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Home > Products > Offshore Bouys > PU foam filled float buoy, marine floater with dredge pipe Subsea Buoyancy

PU foam filled float buoy, marine floater with dredge pipe Subsea Buoyancy

Product Description

    General surface support buoys are entensively used in single point mooring (SPM) system. The three main type are as below: Cylindrical Buoys. Chain thought Buoys. Pick-up Buoys.   Evergreen General Marine Foam Buoys are manufactured from a polyethylene or EVA thermo-laminated foam core encapsulated within self-colored polyurethane out skin. Used extensively in single point mooring (SPM) systems, the three main types of support buoy are: Cylindrical Buoys, Chain-Throught Buoys, Pick-Up Buoys.   Construction Features:   l        Core
The core is manufactured by batching up the resilient closed cell polyethylene or EVA foam and uniformly and continuously thermolaminating each layer together. The method ensures a bond stronger than the foam itself and eliminates the use of adhesives which can break down under long use. Useing of a polyethylene foam core ensure the buoy will not absorb water even if the skin is punctured, increasing the lifespan of the product and reducing maintenance costs. The resilient material makes the buys self fendering with a high impact absorption capacity.   l        Skin
The core is encapsulated with a skin of high performance polyurethane elastomer, spray applied. Polyurethane elastomer is selected for the skin because of its high resistance to abrasion, fatigue and ultra violet degradation and is significantly more durable than polyethylene materials used in the construction of rotationally moulded buoys.   l        Steelwok and end assembly
Comprising through central steel tube with longitudinal gussets and external load distribution flanges at each end. A swivel assembly, certified 10 tonnes SWL, with bows at each end passes through the central tube. 
All the material of swivel assembly are hot dip galvanized. Steelwork to be coal tar epoxy painted.  
Material: Swivel assembly: bows to BS970
                Gusets, flanges carbon steel to BS EN10025 Fe 430 A or B
                Central tube to BS 6323 Pt 3 HFS 5
Finish: Swivel assembly hot dip galvanized to BS 729 Zn2/Zn4 at 610 g/m2
             Steelwok to be coal tar epoxy painted
Skin Colour: Orange, Yellow and others         Subsea Buoyancy Evergreen can make buoyancy material used for subsea up to 7000m. Product of different opplications buoyancys are manufactured upon our advance subsea buoyancy material. We can make subsurface mooring buoys , cable float, pipeline buoys, ROV buoyancy module , special buoys, and other synmatic foam products. Our high-performance subsea buoyancy material and synmatic foam have the following performance.  

Item

Unit

Value

500m

1000m

1500m

4500m

Density

g/cm³

0.4

0.45

0.5

0.6

Compressive Strength

MPa

5

10

15

40

Hydrostatic Pressure

MPa

5

10

15

37

Water Absorption

%

2(5MPa,24h)

2(10MPa,24h)

2(15MPa,24h)

2(40MPa,24h)

  Advantage of Evergreen pick- up buoys   1,Advanced  framework design . 2.Over 20 year's expriences in marine buoys, more improvements are reflected  in production. 3.Durable practical. 4.More flexible,easy installation. 5.Safety and reliability. 6.Economical, Good after service.
7.Variety of end fitting to choose 8.Good technical supports 9.Abrasion resistant tough skin   Cylinderical buoys   Chain thought Buoys.   Customized buoys    Subsea Buoys   Special buoys   Company Information   Headquarter in beautiful coastal city, China Qingdao, Evergreen Maritime is the professional manufacturer of marine airbags, ship fenders and offshore buoys. Also well known by his subsidiary, Eversafe Marine, who serves global clients for ship launching and heavy lifting projects.    Evergreen Maritime covers an area more than 40,000 square meters, well equipped with complete production facilities. With advanced management and devoted working attitude, Evergreen Maritime makes sure 100% control of production quality.   Evergreen Maritime gets accreditations of both ISO9001:2 008 quality system and Chinese Military G J B 9001-2001 quality system. His products are certified by many classification societies, such as ABS, LR, BV, CCS.    Evergreen Maritime provide one stop service for global clients from products to technical service. With good track records, Evergreen is the supplier of Chinese Navy, C N O O C and C N P C in 2 0 1 0 years. As a global supplier, the Corporation served more than twenty countries’ clients that include many Top-500 companies.   Evergreen Maritime made his contributions to the industry by developing airbags engineering technology in different fields. He owns invention patents and many world projects in ship launching and heavy lift fields. Evergreen Maritime is well positioned to serve customers to achieve win-win cooperation. Keep moving ahead and strive to be better is Evergreen people’s unchangeable pursuit. Direct contact:   If you have any questions and requirements, please feel free to contact me.   Email: aimee.sun(at)evergreen-maritime.com Skype:aimee.sun2014 Yours sincerely Marketing Manager: Aimee Sun

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