Underwater Lift Bags FAQs
General & Applications
Fleximake underwater lift bags are professional marine lifting devices used to raise submerged or heavy objects safely and efficiently.
Typical applications include:
- Marine salvage and wreck recovery
- Underwater construction and pipeline installation
- Aquaculture and net cleaning operations
- Mining equipment recovery
- Ship maintenance and propeller lifting
- Offshore oil & gas support
Yes. Fleximake lift bags are engineered and manufactured in Australia to strict quality and safety standards.
Yes. We can manufacture custom underwater lift bags including size, capacity, fittings, and configuration.
Contact us with your requirements for a tailored quote.
Product Range & Capacities
Cylindrical (Closed Bottom) Lift Bags
- Best for heavy lifting (250 kg – 20,000 kg)
- Stable vertical lift for salvage and structural loads
- Best for lighter lifts (50 kg – 10,000 kg)
- Safer air release during ascent or misalignment
- Ideal for general diving and recovery work
We supply underwater lift bags from 50 kg up to 20,000 kg capacity, including:
- Parachute models: 50 kg – 10,000 kg
- Cylindrical models: 250 kg – 20,000 kg
FCL 20000 Cylindrical Lift Bag:
2300 mm diameter × 5000 mm length
2300 mm diameter × 5000 mm length
Safety & Technical
Heavy-duty, high-tensile, tear-resistant technical fabric designed for harsh underwater environments.
Yes. All Fleximake lift bags include integrated overpressure relief valves for safe controlled ascent.
Yes. They are designed for professional diving operations and include safety features such as:
- Overpressure relief valves
- Reinforced lifting straps
- Controlled ascent design (parachute models)
Ordering & Quotes
Please provide:
- Model(s) required
- Quantity
- Delivery postcode
- Timeframe
- Any custom requirements
Yes. Bulk and project pricing is available for larger orders.
Yes. We deliver across all Australian locations. Freight is calculated based on delivery postcode and order size.
Maintenance
- Rinse with fresh water after use
- Inspect for cuts or wear
- Check valves regularly
- Store dry and out of sunlight
Coming Soon — Vehicle Compatibility Checker
We’re building a smart fitment tool that will allow you to choose your vehicle (Year, Make, Model, etc.) and instantly view all compatible water or fuel bladders. This will help you avoid guesswork, compare options, and ensure you pick the perfect fit for your setup.