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.
Mono Buoyancy Units Specification
DOOWIN single-point mono buoyancy units have 1t, 2t, 3t, 5t common size. The standard color is yellow. The orange color is available upon request. Refer to the below pictures, we also can design and supply upon clients’ request, and special projects.
Type Certificated by Drop Test
DOOWIN single point buoyancy units are type certificated by the drop test. It has proven a factor of safety in excess of 5:1. Our single point buoyancy units are manufactured and tested compliance with IMCA D016. We can provide BV, ABS, LR third party certificate upon request.