Key Highlights:

High Safety Standard: Built with a 5:1 Safety Factor for maximum stability in harsh marine conditions.

Certified Quality: Manufactured under ISO 9001:2015; optional third-party certificates (BV, ABS, DNV, CCS) available.

Heavy-Duty Construction: Multi-layer high-tensile synthetic cord reinforcement wrapped in wear-resistant marine rubber.

Global Logistics Ready: Compact, foldable design for cost-effective freight and rapid offshore deployment.

Structural & Engineering Advantages

Open-Bottom Pressure Venting
Controlled Ascents: Naturally releases expanding air during ascent to prevent over-pressurization.

Dynamic Buoyancy Control: Allows operators to make real-time air adjustments during underwater positioning.

Parachute Geometry for Structural Balance
Even Load Distribution: The hemispherical top design evenly distributes stress across the airbag body.

Enhanced Stability: Reduces tilting or swaying when raising irregular subsea structures.

Multi-Layer Reinforced Construction
Outer Layer: Heavy-duty, UV- and marine-abrasion-resistant rubber that resists damage from barnacles and sharp debris.

Middle Layers: High-tensile synthetic nylon/polyester cord plies providing the primary load-bearing strength.

Inner Layer: Highly flexible, air-tight rubber lining ensuring reliable air retention over extended operations.

Technical Specifications

Feature / Parameter	Specification
Product Type	Parachute Type Open Bottom Salvage Airbag
Main Applications	Vessel recovery, shipwreck salvage, subsea lifting, pipe laying support
Structure	Open bottom, parachute geometry with heavy-duty load straps
Material	Premium natural/synthetic rubber compound with high-tensile cord layers
Safety Factor	5:1 Minimum Design Working Load Ratio
Inflation Medium	Compressed Air
Working Temperature	-20°C to +60°C (-4°F to 140°F)
Lifting Capacity	100 kg to 50 Tons per unit (Customizable)
Quality Compliance	ISO 9001:2015 \| Third-party inspection (BV / ABS / DNV / CCS) upon request

Quality Assurance & Manufacturing Standards

Precision Layering: High-strength synthetic cords are applied at calculated angles to ensure uniform stress absorption.

Pressure Vulcanization: Integrated heat-and-pressure vulcanization creates a seamless, durable bond between all layers.

Pre-Shipment Inspection: Visual and dimensional checks of all webbing, D-rings, and structural joints.

Key Marine Applications

Shipwreck & Wreckage Removal: Sectional recovery of fishing boats, tugboats, barges, and submerged hulls.

Offshore Equipment Lifting: Temporary buoyancy support for subsea manifolds, pipelines, and underwater machinery.

Emergency Vessel Stabilization: Rapid deployment to assist grounded, damaged, or listing vessels.

Project Evaluation & Custom Engineering

Object Details: Type, dimensions, and estimated underwater weight.

Site Environment: Operating water depth, currents, and seabed clearance.

Operation Goals: Target lifting height, preferred rigging points, and quantity required.

Certification Requirements: Specify if third-party test certificates (BV, ABS, DNV, CCS) are needed.

FAQ

Q: What is a Parachute Type Open Bottom Salvage Airbag?

A: It is an inflatable marine lifting device designed for underwater recovery operations. The parachute-style open bottom structure provides buoyancy assistance for lifting submerged vessels, equipment, and marine structures.

Q: What are the advantages of an open bottom design?

A: The open bottom design allows water to escape during inflation, reducing underwater resistance and helping operators achieve more controlled lifting performance.

Q: What projects are these salvage airbags suitable for?

A: They are commonly used for shipwreck recovery, sunken vessel salvage, offshore equipment lifting, marine rescue operations, and underwater recovery projects.

Q: How do I choose the correct salvage airbag size?

A: Selection depends on the object weight, water depth, lifting height, recovery method, and required buoyancy. Project information is normally reviewed before recommending a suitable configuration.

Q: Can multiple salvage airbags be used together?

A: Yes. Multiple airbags can be arranged together to increase total lifting capacity and improve lifting balance for larger recovery projects.

Q: How long can salvage airbags be used?

A: Service life depends on operating conditions, maintenance, storage environment, and frequency of use. Proper inspection and storage help extend service performance.

Q: Can these airbags withstand marine environments?

A: They are designed for marine applications and use reinforced rubber construction to improve resistance against seawater exposure, abrasion, and repeated operation.

Q: What information is needed before requesting a quotation?

A: Buyers should provide the lifting object details, estimated weight, water depth, required lifting height, project conditions, and expected application method.

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