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| Place of Origin | Jiangsu, China |
| Brand Name | OUCO |
| Certification | ISO,CE, BV, API-2C |
| Model Number | OUCO-4T20M-TB-Crane |
Product Description:
The 4T20M Explosion-Proof Telescopic Boom Marine Crane by OUCO is a cutting-edge lifting solution engineered for demanding offshore environments. Designed specifically for accommodation service vessels, this crane combines robust performance with advanced safety features to handle critical operations such as cargo transfer, equipment installation, and personnel logistics in hazardous zones. Its explosion-proof certification ensures compliance with international safety standards, making it ideal for oil, gas, and maritime industries operating in volatile conditions.
Certified for use in hazardous environments (ATEX/IECEx compliant). Enhanced safety for operations involving flammable gases or combustible dust.
Max Working Radius 20 meters & Min Working Radius 3 meters. Boom extension time ~120 seconds, luffing time ~60 seconds. Enables precise load positioning in confined deck spaces.
Applications
Parameters
| 技术参数表(Technical Parameters) | |
| 参数项 (Parameter) | Value/Description |
| 1. 安全工作负荷(SWL) | See load chart |
| 2. 最大工作半径(MAX.WORKING RADIUS) | 20M |
| 3. 最小工作半径(MIN.WORKING RADIUS) | 3M |
| 4. 起升速度(HOISTING SPEED) | ~12m/min |
| 5. 起升行程(HOISTING TRAVEL) | 30m |
| 6. 回转速度(SLEWING SPEED) | 0.6r/min |
| 7. 回转角度(SLEWING ANGLE) | 360° |
| 8. 变幅时间(LUFFING TIME) | ~60S |
| 9. 伸缩时间(BOOM EXTENSION TIME) | ~120S |
| 10. 工作状态(WORKING CONDITION) | |
| - 纵倾(TRIM) | ≤4° |
| - 横倾(HEEL) | ≤8° |
| 11. 最大风速(MAX.WIND SPEED) | |
| - 使用状况(Working condition) | 20m/s |
| - 放置状况(Parking condition) | 55m/s |
| 12. 电动机型号(ELEC-MOTOR POWER) | |
| - 型号(Model) | Y280S-4-H |
| - 功率(POWER) | 75kW |
| - 转速(SPEED) | 1480r / min |
| - 电制(POWER RESOURCE) | AC380V/50HZ/3P |
| - 防护等级(PROTECT CLASS) | IP56 |
| - 绝缘等级(INSULATE CLASS) | F |
| - 工作制(WORKING TYPE) | S1 |
| 13. 环境温度(Ambient temperature) | -10°~+40° |
| 14. 型号(Model) | Marine crane |
GA Drawing
The crane ensures safe operations through its well-defined load chart, balancing lifting height and working distance for maximum efficiency and safety.
Product Picture
Production Process
Company Profile
OUCO is a globally recognized leader in the design and manufacturing of customized cranes and material handling solutions. With extensive experience in the offshore and marine sectors, the company provides tailored lifting equipment that aligns with specific operational needs. Each product is meticulously crafted to deliver performance, reliability, and safety, ensuring maximum value for customers in demanding industries.
For further inquiries or to explore custom configurations of the 9T16.31M Knuckle Telescope Boom Offshore Crane, contact OUCO’s expert team today.
OUCO has specialized design team, production and processing team, welding team, painting team, installation team, transportation team and sales team. The company has more than 150 employees, 20 technicians, including 5 with senior titles, 10 with intermediate titles, 50 welders certified by major institutions such as CCS and ABS. And many flaw detectors, quality system auditors and inspectors certified by professional institutions.
Customer Build
OUCO Group has been specializing in the field of cranes for more than 10 years. OUCO can design and manufacture any type of cranes, grabs and other handling equipment according to your requirements.
To better protect the safety of our customers' goods, we provide professional, environmentally friendly, convenient and efficient packaging services. Our comprehensive service system results in a high level of customer satisfaction.
| Brand | OUCO |
| Spare parts | 1 set ( If needed, more spare parts are available to be provided according to customers' requirements ) |
| Warranty | 1 year( If needed, warranty time is available to be extended according to customers' requirements ) |
| Packing | container |
| Delivery | Standard product : 1month Customized product: 2 months Certified products: 3-4 months |
Our factory has state-of-the-art production and testing equipment, such as CNC milling machine, gantry crane, large-scale machining center, modular machine tools, cold shears, etc. We can produce all kinds of customized equipment according to your needs and ensure high-precision machining.
Pre-Sales Service
1. Inquiry and consulting support.
2. View our Factory.
3. Check the load test before shipment.
After-Sales Service
1. Engineers are available to serve machinery overseas.
2. Instruct your workers how to install and use the machine.
3. 24 months of free maintenance.
We regularly participate in prestigious maritime trade shows around the world. Our engineers are professional and own high-level English skills, rich engineering knowledge and working experience.
At previous exhibitions, we have established strong long-term cooperation with many customers!
OUCO factory is certified by SGS, 1S09001, CE, BV, CCS, and other authoritative institutions.
For more details, please feel free to contact us.Welcome to visit our factory!
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