Buoyancy Units & Water Weight Bags

Time-tested Reliable Products that are Built for Success

Marine Salvage

DOOWIN underwater air lift bags can be used for subsea small and large salvage operations. Our robust and highly durable marine salvage buoyancy bags have been used for salvage operations of sunken or grounded vessels, surface buoyancy support. DOOWIN air lifting bags buoyancy products are designed and constructed in compliance with IMCA D016 and LEEA guidelines.

Air Lift Bags Application

Underwater Lift Bags

Marine Salvage Bags

Pillow Lift Bags

Float Bags Salvage Tube

Single Point Buoyancy Units

Crane Load Testing

Water-weight bags have replaced stackable solid weights and are widely considered to be the most practical and safest load-testing solution in the world.

Proof load testing using water-filled proof load bags offer is one safe and cost-effective loading test way to load test lifting equipment and load-bearing structures. Especially for the loading test of cranes, davits, derricks, winches, and virtually any other lifting equipment or load-bearing structure.

We also designed water-filled proof load bags for the lifeboat, gangway, and platform.

Water Weight Bags Application

Crane Test Water Weight Bags

Low Headroom Proof Load Bags

Deck Load Test Weights

Crane Load Test Dynamometer

Lifeboat and Gangway Load Testing

Water-weight bags have replaced stackable solid weights and are widely considered to be the most practical and safest load-testing solution in the world.

Proof load testing using water-filled proof load bags offer is one safe and cost-effective loading test way to load test lifting equipment and load-bearing structures. Especially for the loading test of cranes, davits, derricks, winches, and virtually any other lifting equipment or load-bearing structure.

We also designed water-filled proof load bags for the lifeboat, gangway, and platform.

Water Weight Bags Application

Lifeboat Load Test Water Bags

Gangway Water Bag Test Weights

Lifeboat Davit Load Test

Floor Testing Water Bags

Pipeline / Cable Lay and Shore Landing

We manufacture various inflatable buoyancy units for different pipe laying, cable float, and hose floats. Mono single-point inflatable mono buoyancy units are drop-tested with a 6:1 safety factor by BV. Inflatable buoyancy bags are manufactured in compliance with IMCA D016.

Buoyancy Units Application

Foam Filled Pipeline Floats

Our partner Doowin Marine make the foam filled tie-in pipeline floats. Welcome visit their website to get more information.

Single Point Buoyancy Units

Inflatable Buoyancy Units

Inflatable Cable Floats

Elongated Pipeline Buoyancy Units

圆盘式

Liquid Storage and Transportation

We manufacture various inflatable buoyancy units for different pipe laying, cable float, and hose floats. Mono single-point inflatable mono buoyancy units are drop-tested with a 6:1 safety factor by BV. Inflatable buoyancy bags are manufactured in compliance with IMCA D016.

Buoyancy Units Application

Foam Filled Pipeline Floats

Our partner Doowin Marine make the foam filled tie-in pipeline floats. Welcome visit their website to get more information.

Single Point Buoyancy Units

Inflatable Buoyancy Units

Inflatable Cable Floats

Elongated Pipeline Buoyancy Units

圆盘式

water bladder tanks

Water bladder tanks

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Pillow Type Bladder Tanks

Onion Type Bladder Tanks

Fire Fighting Water Tanks

Inflatable Fenders | Buoys | Floats

Inflatable Fenders | Buoys | Floats

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Hawser Floats

Inflatable PVC Fenders

Fenders & Buoys

Customised Products

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Your Trusted Water Weight Bags and Air Lifting Bags Manufacturer and Service Provider

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