lilicCyndersHydrauT cm3kgD31.540.5C2635ϕ B4876ϕ A5888.5Snge-ActingCyndersDoube-ActingCyliSlilil lililindersCynderpartsDataSpecaCynders■■■■■200 to 1000 kN Lightweight Aluminum Cylinders for Jack-Up (SJ-AL Series)Tilt Saddle for Lightweight Aluminum Cylinders (SJ-AL Series) for Jack-Up (Optional) Model code structureSJ2-50ALVC2:5:200 kN500 kN10:1000 kNLightweightaluminumcylinderStroke (mm)Maximum outputSingle-acting lightweight aluminum cylinder for jack-upSJ seriesAttached couplerVC:VC-70-R3S:S-1RT:ROC-13R-NC:W/O coupler● This series uses super-high durable aluminum materials to reduce its weight to about half that of a standard cylinder. ● Special surface treatment for the entire part assures good wear resistance. ● While the cylinder is being used, the load must be received by the whole surfaces of the piston and base. ● If an eccentric load is unavoidable, use a tilt saddle (optional). ■ Specifications● Suitable for when an eccentric load is applied. ● Maximum angle of oscillation: 5°■ RAL-20■Dimension table ModelRAL-20RAL-50Single-Acting Cylinders*The 300 kN series lightweight cylinders and the SJ10-100AL and SJ10-150AL (1000 kN) are discontinued. ■*For the SJ10, the piston may not be returned completely only by the return spring force. Maximum operating pressureMaximum output on the push sideEffective area on the push sideCylinder internal diameterCylinder systemReturn systemCoupler connection port sizeSJ2-50ALVCModelStrokeMinimum overall lengthCylinder external diameterPiston diameterCap external diameterPiston protrusion lengthBase diameterBase heightCoupler protrusion lengthVC-70-R3S-1RROC-13RCoupler positionRequired oil volumeApprox. weight*RAL-100 tilt saddles were discontinued in 2013. SJ101000 kNϕ 136.6SJ2-50ALVC–150ALVCSJ5-50ALVC–150ALVCSJ10-50ALVCSJ2-100ALSJ2-150AL100225985358179210≈ 46≈ 53≈ 49222885.61502904326.9RAL-20RAL-50No.79E since2025SJ5-50AL50188SJ5-100ALSJ5-150ALSJ10-50AL15031810024813480882012613≈ 46≈ 53≈ 492271711.53589.3Approx. weight (kg)Compatible cylinder0.51.6502421921181262618216≈ 46≈ 53≈ 493273326.0107513.7SJ2- * ALSJ5- * ALSJ2SJ570 MPa200 kN500 kN28.74 cm271.63 cm2146.55 cm2ϕ 60.5ϕ 95.5Single-actingSpring-returnRc3/8SJ2-50AL50167mmAϕ Cϕ Dϕ FHϕ PQ1444.540
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