Pipeline buoyancy bags are made of heavy duty PVC coating fabric material comply with IMCA D-016. Each enclosed mono buoyancy unit is fitted with pressure relief valves, and filling/discharge ball valves. One internal strop is used to connect the top lifting point with the bottom lifting point. We also can make lifting belts from the top to the bottom to reinforce the lifting capacity. 

DooFlex make vertical buoyancy bags with capacity less than 5ton. For the bigger capacity, you can choose our .

Features of Vertical Buoyancy Bags

• Made of high tensile and UV stabilized PVC coating fabric material
• Comply with IMCA D-016, 5:1 safety factor design
• 5cm RF welded seams
• Auto-pressure relief valves are equipped
• High strength internal connecting straps
• One single lifting point design, special designed lifting hook
• Reinforced end part design
• Certificated by drop test
• Equipped with 2 x 3/4'' standard ball valves
• High quality shackles supplied together with mono buoyancy units