Enviroguard provide underwater lifting bag is a designed to complete the loading moving equipment in the handling industry. Heavy Duty Air Inflatable Lift Bags consist of, but not limited to, Enclosed Style Lift Bag, Open Bottom Style Lift Bag, Tetrahedron Style Lift Bag and Pontoon Style Lift Bag. Air lifting bags are all turnkey ready and collapsible for easy storage and economical transport. Lifting Bags are items of diving equipment consisting of a robust and air tight bag with straps, that is used to lift heavy objects under water by means of the bag’s buoyancy.
The heavy object can either be moved horizontally underwater by diver or sent unaccompanied to the surface. It is advisable to select a lift bag with an appropriate capacity for the task at hand. If the lift bag is grossly oversized a runaway or otherwise out of control ascent may result. Underwater lift bags may also incorporate dump valves to allow the operator to control the bags buoyancy during ascent. If a single bag is insufficient, multiple bags may be used, and should be distributed to suit the load.
Lift Bags are also used for the supporting loads on the surface of the water. These Air lifting bag is equipped with one positive venting relief or dump valve mounted in the center of the top lift plate. This valve is spring loaded with spring pressure set to automatically open when over-pressured.
