30kN Hydraulic Slewing Crane
Application
The 30kN Hydraulic Slewing Crane (3-ton capacity) is a robust lifting solution designed for precision load handling across multiple industries. With 3,061kg maximum capacity and full 360° rotation, it excels in:
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Shipbuilding & repair operations
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Portside cargo handling
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Offshore platform maintenance
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Industrial manufacturing processes
Key Benefits:
✔ 3-ton lifting capacity with hydraulic precision (±5mm positioning)
✔ Continuous 360° slewing for optimal load placement
✔ Adaptable design for marine and industrial environments
Maintenance Note:
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Requires regular hydraulic fluid checks
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Scheduled servicing ensures peak performance
Material Options
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Aluminum: 5083 marine-grade alloy (lightweight, 20% corrosion resistance improvement)
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Carbon Steel: Q345B structural steel (345MPa yield strength)
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Stainless Steel: 316L (PREN >25 for saltwater environments)
Advantages & Features
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Optimized Structure:
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FEA-validated design with 25% higher safety margin
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Modular construction for easy transport/installation
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Marine-Grade Durability:
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<0.3mm/year corrosion rate in ASTM B117 testing
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IP66-rated electrical components
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Precision Control:
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Proportional hydraulics with 0-15m/min speed control
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Anti-sway system (optional)
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Energy Efficiency:
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Variable displacement pump reduces power use by 30%
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Energy recovery during lowering
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Safety Systems:
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Dual-mode overload protection (95% auto-cutoff)
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Emergency power-down function
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Custom Solutions:
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Boom lengths: 4-18m
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ATEX-certified explosion-proof options
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Certifications:
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IRS, BV, LR, DNV, ABS
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| Specifications | |
| SWL | 30KN |
| Motor Power | 22kW |
| Power source | AC380V/50Hz |
| Protect Class | IP44 |
| Insulate Class | F |
| Working Radius | 2.9-10m |
| Hoisting Speed | 0~18m/min |
| Hoisting Height | 30m |
| Slewing Speed | 1r/min |
| Slewing Angle | 360° |
| Luffing Time | ~38s |
| Tirm | ≤2° |
| Heel | ≤5° |
The description/sizes may be different with goods, please check with us when order.
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