Pipeline Buoyancy Bags

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DooFlex individual pipeline buoyancy bags are designed to provide buoyancy continually, to support the submarine cable or steel pipe during installation and transportation in shallow water


Individual Pipelaying Buoyancy Bags

Individual Buoyancy Bags for PipelineThe individual pipelaying buoyancy bags are manufactured using the high quality material PVC coated fabric which has highly abrasion resistance, and UV resistant. The arrange of size is various. It can made into any diameter and length upon the special requirements for the projects.

The using method is very flexible and various. One way, the pipeline float are supplied in flat form. When deploy the pipeline, the pipeline float can be attached to the pipeline at 1m spacing continuous. When deploy the correct length of cable to the suitable position, then open the end valves and deflate the air, let the pipeline sink into the water. It’ll get the better buoyancy performance when the total enclosed type air bags are used at the same time. 

The rated capacity of pipelaying buoyancy bags is from 100kg to 35ton.

Model     Lift Capacity Dimension (m) Appr. Packed Size (m) Weight
KGS LBS Dia Length Length Width Height (kgs) 
TP-250L 250 550 0.7 1.1 0.7 0.35 0.3 8
TP-500L 500 1,100 0.9 1.4 0.8 0.35 0.3 10
TP-1 1,000 2,200 1 1.8 1.2 0.4 0.35 18
TP-2 2,000 4,400 1.2 2.3 1.1 0.4 0.4 28
TP-3 3,000 6,600 1.2 3 1.2 0.5 0.45 39
TP-5 5,000 11,000 1.5 3.4 1.3 0.5 0.5 52
TP-10 10,000 22,000 2.2 3.6 1.3 0.8 0.6 89
TP-15 15,000 33,000 2.2 4.6 1.3 0.8 0.7 120
TP-20 20,000 44,000 2.5 5.6 1.3 0.8 0.75 138
TP-25 25,000 55,125 2.5 5.7 1.6 0.9 0.8 189
TP-30 30,000 66,000 2.9 6.1 1.6 0.9 0.8 280
TP-35 35,000 77,000 2.9 6.2 1.6 1 0.9 310

  


Twin Inflatable Pipeline Buoyancy Bags

twin inflatable Buoyancy BagsThe twin inflatable pipeline buoyancy bags can be used for the buoyancy suport used for providing buoyancy support for the pipeline, cable installation as pontoon in water. Twin individual inflatable pipeline pontoon are made by two individual pontoon after connecting. The pipeline or cable can be put on the middle support sheet easily. There are many cord fastener on the body of pipeline floater in order to fix it with pipline easily.

The rated capacity is from 100kg to 2ton.

The pipeline buoyancy bag has the follow Features and Advantages: 

●    Various lifting capacities unit meter
●    Easy to attach and loosed from cable.
●    Over-pressure valve used
●    No stress or point loads applied to the pipe
●    Easy to transport and use
●    Highly quality PVC coating fabric to provide the excellent buoyancy


Model    Lift Capacity Dimension (m)
KGS LBS Diameter Length
TF100 100 220 0.46 0.4
TF300 300 660 0.46 1
TF500 500 1,100 0.51 1.5
TF800 800 1,760 0.6 1.8
TF1000 1,000 2,200 0.6 2

 

Cable Buoyancy Buoyss

The cable buoyany buoys are used for the cable buoyancy bags, small diameter pipelaying buoyancy buoys. The cable buoyancy bags have dual individual chamber, which can wrap the cable or pipe naturally.

Model    Lift Capacity Dimension (m)
KGS LBS Width Length
CF100 100 220 0.7 1.5
CF200 200 440 1.3 1.6
CF300 300 660 1.5 1.6
CF400 400 880 1.5 2.2
CF600 600 1,320 1.5 2.8

 


Please contact us to get more technical information.