Hydraulic cylinder for aerial device

Features
1. cushion can be installed
2. Sealing system...seal rings of NOKfrom Japan and Parker from USA that can sure highly safety when work in aerial place. They are applied to prevent grit and dust, reduce oil leakage. 3. Cylinder body...the thickness of cylinder body and flange can be changed; the cylinder inner surfaces manufactured as per appropriate intensity and dimensions have excellent roughness and rigidity and better wearing capacity after roll finishing. They have 100% nondestructive test
4. Piston rod.. high frequency quenching followed by herd chrome plating to improve rust proofing and wear and scar resisting performance.
5. Safety/buffer functions.. .valves with slow stroke, counting balance end emergency close can be installed easily according to requirements. The concealed ones can absorb the impact of buffer device at the end of stroke