flexible bag made of PVC coating fabric.Then package in one plywood box.
7days after deposit received
Professional Pipeline Buoyancy Floats
Inflatable Buoyancy Units
DOOWIN inflatable buoyancy units is one kind of cylindrical shape fully enclosed buoyancy bags. It is known as salvage pontoon, totally enclosed air lift bags, or buoyancy bags.
Enclosed Inflatable buoyancy units provide an ideal static buoyancy system for cable, pipeline, or hose. Inflatable buoyancy bags can be attached to the pipe along the pipeline suitable for installation buoyancy on pipeline float-outs, beach pulls and river crossings. Customer can tie the inflatable buoyancy bags to the pipe horizontally. The user can control its buoyancy to allow the load to settle gently into the correct position.
It has many advantages compared with the traditional foam buoys or rubber airbags.