On-shore and Off-shore Marine Salvage Operation Parachute Open Underwater Air Lift Bags Inflatable Buoyancy Bag are water drop shaped units. Generally only pen bottom parachute bags should be used where any form of ascent is planned or possible, such as vessel salvage or raising objects from the seabed. The open bottom design make the operation more safety.
On-shore and Off-shore Marine Salvage Operation Parachute Open Underwater Air Lift Bags Inflatable Buoyancy Bag is one kind of very useful buoyancy device. Especially for the diving salvage, underwater salvage, pipeline laying floaters, buoyancy support and refloatation, lifting sunken objects operation of underwater diving work.