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Underwater Lift Air Bag -Open Bottom- Parachute Style “OB/DL”

The Canflex Model OB/DL (Open Bottom Underwater Lift Bag style) are tear drop shaped units used for lifting objects from any depth. These air lift bags are equipped with one positive venting relief/dump valve mounted in center of the top lift plate. This valve is spring loaded with the spring pressure set on “diver controlled manual dump position”.

All OB/DL lift bags up to 10 tonne capacity come with a 146 mm threaded connector and an air tight cap. The use of this bottom fitting allows the lift bag to be either totally enclosed TE/DLE or open bottom OB/DLE.

Open Bottom Lift Bags are most commonly used in commercial and military salvage. These are the most commonly used bags for deep water lifts.

Some of the Canflex Model OB/DLE lift bag features are:

  • Made of high tenacity PVC coated polyester fabric (48 to 88 oz/y2).
  • Large lift capacity in a small packing space.
  • Equipped with Inverter Line Attachment Point.
  • All seams are RF welded.
  • Appropriate shackle(s) and master links for a single lift / attachment point.
  • 1/2” or 3/4″ NPT fill port with inflation valves available.
  • Operational Manual with Certifications and Log Book.
  • Appropriate screw pin shackle(s) for a single lift point.
  • High flow relief/dump valve can be inverted and set to automatic dump position for totally enclosed TE/DLE lift bag.
  • ABS load / volume certificate/verification of capacity available.

Applications include, but not limited to:

  • Deep and Shallow Water Salvage
  • Towing
  • Recreational Diving
  • Emergency Rescue
  • General Flotation
  • Dynamic Ascending Buoyancy Assist
  • Pipe or Cable Flotation
  • Under Water Construction

Capacities range from 1 to 50 Tonnes ( 1,000 to 50,000 Kg).

:: Technical Information

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Canflex-Lift-Bags-Open-Bottom-Style

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