Mono Buoyancy Units
DOOWIN single point buoyancy units are one kind enclosed pipeline buoyancy bags. It only has one single lifting point. So it is very effective for the steel or HDPE pipelines laying work at or near the surface. Moreover, it also can work at a large angle, like the parachute type air lift bags.
Vertical single point mono buoyancy units 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.
DOOWIN make mono buoyancy bags with a capacity less than 5ton. For the bigger capacity, you can choose our parachute air lift bags.