Corrosion Resistant HDPE Hose Float with Easy Installation for Marine Pipelines
Hose Floats are precision-engineered flotation devices designed to support floating pipeline systems used in port infrastructure, harbor construction, marine utility networks, and coastal engineering projects. These flotation units provide controlled buoyancy for flexible hoses and floating pipelines, ensuring operational stability, structural integrity, and efficient fluid transportation across a wide range of marine environments.
Modern ports and coastal facilities depend on floating pipeline systems for numerous operational functions, including seawater intake, cooling water circulation, wastewater discharge, dredged material transportation, fire protection systems, and temporary utility networks during construction activities. These systems often operate under challenging conditions involving vessel-generated waves, tidal fluctuations, changing water levels, strong currents, and continuous operational loading.
Hose Floats are typically constructed using a closed-cell buoyancy core enclosed within a durable rotationally molded polyethylene shell. The flotation core provides reliable uplift force while resisting water absorption and buoyancy loss during long-term operation. The outer shell acts as a protective barrier against impact, ultraviolet radiation, marine growth, abrasion, and environmental degradation.
The engineering purpose of the Hose Float extends beyond simple flotation support. Properly designed buoyancy systems help maintain pipeline geometry, reduce bending stress, improve load distribution, and minimize fatigue loading at hose connections. The modular split-body design allows installation around existing hoses or pipelines without requiring extensive modifications to the system.
A major commercial port in Northern Europe launched an infrastructure modernization project aimed at upgrading its marine utility network serving multiple cargo terminals and logistics facilities. The project involved the installation of a floating seawater transfer pipeline used to supply cooling water to industrial processing equipment located throughout the port complex.
The pipeline route crossed several active navigation areas where vessel traffic generated continuous wave action and hydrodynamic disturbances. During the initial operational phase, the pipeline experienced excessive movement caused by tidal changes, vessel wakes, and seasonal weather conditions. Engineers identified increasing stress levels at flexible hose connections and support points.
To address these challenges, the port authority initiated a technical review of the floating pipeline system. Engineering analysis determined that the existing flotation arrangement provided insufficient buoyancy distribution. A customized Hose Float solution was subsequently developed to improve stability and support long-term infrastructure performance.
Following implementation, the pipeline exhibited significantly improved stability under both normal operating conditions and periods of increased vessel traffic. Monitoring data indicated a reduction in dynamic movement and lower stress concentrations at critical connection points. Maintenance inspections confirmed reduced wear rates and improved overall system reliability.

| Item | Requirements | Item | Requirements |
|---|---|---|---|
| Tensile Strength | ≥13.1MPa | Water Absorption | 1-2g/100cm² |
| Break Elongation | ≥11.1% | Breaking Strength | 0.08-0.1MPa |
| Impact Strength | ≥32.4KJ/m² | Breaking Elongation | 4-6% |
| Bending Strength | ≥15.7MPa | Compressive Strength | 0.1-0.24MPa |
| Weather Resistance After total aging energy≥3.5GJ/m² | Break Elongation %≥ 10 | Oxidative Induction Time 200°Cmm≥ | 10 |
- Good flexibility, excellent impact resistance, particularly suitable for construction in open sea
- Lightweight weight easy to install and handle, low costs for moving
- High corrosive resistance, 3 times longer life than steel floats
- Higher cost performance than steel float
| Float I.D. (mm) | Float O.D. (mm) | Float Length (mm) | Thickness (mm) | Net Buoyancy (KGS/Float) |
|---|---|---|---|---|
| 160-180 | 500 | 800 | 4 | 280 |
| 225 | 600 | 700 | 4 | 320 |
| 280 | 700 | 900 | 4 | 450 |
| 340 | 1000 | 1000 | 6 | 500 |
| 410 | 1100 | 1100 | 6 | 550 |
| 460 | 1200 | 1200 | 6 | 1200 |
| 510 | 1300 | 1300 | 7 | 1250 |
| 560 | 1300 | 1500 | 8 | 1360 |
| 610 | 1400 | 1600 | 8 | 1600 |
| 630 | 1480 | 1600 | 8 | 1950 |
| 680 | 1550 | 1800 | 8 | 2200 |
| 730 | 1620 | 1900 | 9 | 2300 |
| 780 | 1700 | 2000 | 9 | 2700 |
| 840 | 1850 | 2100 | 12 | 3200 |
| 890 | 2000 | 2400 | 12 | 4600 |
| 940 | 2040 | 2500 | 13 | 4900 |
| 1150 | 2400 | 2600 | 14 | 6500 |
NOTE: Customized floaters are available.
Engineered to provide controlled buoyancy distribution along pipelines, maintaining desired elevation and alignment while reducing excessive movement caused by waves, currents, and water level fluctuations.
Rotationally molded polyethylene shells provide excellent resistance to corrosion and environmental degradation, significantly reducing lifecycle maintenance costs.
Closed-cell flotation core resists water ingress and maintains stable buoyancy characteristics throughout prolonged operational exposure in demanding marine environments.
Split-body design allows installation around existing pipelines without disconnecting system components, reducing installation complexity and project downtime.
- Port Utility Pipeline Networks: Seawater supply, wastewater discharge, cooling water circulation, and temporary utility services
- Harbor Construction and Coastal Development: Supporting dredging, water transfer, dewatering, and utility operations
- Industrial Waterfront Facilities: Process water, cooling systems, and wastewater management for coastal industrial plants
- Comprehensive Marine Infrastructure Experience: Extensive experience supporting ports, coastal developments, and offshore engineering operations
- Engineering-Driven Product Development: Solutions based on engineering analysis, field experience, and operational performance requirements
- Customization for Infrastructure Projects: Project-specific engineering support covering buoyancy calculations and installation recommendations
- Quality Control and Global Supply: Comprehensive quality procedures and efficient logistics coordination worldwide
Hose Floats can support flexible hoses, utility pipelines, dredging pipelines, seawater transfer systems, wastewater discharge lines, and other floating pipeline applications requiring controlled buoyancy.
Yes. The polyethylene shell and closed-cell flotation core are specifically selected for long-term marine service and provide excellent resistance to seawater, ultraviolet radiation, and environmental degradation.
Yes. Buoyancy capacity, dimensions, shell thickness, and mounting configurations can be engineered according to project-specific operating conditions and pipeline requirements.
The split-body construction allows installation around existing pipelines without disconnecting the system, reducing labor requirements, installation time, and operational disruption.
Yes. The product is designed for both temporary and long-term service and is widely used in permanent marine infrastructure systems where durability, reliability, and low maintenance requirements are critical.

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