Underwater Lift Bags
Underwater lift bags from Flexitank
Underwater lift bags from Flexitank Australia have been at the forefront of salvage and flotation since 1984. Flexitank design, engineer and manufacture a sophisticated range of inflatable lift bags for a multitude of applications and industries.
Underwater salvage lift bags from Flexitank are a trusted product worldwide.
Flexitank’s inflatable lift bags are widely used by salvage and marine operators, offshore oil and gas, shipping, and defense sectors. Our inflatable lift bags offer an extensive range of off-the-shelf enclosed, parachute, and pillow style air bladders for lifting.
With our our state of the art lift bag design and manufacture, we address some of the world’s most demanding salvage and flotation challenges.
Shop Flexitank’s range of inflatable salvage and lift bags here:
Salvage lift bags
Flexitank’s salvage lift bags range from 250kg dive bags to heavy-duty helicopter flotation devices for the Australian Navy to 20 tonne parachute bags.
Flexitank offers a range of inflatable lift bags for salvage and flotation purposes that mean our clients have complete trust in our solutions, thanks to our proven track record, know-how, and a keen eye for detail.
Flexitank offer three types of inflatable lift bags for the purpose of salvage and flotation:
Enclosed cylindrical lift bags:
| Code | Lifting capacity (kg) | Lifting capacity (lb) | Diametre (mm) | Length (mm) | Number of lifting points |
|---|---|---|---|---|---|
| 0.5TENC | 500 | 1,100 | 720 | 1500 | 5 |
| 1TENC | 1,000 | 2,200 | 900 | 2000 | 6 |
| 2.5TENC | 2,500 | 5,510 | 1000 | 3000 | 6 |
| 5TENC | 5,000 | 11,020 | 1500 | 3000 | 7 |
| 10TENC | 10,000 | 22,040 | 2200 | 3000 | 7 |
Parachute style lift bags:
| Code | Lifting capacity (kg) | Lifting capacity (lb) | Diametre (mm) | Length (mm) |
|---|---|---|---|---|
| 0.25PCH | 250 | 50 | 750 | 1100 |
| 0.5PCH | 500 | 1,100 | 900 | 1400 |
| 1PCH | 1,000 | 2,200 | 1150 | 1650 |
| 2.5PCH | 2,500 | 4,400 | 1500 | 2700 |
| 5PCH | 5,000 | 11,020 | 1800 | 3300 |
| 10PCH | 10,000 | 22,040 | 2400 | 4100 |
| 20PCH | 20,000 | 44,090 | 3100 | 6200 |
Pillow tank shape lift bags:
| Code | Lifting capacity (kg) | Lifting capacity (lb) | Length (mm) | Width (mm) |
|---|---|---|---|---|
| 0.1TENP | 100 | 220 | 750 | 1025 |
| 0.25TENP | 250 | 550 | 850 | 1400 |
| 0.5TENP | 500 | 1,100 | 1200 | 1400 |
| 1TENP | 1,000 | 2,200 | 1500 | 1600 |
| 2TENP | 2,000 | 4,400 | 1800 | 2050 |
| 3TENP | 3,000 | 6,600 | 2050 | 2900 |
*please note: Parachute lift bags and pillow tank shape lift bags are all supplied with a single lifting point at the base of the bag.
Flexitank salvage and lift bags are supplied as a ready to be used product, and are supplied with the following features:
- Standard safe working ration of 6:1 (compliant to IMCA D-016);
- 920gsm European PVC with heavy duty cloth giving it superior tensile strength;
- 1” inlet and outlets with manual dump valves and either cam lock or claw (storz) depending on our client’s requirements;
- Pressure relief valves with function set at 2 PSI above ambient pressure;
- Heavy duty webbing straps with lifting points with Dee of bow shackles (at our client’s direction);
- Heavy duty webbing straps with a single lifting point with a Dee of bow shackle (at our client’s direction);
- Reusable valise bag; and,
- Certificates of conformance
Need more information?
Various Flexitank lift bags
1 tonne lift bags in use
Flexitank 2.5 tonne lift bags in use
2.5 tonne lift bags in use
Flexitank 5 tonne & 500kg cylindrical lift bags under test
5 tonne & 500kg cylindrical enclosed lift bags under testing
Flexitank 5 tonne bags in Courier Mail
Media coverage of 5 tonne lift bags in the Courier Mail
1000kg pillow tank lift bags in testing
1 tonne pillow tank under pressure testing
1000kg pillow tank lift bags in testing
1 tonne pillow tank under pressure testing
2.5 tonne lift bags inflated during testing
2.5 tonne lift bag with shackles and over pressure valves
2.5 tonne lift bags side view
2.5 tonne lift bags side view
2.5 tonne lift bags end view
End view of 2.5 tonne cylindrical enclosed lift bag
Flexitank 7 tonne bags under load
Customised 8 tonne lift bags creating pontoon inflation for urgent bridge repairs
Flexitank 7 tonne bags used as pontoons
Customised 8 tonne lift bags creating pontoon inflation for urgent bridge repairs
Flexitank 7 tonne bags
Customised 8 tonne lift bags creating pontoon inflation for urgent bridge repairs
Flexitank 7 tonne bags under load
Customised 8 tonne lift bags creating pontoon inflation for urgent bridge repairs
500kg Flexitank pillow tank lift bags in use
500kg pillow tank lift bags in action
Every Flexitank lift bag is designed, manufactured and tested to meet strict IMCA D-016 regulations for the use of inflatable salvage and flotation lift bags.
Optimised to transport and to stow
Operational flexibility via remote, user-controlled, variation of total buoyancy
Low ongoing maintenance requirements and very easily repairable if the need ever arises
Can be taken subsea deflated, and only inflated to provide buoyancy as and when required
Easy to handle
Flexitank inflatable lift bags offer an unrivalled group of further advantages:
Fully compliant with IMCA D-016
Proven track history across a multitude of industry with 35 years of manufacturing knowhow
Cap sealed welds to ensure the longest inflation times and highest weld integrities offered anywhere in the world
Stock of most sizes held in house
Manufactured from high performance, European manufactured 920gsm PVC in safety orange or yellow
Hot air welded seams and RF-welded closure points, with high quality and load-assured strops and connectors, all with full traceability back to our source
All attached strops and lifting points are sewn and welded to every bag
For more information on our range or to discuss any projects that you have in mind, please fill out the form below and our sales team will be in contact with you as soon as possible:
