QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
                                                                                                           
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Totally Enclosed IBUs Inflatable Buoyancy Units For Marine Salvage

Price Negotiable
Price: Negotiable
MOQ: 1pc
Delivery Time: 2~3 weeks
Brand: DOOWIN MARINE
Product Description
Totally Enclosed Inflatable Buoyancy Units For Marine Salvage
DOOWIN Inflatable Buoyancy Unit (TP/IBU) Product Introduction

DOOWIN IBUs provide flexible, multi-purpose flotation for demanding subsea applications. Designed for precision buoyancy control, these enclosed units excel in pipeline float-outs, beach pulls, river crossings, and vessel/platform draft reduction. Their robust construction ensures stability even during towing operations (up to 2 knots depending on conditions).

Engineered for Performance
  • Material: High-tensile polyester with UV-stabilized PVC coating for durability
  • Safety Features: 316 stainless steel Camlock valves and 38mm pressure relief valves
  • Operating Pressure: 2 psi over ambient for optimal displacement volume
User-Friendly Design
  • Compact & Lightweight: A 5-ton inflatable buoyancy units weighs only 46 kg, enabling easy handling by two crew members
  • Integrated Ladders & Spacing Straps: Simplify deployment and ensure even load distribution
  • Low-Profile Configuration: Ideal for shallow-water operations with minimal vertical height
Horizontal Deployment Expertise

Unlike conventional air lift bags, DOOWIN's end-strop system prevents bulging by directing airflow during inflation. Circumferential strops accommodate load angles up to 15°, while our Mono Buoyancy Units handle steeper angles.

Cost-Effective & Globally Proven
  • Transport Efficiency: Shipping weight is just 1% of inflated capacity (e.g., 500 tons of buoyancy fits in a 20-ft container)
  • Rental Fleet: DOOWIN maintains the world's largest certified IBU inventory, with units deployed across all major oceans
  • Adjustable Buoyancy: Air can be released/added controllably for precise load positioning during demobilization
Key Features at a Glance
  • Safety: 5:1 WLL design (7:1 strops), multiple relief valves, RF-welded seams
  • Compliance: IMCA D-016; ISO 9001 accredited manufacturing
  • Operational Ready: Delivered with certifications, and repair kits
Specification of Enclosed Inflatable Buoyancy Units
Model Capacity (kg) Capacity (lbs) Diameter Length Pick-up Points Inlet Valves Gross Weight
TP-50L 50 KG 110 lbs 0.3m 0.6m 2 1 x 3/4'' BSP 5kg
TP-100L 100 KG 220 lbs 0.4m 0.9m 2 1 x 3/4'' BSP 6kg
TP-250L 250 KG 551 lbs 0.7m 1.1m 2 1 x 3/4'' BSP 8kg
TP-500L 500 KG 1,102 lbs 0.9m 1.4m 2 1 x 3/4'' BSP 10kg
TP-1T 1,000 KG 2,205 lbs 1.0m 1.8m 2 2 x 3/4'' BSP 18kg
TP-2T 2,000 KG 4,409 lbs 1.2m 2.3m 2 2 x 3/4'' BSP 28kg
TP-3T 3,000 KG 6,614 lbs 1.4m 2.5m 3 2 x 3/4'' BSP 39kg
TP-5T 5,000 KG 11,023 lbs 1.5m 3.4m 4 2 x 3/4'' BSP 52kg
TP-6T 6,000 KG 13,228 lbs 1.6m 3.6m 4 2 x 3/4'' BSP 66kg
TP-8T 8,000 KG 17,637 lbs 1.8m 3.8m 5 2 x 3/4'' BSP 78kg
TP-10T 10,000 KG 22,046 lbs 2.1m 3.6m 5 2 x 3/4'' BSP 89kg
TP-15T 15,000 KG 33,069 lbs 2.2m 4.6m 6 2 x 3/4'' BSP 120kg
TP-20T 20,000 KG 44,092 lbs 2.4m 5.6m 7 2 x 3/4'' BSP 138kg
TP-25T 25,000 KG 55,116 lbs 2.5m 5.7m 8 2 x 3/4'' BSP 189kg
TP-30T 30,000 KG 66,139 lbs 2.7m 6.1m 6 2 x 3/4'' BSP 280kg
TP-35T 35,000 KG 77,162 lbs 2.9m 6.2m 7 2 x 3/4'' BSP 310kg
TP-50T 50,000 KG 110,231 lbs 2.9m 8.0m 9 2 x 3/4'' BSP 340kg

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

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

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