
Doowin Inflatable Rubber Air Tube for Boat Lift Inflatable Products Airbags for Boat Salvage. Heavy-Duty Construction: Constructed from high tensile rubber, synthetic tire cord layers, and vulcanized inner layer. Automatic Safety Valves: Equipped with safety valves to automatically release pressure when inner pressure reaches rated value. High Safety Factor: Polyester webbing lifting straps maintain a minimum 6:1 safety factor of buoyancy. Wide Customization: Diameter 0.8-3.5m and Length 5-30m available upon client request. High Buoyancy Capacity: Maximum buoyancy capacity can reach up to 300 tons. 24 Months Warranty: Comprehensive 24-month warranty coverage for all mechanical defects. ISO14409 Standard: Manufactured in strict compliance with ISO14409 international standards. Versatile Applications: Suitable for salvage, ship launching, cargo carrying, and pipeline float-out.