Marine Salvage Bags

DOOWIN marine salvage bags are totally enclosed cylindrical shape design. It is known as enclosed air lift bags, inflatable buoyancy units, or salvage pontoon.

Marine salvage bags are mainly used for buoyancy support, marine salvage, and re-floatation operation. Furthermore, we also can use marine salvage lifting bags as buoyancy support pontoons for bridges, floating platforms, dock gates, sunken objects, or military equipment. Marine salvage airbags offer an effectual floatation method of reducing the draught of the vessel and lift bag salvage underwater structures. Likewise, these marine airbags also are ideal buoyancy modules for cable or pipeline laying and boat lift air bags.

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Why DOOWIN Marine Salvage Bags?

Advanced design and production technology. The strict quality management system.
Top-quality with a competitive price. DOOWIN marine salvage airbags are your first choice.

Safety | Durability | Reliability | Convenience | Proven

Heavy Duty Material

Made of heavy duty PVC coated polyester fabric. Reach 10,000N/5cm.

Refer to IMCA D016

Design, production, and tested refer to IMCA D016 newest edition.

Third Party Certificates

ABS, LR, BV third-party certificate is available upon request.

Automatic Relief Valves

Relief valves can open automatically to release inside pressure to prevent burst.

Safety Factor 5:1

Design safety working factor 5:1 at least complying with IMCA D016.

Webbing Harness 7:1 SF

Certificate webbing harness (with 7:1 SF) terminate with end shackles.

Marine Rubber Airbags

Better Than Marine Rubber Airbags

Our underwater lifting bags have many obvious advantages over marine rubber airbags. Most noteworthy is light-weight easy to operate. Furthermore, our lifting bags have many automatic pressure release valves to prevent bursts.

Marine Rubber Airbags

Specification of Marine Salvage Bags

Marine salvage lifting bags have commercial lifting bags and professional lifting bags in two types. Its standard color is yellow. We also can make an orange color upon request. Furthermore, we also can design upon clients’ request for its special projects without extra charges.

Note: Gross Weight is shipment weight after packaging with all accessories. The above specification only for your reference. We maybe change its size without notice.

China Unique Professional Manufacturer

We design and test all marine salvage bags complying with IMCA D016 newest edition.
Its safety factory is over 5:1. We use SGS certificated PVC coated fabric material for lifting bags.
These underwater lift bags are certificated by BV, ABS, LR third party organization.