What are pipeline floats?

Pipeline floats, also called dredge floats or buoyancy modules, are clamp-on polyethylene bodies fitted around discharge pipes to keep a dredging or water-transfer pipeline afloat, aligned and visible on the water surface.

Are polyethylene floats suitable for seawater use?

Yes. Polyethylene is highly resistant to saltwater corrosion, UV radiation and chemical attack, and unlike steel floats it never rusts, which is why PE is preferred in marine environments.

How long is the warranty period?

The warranty starts when the buyer hands over the goods to the investor and ends 18 months after that handover date or 12 months after the installation date, whichever comes first.

What information is needed for an accurate pipe float specification?

Provide pipe outer diameter, pipe material and wall thickness, conveyed medium and its density, pipeline length, site conditions (river, reservoir, port or offshore), required freeboard, colour or marking requirements, quantity and destination port.

Can floats and buoys be customised?

Yes. Float bodies are matched to the specified pipe outer diameter, and colour, marking and fittings can be adapted to project requirements. Custom rotomolded parts can also be produced to drawings.

Custom Custom Pipe Floats for Floating Pipeline Buoyancy and Water Transfer Systems Product, Quotes

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Custom Custom Pipe Floats for Floating Pipeline Buoyancy and Water Transfer Systems Product, Quotes

Q: How do I calculate how many floats I need for my pipeline?

Total float buoyancy must exceed the total weight of the pipe, the conveyed medium (water or slurry) and accessories. As a rule of thumb, floats should provide 20–30% more buoyancy than this total so the pipeline floats with roughly one quarter of its diameter above water.

When you need to keep a pipeline stable on the water, you need more than basic flotation. Your Pipe Floats should match the pipe diameter, operating weight, required freeboard, and site conditions. Our polyethylene flotation units help you build a practical floating pipeline support system for water transfer, mining, industrial processing, and marine applications.

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Phone: +86-158-6665-7686
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Why Choose Giant Rubber？

Over 15 Years Experience

More than 15 years in flotation manufacturing, trusted by marine and water projects worldwide.

Strict Quality Assurance

Every product passes rigorous testing to ensure strength, durability, and UV resistance.

Customized Engineering Solutions

Tailor-made flotation systems for dredging, aquaculture, navigation, and environmental projects.

Fast Global Delivery

Efficient logistics and direct factory supply guarantee on-time worldwide delivery.

Continuous Innovation in Design

Advanced R&D ensures modern, reliable, and eco-friendly flotation products.

Dedicated Customer Support

Professional service from project design to after-sales, ensuring worry-free cooperation.

Product Features

Matched Pipe Fit – You can select the internal diameter according to your pipe outside diameter, helping reduce unwanted movement between the float and pipeline.

Two-Piece Clamp Design – You can assemble the float directly around an installed pipeline, making field installation and individual replacement easier.

Rotomolded Polyethylene Shell – Your float uses a seamless body designed for outdoor exposure, repeated handling, moisture, and impact.

Calculated Buoyancy Support – You can configure float size and spacing according to the total operating weight of your pipeline rather than relying on one standard layout.

Optional Foam-Filled Construction – You can select a foam-filled Pipe Float when your project requires additional flotation retention after localized shell damage.

Reinforced Fastening Zones – Thickened connection areas help distribute clamping force around the bolt positions during installation and operation.

Hardware for Different Water Conditions – You can choose galvanized or stainless-steel bolts and fittings according to freshwater, coastal, or long-term outdoor applications.

Project-Based Customization – You can specify dimensions, flotation capacity, shell thickness, color, markings, fastening components, and packaging.

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Pipe Floats Specifications

Model	Internal Diameter (mm)	External Diameter (mm)	Length (mm)	Wall Thickness (mm)	Net Buoyancy (kg)
FT500*500	110	500	500	5	150
FT600*700	220/250	600	700	5	220
FT500*800	160/180/200/220	500	800	5	240
FT700*900	280	700	900	5	450
FT800*1000	315	800	1000	6	550
FT800*1100	400/350	800	1100	6	600
FT1000*1000	325/350	1000	1000	6	650
FT1100*1100	380/400/450	1100	1100	6	850
FT1200*1200	430/450/500	1200	1200	7	1200
FT1300*1300	480/500/560	1300	1300	7	1500
FT1300*1500	530/560/630/610/660	1300	1500	8	1700
FT1400*1500	560	1400	1500	8	1900
FT1300*1600	560	1300	1600	8	2000
FT1400*1600	630	1400	1600	8	2100
FT1500*1800	660/680/710	1500	1800	9	2450
FT1500*1850	670/680/650/720	1500	1850	9	2500
FT1600*1900	730	1600	1900	9	2900
FT1700*2000	780/810	1700	2000	9	2900
TF1850*2100	840	1850	2100	10	3400
FT2000*2400	900	2000	2400	12	4800
FT2040*2500	940	2040	2500	13	5000
FT2100*2500	1040/1050/1200	2100	2500	13	5500
FT2300*2500	1150/1200	2300	2500	14	6500

Application Scenarios

You can use our floating pipe support floats for water transmission pipelines, reservoir water transfer, industrial cooling-water lines, mine-water systems, slurry transportation, tailings pipelines, water intake and outlet systems, floating pumping stations, aquaculture pipelines, and temporary water supply networks.

For marine and coastal projects, you can use marine pipeline floats to support pipelines across rivers, lakes, reservoirs, ports, lagoons, and nearshore areas. The modular structure is particularly useful when your pipeline needs to be extended, relocated, separated into sections, or periodically recovered for inspection.

You can also use these water transfer Pipe Floats in hydropower facilities, municipal water projects, power plants, mineral processing sites, environmental engineering projects, and industrial water-management systems.

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Suitable Industries

You can apply these polyethylene Pipe Floats in mining, mineral processing, water-resource engineering, municipal infrastructure, power generation, marine engineering, aquaculture, industrial manufacturing, hydropower, coastal construction, and environmental water management.

If you are an EPC contractor, engineering company, pipeline installer, equipment distributor, or project developer, you can also purchase custom Pipe Floats for bulk installation, repeat projects, OEM orders, or private-label distribution.

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Frequently Asked Questions (FAQ)

Q1: Can you design products specifically for customers?

A1: Of course. We have a professional design team that can design products according to our clients' specifications, including dimensions, structural controls, custom configurations, and OEM orders.

Q2: How do I calculate how many floats I need for my pipeline?

A2: You need to ensure total buoyancy exceeds total weight. Calculate the combined weight of the pipeline itself, the material inside (e.g., slurry/water), and connected accessories. The floats should provide at least 20-30% more buoyancy than this total weight to keep the pipeline floating reliably (usually leaving 1/4 of the pipe diameter above water).

Q3: How thick is the plastic on the floats? Precisely what is the material?

A3: All of our floats feature robust polyethylene (PE) shells ranging from 5mm to 14mm in thickness depending on the size model. Each float is internally filled with closed-cell polyurethane foam for safety, structural integrity, and continued flotation retention even if punctured.

Q4: Are these floats suitable for seawater use?

A4: Yes, absolutely. High-grade polyethylene (PE) is inherently resistant to saltwater corrosion, UV degradation, and chemical erosion. They are widely preferred over traditional steel floats in marine conditions because they never rust.

Q5: What hardware options are available for securing the floats?

A5: We supply high-tensile galvanized steel hardware for standard freshwater applications and marine-grade stainless steel (SUS304 or SUS316) bolts, nuts, and washers for high-salinity seawater and heavy chemical settings.

Q6: Can the two-piece clamp design accommodate existing, installed pipelines?

A6: Yes, the modular two-piece design allows complete installation or replacement around operating pipelines without detaching or lifting pipe joints, greatly reducing labor and downtime on site.