Inflatable Marine Airbags Flexible Operation High Durability Easy Maintenance

Airbag launching has evolved into a mature, cost-effective, and structurally reliable method for transferring ships from land to water without dependence on permanent slipway facilities. The technology operates by distributing hull loads across a series of cylindrical reinforced airbags that deform elastically under controlled pressure. This deformation serves two simultaneous functions: load-bearing support and rolling propulsion.

By adjusting internal pressure and spacing, airbag systems can be configured for vessels with varying displacement, keel geometries, and launching-angle requirements. They perform particularly well in shipyards constrained by space, limited infrastructure, or changing shoreline conditions.

Unlike cradle systems or drydock launching, airbag launching does not introduce concentrated point stresses into the hull bottom. Instead, the hull rests on a continuously adapting support surface, allowing stresses to remain within safe yield limits during longitudinal movement. Advanced rubber formulation and high-tensile reinforcement technology ensure structural stability even during rapid pressure transitions and dynamic load cycles.

A notable engineering case took place at a Northern European facility deploying a 165-meter offshore construction barge with a flat-bottomed hull and complex load distribution. Traditional cradle launching was impractical due to infrastructure limitations.

Engineers designed a high-capacity airbag arrangement using 32 airbags (2.0m diameter, 20m length) with differential pressurization to balance asymmetric loads. Laser alignment sensors ensured straight-line movement, and the ground was reinforced with compacted stone and steel plates.

During launch, the barge advanced steadily across the airbags as each unit compressed and released energy in a controlled sequence. The vessel entered the water with low trim variation and no lateral drift, validating airbag launching for large industrial vessels with unconventional mass distributions.

• Reinforced Circular Weave Fabric Technology: Eliminates seam-related stress concentrations and provides uniform tensile characteristics around the circumference for increased fatigue resistance.
• High Energy Absorption Under Dynamic Loading: Calibrated internal rubber elasticity and fabric stiffness absorb dynamic energy during motion.
• Thermal Stability for All-Season Operation: Engineered to retain elasticity and pressure stability across wide temperature ranges.
• Extended Bearing Length for Large Hull Contact Areas: Improves hull-contact stability and reduces localized loading.

• Launching of offshore engineering platforms including heavy industrial barges, pipe-lay vessels, and construction pontoons
• Support for modular shipbuilding and block transfer operations
• Movement of oversized coastal and civil engineering structures

• Material Science Leadership: Proprietary rubber compounds optimized for tensile strength, ozone resistance, and long-cycle fatigue performance
• Advanced Production Automation: Automated calendaring and controlled vulcanization guarantee uniform reinforcement adhesion
• Engineering Support for Complex Projects: Includes slope modeling, differential pressure planning, and real-time technical guidance
• Proven Reliability Worldwide: Extensive operational experience with inspection programs and long-term maintenance support