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Surface Buoyancy & Underwater Air Lift Bag – Tetrahedron Style

The (SLE – Enclosed Bottom) or (SLD – Open Bottom) lift bags are a “Surface and Underwater Lift Bag Tetrahedron Style.” These units are equipped with either a positive venting air relief valve or a diver controlled manual dump valve, respectively. The dump valve allows air control with a push of a button at the top of the bag and a lanyard at the bottom—vent air from above, beside, or below the lifting bag to achieve desired ascent rate. The enclosed bottom lift bag style also has a 98 mm threaded connector with an air tight cap.

These lift bags are ideal for smaller lifts in shallow waters due to their low profile. The tetrahedron style lift bags are small in size and can be stored easily after use and easily repairable.

Some of the Canflex Tetrahedron lift bag features are:

  • All seams RF welded
  • Versatile and stable shape
  • Single lifting / attachment point
  • Automatic Air Relief valves or manual dump mode
  • Inverter line attachment point
  • 1/2” or 3/4″ NPT fill port with inflation valves available

Testing Applications include, but not limited to:

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

Capacities range from 220 thru 1,100 lbs ( 100 to 500 kg).

Technical Information

UNDERWATER LIFT BAG “TETRAHEDRON STYLE” SLD (OPEN BOTTOM), SLE (TOTALLY ENCLOSED)
Model Lift Capacity Height Base Volume Shipping Cube Dry Weight
kg lb m in m in m3 ft3 m3 ft3 kg lb
* SLE/D-100 100 220 0.85 33.50 0.85 33.5 0.10 3.53 0.012 0.4 3.6 8.0
* SLE/D-272 272 600 1.13 44.75 1.19 47.0 0.272 9.60 0.014 0.5 4.0 8.8
* SLE/D-500 500 1100 1.33 52.50 1.42 56.0 0.50 17.60 0.014 0.5 5.0 11.0
NOTE: All capacities are based on fresh water, 100 kg/m3 (62.4 lbs/ft3) 1000 kg = 1 Metric Tonne = 2205 lbs; 1 Short Ton = 2000 lbs; 1 Long Tonne = 2240 lbs MATERIAL SPECIFICATIONS: “High Tenacity – PVC coated polyester fabric” with RF (HF) Welded seams (*) Total material weight = 48 oz/yd2 (1622 g/m2). All underwater lift bags are completely equipped including the appropriate quantity of automatic air relief valves with manual dump capability, lift harness of high strength polyester, carry/storage satchel or marine-grade, shipping/storage plywood box.
500 Kg TETRAHEDRON STYLE LIFT BAG
SLE

Tetrahedron Airlift Bag

Capacities range from 220 thru 1,100 lbs ( 100 to 500 kg)

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