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Inflatable Buoyancy Units 2018-07-02T09:29:17+00:00

Professional Pipeline Buoyancy Floats

Inflatable Buoyancy Units

DOOWIN inflatable buoyancy units is one kind of cylindrical shape fully enclosed buoyancy bags. It is known as salvage pontoon, totally enclosed air lift bags, or buoyancy bags. 

Enclosed Inflatable buoyancy units provide an ideal static buoyancy system for cable, pipeline, or hose. Inflatable buoyancy bags can be attached to the pipe along the pipeline suitable for installation buoyancy on pipeline float-outs, beach pulls and river crossings. Customer can tie the inflatable buoyancy bags to the pipe horizontally. The user can control its buoyancy to allow the load to settle gently into the correct position.

It has many advantages compared with the traditional foam buoys or rubber airbags.

Totally Enclosed Air Lift Bags

Physically Proven Safety Factor
Maximum Capacity Water Bag

Inflatable Buoyancy Units Specification

DOOWIN inflatable buoyancy units have commercial buoyancy bags and professional buoyancy bags. The standard color is yellow. But, the orange color is available upon request. We also can design and supply upon clients’ request and special projects.

Inflatable Buoyancy Units Specification

Inflatable Buoyancy Units

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

Inflatable Buoyancy Units
Inflatable Buoyancy Units for Mcdermott
Inflatable Buoyancy Units for Pipe Laying

Inflatable Buoyancy Units Features & Advantages

DOOWIN enclosed inflatable buoyancy units are made of heavy duty PVC coated fabrics SGS certificated. Top quality with the competitive price make DOOWIN inflatable buoyancy bags as the first choice.

–    Made of heavy duty PVC coated polyester fabric
–    All seams are RF welded, no glue use
–    Fold compactly for easy efficient storage
–    3/4” B.S.P air inlet stainless/brass ball valves
–    Certificate webbing harness (with 6:1 SF) terminate with end shackles
–    Equipped with Automatic Pressure Relief Valves
–    Horizontal resistant belts used to connect each lifting belts
–    Design Safety Working Factor 5:1 at least
–    Complete with “Operation and Maintenance Manual” and mill certification
–    Manufactured and Tested comply with IMCA D016, certificated by ABS, LR, BV
–    ABS, LR, BV third party certificate is available upon request
–    Spreader beam is available upon request too.
–    Equipped with all necessary accessories, delivered ready for use
–    Custom sizes and types available upon request

Inflatable Buoyancy Units Constructions

Inflatable buoyancy units are fabricated from heavy duty polyester cloth coated with PVC.  Each inflatable buoyancy unit is equipped with automatic pressure relief valves. It can open when pressure reach rated valves. Certificated heavy duty polyester webbing with end shackles, and air inlet stainless/ brass ball valves are equipped too.

Advantages Compare with other Floats

Inflatable buoyancy units have many advantages comparing with solid foam floats, or marine rubber airbags.

–    Light weight, easy to operate
–    Easy to connect and release with pipeline
–    Small packaged volume easy to storage and transport
–    Auto pressure release valves ensure the safety
–    Easy to reclaim after disconnect with pipeline
–    Adjustable buoyancy by inflate/deflate air

DOOWIN Enclosed Inflatable Buoyancy Units

Chinese Unique Professional Manufacturer

DOOWIN design and test the inflatable buoyancy units comply with IMCA D016.
The enclosed inflatable buoyancy units are certificated by BV, ABS, LR third party organization.
Its safety factory is over 5:1. All PVC coated fabric material, which is used for inflatable buoyancy units, were certificated by SGS.
Visit About Us, Products, Service to get more information.

ABS Inspection Certificate

Inflatable Buoyancy Units ABS Certificate

BV Inspection Certificate

Inflatable Buoyancy Units BV Certificate

LR Inspection Certificate

Inflatable Buoyancy Units LR Certificate

Professional Cast Quality

Excellent quality water bags and reliable service, they deliver exactly what they agree to and perfectly on time.

Stephen Barnett, MODEC (Singapore)

Awesome to use DOOWIN buoyancy bags for our Aramco project. Its quality completely can be comparable with UK products.

Dr.Chen, China Harbour (Aramco Project)

We have confident with DOOWIN. They can help us with innovative solution, well prepared to accommodate to our request.

Hugo Silva (Project Manager), McDERMOTT

Please feel free to contact our professional team!

Mobile: +86-185 5486 9267 (WhatsApp)
Email: sales@doowin-dooflex.com

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Arc-Shaped Pipe Floaters

Recently, we designed one kind new arc-shaped pipe float buoys. This type pipe float buoys can connect with the pipe closer to get more buoyancy in the shallow water condition. We can make pipe float buoys according to the different diameter pipe. The buoyancy is from 1ton to 10ton each unit.

Arc-shaped pipe floater has three lifting webbing sling. So pipe laying float can be strapped to the pipeline to reduce the tension and weight in the pipeline during the installation. The pipe laying float buoys can provide the buoyancy when pull the pipeline underwater.

Advantage of arc-shaped pipe floater:

  • It can provide higher buoyancy at same water depth
  • Different diameter design for various diameter pipe
  • Easy to install and remove
  • Equipped with auto pressure release valve
  • Customized size availiable

Please contact us sales@doowin-dooflex.com, or +86-18554869267.