Exceptional Buoyancy Control
Boat Lift Helper bags deliver up to 60 tons of lifting force per
unit. Overpressure relief valves and dual inflation ports give
divers precise control of ascent speed and stability, minimizing
the risk of uncontrolled rises.
Reinforced Safety Design
Manufactured with double-layer, heavy-duty coated fabric and
RF-welded seams, these bags are built for high stress and harsh
underwater environments. Integrated anti-tear safety patches
provide extra protection when handling jagged or abrasive loads.
Rapid Deployment Versatility
Each bag can be rolled into a compact size for transport. Standard
air fittings allow inflation from scuba cylinders or compressors.
Multiple attachment points let operators secure loads in different
configurations, from vertical lifts to horizontal stabilization.
Enhanced Visibility Monitoring
High-visibility panels and color-coded straps make it easy to
identify bag position underwater. Optional lift indicators allow
operators on the surface to monitor inflation and load position in
real time for added safety.
Applications
Heavy Vessel Recovery
Ideal for lifting sunken fishing boats, barges, or small ferries.
Cylindrical lift bags provide a balanced and safe lift, reducing
the risk of damage during recovery.
Pipeline Subsea Equipment Installation
Perfect for positioning or removing underwater pipelines, valves,
and other marine infrastructure. Their shape minimizes current
drag, allowing accurate placement.
Emergency Salvage Rescue
Useful for stabilizing overturned vessels, raising crashed aircraft
sections, or supporting emergency flotation equipment during
disaster response.
Why Choose Hongruntong Marine?
Innovative Engineering Expertise
Our design team continuously improves the buoyancy and safety of
Boat Lift Helper models. Using 3D modeling and fluid-dynamics
simulations, we create lift bags with superior performance in
real-world marine conditions.
Rigorous Quality Assurance
All Boat Lift Helpers are produced in ISO 9001-certified
facilities. Each bag undergoes full buoyancy and leak testing
before shipment. Quality checkpoints cover fabric integrity, seam
weld strength, valve performance, and attachment durability.
Global Marine Project Experience
Hongruntong Marine equipment has supported projects in over 30
countries. In 2023, a European salvage company used our lift bags
to recover a 180-ton floating dock section after a
storm—successfully and ahead of schedule.
Comprehensive Customer Support
We provide detailed operation manuals, training videos, and 24/7
technical assistance. Spare parts such as valves and straps are
always in stock. For large-scale or specialized lifts, our
engineers can offer on-site guidance to ensure smooth and safe
operations.
FAQ
1. What sizes of Boat Lift Helper are available?
Models range from 1-ton to 60-ton buoyancy per bag. Operators can
combine multiple units to achieve larger lifting capacities, for
example, five 20-ton bags to lift a 100-ton structure.
2. How do I safely inflate and deflate the bags?
Use standard scuba cylinders or low-pressure compressors. Inflate
gradually while monitoring the load. Use the overpressure relief
valves to control ascent speed. Always vent air slowly at the
surface before disconnecting.
3. What maintenance is required?
After each operation, rinse bags with fresh water, check seams and
valves for wear, and store deflated in a cool, dry place. Routine
inspection every 6 months will extend service life to 10 years or
more.
4. Are the bags compatible with existing rigging systems?
Yes. Reinforced stainless-steel D-rings and webbing straps
accommodate shackles, chains, and slings. In a recent salvage
operation in Canada, our bags were used with a crane barge and
custom rigging frame to lift a 35-ton dock section.
