QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
                                                                                                           
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Single Point Mono Buoyancy Units MBU Type For Pipeline Laying

Price Negotiable
Price: Negotiable
MOQ: 1pc
Delivery Time: 2~3 weeks
Brand: DOOWIN MARINE
Product Description
Single Point Mono Buoyancy Units for Pipeline Laying
Single Point Buoyancy Units, also known as Mono Buoyancy Units (MBUs), represent a groundbreaking advancement in marine buoyancy technology, offering unparalleled efficiency and safety for offshore pipeline installations, salvage operations, and towing applications. Developed by DOOWIN, these enclosed flotation devices combine the versatility of inflatable buoyancy with the structural robustness required for high-load scenarios.
Key Innovations
  • Axial Load Transmission: Proprietary through-strop design allows lifting directly through the bag's central axis, achieving a safety factor exceeding 5:1 in rigorous testing.
  • Compact Logistics: With a packed weight of just 1% of their lifting capacity, 500 metric tons of MBUs can be transported in a single 20ft container.
  • Depth Resilience: Constructed from high-tensile polyester with UV-stabilized PVC coating and reinforced with concentric fabric layers.
  • Dynamic Buoyancy Control: Integrated air valves allow remote venting or replenishment for precise load positioning.
Operational Advantages
  • Pipeline Shore Approaches: Reduces risks to divers and workboats by eliminating high-energy projectile hazards.
  • Towing & Salvage: Single-point attachment simplifies rigging for vessel recovery and submerged structure stabilization.
  • Versatility: Available in 1t, 2t, 3t, and 5t lift capacities while complying with IMCA D-016 standards.
Commercial Benefits
  • Cost Efficiency: Outperforms steel or foam alternatives in both purchase and rental costs.
  • Safety & Speed: Lightweight design allows manual handling while minimal connection points accelerate rigging.
Specification of Single Point Buoyancy Units
Single Point Buoyancy Unit in operation
Model Capacity Diameter Length Dry Weight
SPB-500 500 kg 800 mm 1,100 mm 15 kg
SPB-1 1,000 kg 1,000 mm 1,600 mm 20 kg
SPB-2 2,000 kg 1,300 mm 1,650 mm 30 kg
SPB-3 3,000 kg 1,500 mm 2,300 mm 35 kg
SPB-5 5,000 kg 1,700 mm 2,650 mm 45 kg
Technical diagram of Single Point Buoyancy Unit

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Company QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Location Xiazhuang Industry Park, Chengyang, Qingdao, China
Contact Person Xiang Sun

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