraulic hose, hydraulic pump failure, etc

YR series Closed Centre Hydraulic Cylinder
  • Safety check valves to ensure safety in the event of hydraulic failure * Safety pressure relief valve to prevent damage to cylinders in the event of over pressure * High speed, compact and lightweight * Maintenance free design
  • Y0715R Y1020R Y1225R Y1530R Y2035R
    128 145 145 165 170
    Piston Stroke (mm) 15 20 25 30 35
    Piston Area Push Side (cm²) 44 86 122 176 314
    Piston Area Pull Side (cm²) 37 79 113 160 290
    Draw Bar Pull Side (kN) 13.9 29 42 60 108
    Draw Bar Push Side (kN) 16.6 32 46 66 117
    Max Operating Pressure (MPa) 4.0 4.0 4.0 4.0 4.0
    Max Speed (rpm) 6000 6000 6000 5500 5500
    Moment of Inertia (kg.m²) 0.003 0.013 0.023 0.046 0.098
    Net Weight (kg) 4.0 7.1 10.0 13.5 22.0
    Total Leakage (min) 0.8 0.8 0.8 0.8 0.8
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Y-RE series Closed Centre Hydraulic Cylinder

Y-RE series standard Kitagawa closed centre cylinder with built in proximity switches along with built in check and pressure relief valves.

Y0715RE Y1020RE Y1225RE Y1530RE Y2035RE
Piston Stroke (mm) 15 20 25 30 35
Piston Area Push Side (cm²) 42 84 120 174 312
Piston Area Pull Side (cm²) 37 79 113 160 290
Draw Bar Pull Side (kN) 13.9 29 42 60 108
Draw Bar Push Side (kN) 15.9 31 45 65 117
Max Operating Pressure (MPa) 4.0 4.0 4.0 4.0 4.0
Max Speed (rpm) 6000 6000 6000 5500 5500
Moment of Inertia (kg.m²) 0.003 0.012 0.023 0.048 0.098
Net Weight (kg) 4.5 7.6 10.5 14.0 22.5
Total Leakage (min) 0.8 0.8 0.8 0.8 0.8
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YW-R series Closed Centre Hydraulic Cylinder

YW-R double piston cylinder with built-in check valve and pressure relief valve, best suited for HW-series chucks.

YW1220R YW1220RE YW1225R YW1225RE
Piston Stroke (mm) 20 20 25 25
Piston Area Push Side (cm²) 126 123 126 123
Piston Area Pull Side (cm²) 113 113 113 113
Draw Bar Pull Side (kN) 31 31 31 31
Draw Bar Push Side (kN) 33 32 33 32
Max Operating Pressure (MPa) 3.0 3.0 3.0 3.0
Max Speed (rpm) 5000 5000 5000 5000
Moment of Inertia (kg.m²) 0.043 0.044 0.044 0.045
Net Weight (kg) 15.3 16.3 15.5 16.5
Total Leakage (min) 0.7 0.7 0.7 0.7
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