Dredging Rubber Hose is a high-performance fluid conveying solution specifically engineered for demanding dredging operations in marine, port, and inland waterway environments. It is constructed using a multi-layer composite structure consisting of a wear-resistant synthetic rubber inner lining, high-tensile reinforcement layers, and a weather-resistant outer cover. This design ensures exceptional durability under continuous transport of abrasive materials such as sand, slurry, gravel, and sediment mixtures.
The hose is available in a wide range of diameters and pressure ratings, allowing it to meet diverse project requirements from small-scale maintenance dredging to large offshore reclamation works. Its superior load-bearing capacity enables stable operation under high-pressure pumping systems, while the optimized internal structure reduces friction loss and enhances material flow efficiency.
Engineered for long-term outdoor use, the product demonstrates excellent resistance to UV radiation, ozone exposure, saltwater corrosion, and temperature fluctuations. These characteristics make it highly suitable for harsh marine environments where reliability and durability are critical.
In a major port channel deepening project in the Middle East, a fleet of cutter suction dredgers was deployed to increase navigational depth for large bulk carriers exceeding 80,000 DWT. The project required continuous discharge of high-density sand and gravel slurry over a distance of more than 1.5 kilometers under high ambient temperatures and saline conditions.
Previously used hoses showed rapid internal wear and frequent rupture due to abrasive materials and sustained high pressure, leading to costly downtime and operational delays. The challenging environmental conditions, including extreme heat and intense UV exposure, further accelerated material degradation.
After implementing Hongruntong Marine Dredging Rubber Hose, the operation achieved significantly improved durability and performance. The enhanced abrasion-resistant lining reduced wear rate, while the reinforced structure maintained stability under high-pressure loads. The hose system operated continuously with minimal maintenance interruptions, improving overall dredging efficiency by approximately 28 percent. The project team reported extended service life, reduced replacement frequency, and lower operational costs.

| Name | Discharge Hose Pipe |
|---|---|
| Nominal Bores | From 150mm (6") to 1200mm (47") |
| Length | Up to 11.8 Metres (38ft) |
| Working Pressure | Up to 20 bar |
| Safety Factor | 4:1 |
| Flange Options | Fixed, Swivel, Double-Flange and Built-in-Nipple Designs |
| Features | Heavy-Duty Robust Construction Designed to Handle Large Dredged Particles Hoop-Ring or Spring-Wire-Helix Construction for Flexibility or Full Vacuum During Service Tailor-Made Designs, Including Self-Floater, Suction Dredge Hose and Flexible Discharge Hoses Suitable for Slurries Containing Rock, Shell and Coral |
| Model | I.D. (inch/mm) | W.P. (bar) | B.P. (bar) | Min Bending Radius | Wear Layer Thickness (mm) | Length (m) |
|---|---|---|---|---|---|---|
| HM-DHP150 | 6 / 150 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DHP200 | 8 / 200 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DHP250 | 10 / 250 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DHP300 | 12 / 300 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP350 | 14 / 350 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP400 | 16 / 400 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP450 | 18 / 450 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP500 | 20 / 500 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP600 | 24 / 600 | 15-20 | 45-60 | 15D | 20-30 | 11.8 |
| HM-DHP650 | 26 / 650 | 15-20 | 45-60 | 15D | 20-30 | 11.8 |
| HM-DHP700 | 28 / 700 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP750 | 30 / 750 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP800 | 32 / 800 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP850 | 34 / 850 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP900 | 36 / 900 | 25-30 | 75-90 | 15D | 30-50 | 11.8 |
| HM-DHP1000 | 40 / 1000 | 25-30 | 75-90 | 15D | 50-75 | 11.8 |
| HM-DHP1100 | 44 / 1100 | 25-30 | 75-90 | 15D | 50-75 | 11.8 |
