DOOWIN is Chinese leading professional manufacturer of air lift bags, marine salvage airbags, and water weight bags. All underwater lift bags are fully compliant with IMCA-D-016. DOOWIN water weight bags are manufactured and tested comply with the requirements of LEEA 051. DOOWIN equip the modern professional production machine. In addition, we use the market leading material and advanced production technology to manufacture high-quality products.
Air Lift Bags
All DOOWIN underwater lift bags are designed, manufactured and tested in compliance with IMCA D016. We have various type of air lifting bags made of high-quality PVC coating fabric material with 5:1 Safety Factor.
Water Weights
DOOWIN water weights proof load bags are manufactured with the highest quality PVC coating fabric. Our load test water filled weights bags are type certificated by drop test, which proven safety factor in excess of 6:1. DOOWIN crane test weights water bags are manufactured and tested comply with LEEA 051 Guidance, BV, LR , ABS certificated.
Pipeline Buoyancy
We manufacturer various pipeline inflatable buoyancy units for pipe laying work, cable float, hose floats. Our single point buoyancy units are drop tested with 6:1 safety factor by BV. All DOOWIN pipeline buoyancy bags are manufactured and tested in compliance with IMCA D016.
Lifeboat, Davit and Gangway Water Bag
DOOWIN lifeboat testing water filled weights bags system including professional highest quality water bags, professional operation fittings, like diaphragm pump, water meter, manifold.
Standrad Filling Kits
Water Bladder Tanks
DOOWIN produce various collapsible bladder tanks for the potable water, non-potable water storage and oil fuel storage. Our water storage pillow tanks are made of high-quality PVC/TPU coating fabric, using HF-welding technology.