If you’re looking for a durable and efficient 20-ton overhead crane for your factory or industrial project, this technical specification provides all the essential details about our double girder crane model CAK20T. Designed for safe and reliable heavy-duty lifting, this equipment meets international standards and delivers consistent performance in indoor environments.
General Specifications of the 20-Ton Overhead Crane
Equipment Type: Double Girder Overhead Crane – 20 Ton Capacity
Model Code: CAK20T
Installation: Indoor (Factory/Workshop use)
Rated Lifting Capacity: 20 tons
Span Range: 10 meters to 40 meters
Lifting Height Options: 6m, 12m, 18m, 24m
Traveling Length: Up to 200 meters
Lifting & Traveling Speeds
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Main Hoist Lifting Speed: 3.5 / 0.35 m/min (Dual-speed)
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Trolley Traveling Speed: 12.5 m/min
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Crane Traveling Speed: 30 / 5 m/min (Dual-speed, inverter-controlled)
Standards & Certifications
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Design & Manufacturing Standards: TCVN 4244-2005 / FEM 1.001
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Surface Preparation Standard: ISO 8501
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Painting Standard: SSPC-SP10 (Near-white blast cleaning)
Electric Hoist Unit – 20 Ton (SUNGDO / Korea)
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Model: CSD20H12MH
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Lifting Capacity: 20 tons
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Hoisting Motor Power: 17 / 1.8 kW
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Trolley Motor Power: 1.5 kW
Crane Structure
- End Beam Structure: Welded box-type
- Travel Speed: 30 / 5 m/min (Inverter-controlled)
- Brake Type: Electromagnetic Disc Brake
- Control System: Frequency inverter for smooth and precise motion
Power Supply & Crane Control
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Main Power: 380V, 3-Phase, 50Hz AC
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Control Voltage: 48V
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Control Options: Cabin Control / Wireless Remote / Pendant Push Button
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Power Supply Along Main Girder: Festoon cable system
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Factory Power Supply Line: 3P100A
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Main Control Panel: Fully equipped with Schneider components (MCBs, contactors, relays, etc.)
Steel Structure & Welding Quality
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Steel Materials: SS400 / A36 / Q235B
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Deflection Ratio: 1/1000 (under full load)
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Welding Inspections:
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Ultrasonic Testing (UT): 100% for main welds
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Magnetic Particle Testing (MT): 20% spot inspection
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