Dredging Rubber Hose is a premium-grade solution developed for high-capacity dredging systems operating in extreme marine environments. Designed with a heavy-duty multi-layer structure, the hose incorporates an ultra-abrasion-resistant inner lining, reinforced steel wire carcass, and a high-strength outer protective layer. This construction ensures exceptional performance in both high-pressure discharge and suction applications.
The hose is engineered to meet stringent international standards and can be tailored to specific project requirements, including large-diameter configurations exceeding 1000 mm. Its robust design enables it to withstand continuous operation under high flow rates, aggressive materials, and challenging offshore conditions.
By combining durability, flexibility, and reliability, this dredging hose significantly enhances operational efficiency while reducing maintenance costs and downtime, making it an ideal choice for large-scale infrastructure and offshore engineering projects.
In an offshore pipeline installation project involving deep-water dredging operations, the contractor required hoses capable of handling high-pressure slurry transport under severe environmental conditions, including low temperatures and strong currents.
Hongruntong Marine supplied heavy-duty dredging hoses with reinforced steel wire layers and specially formulated low-temperature-resistant rubber compounds. The hoses were deployed in a floating pipeline system connecting a cutter suction dredger to the offshore discharge point.
The hoses demonstrated outstanding performance, maintaining flexibility and structural integrity even in low-temperature environments. The failure rate was significantly reduced, and operational efficiency improved by over 30%. The client acknowledged the product's reliability and confirmed its suitability for future offshore projects.

| Parameter | Details |
|---|---|
| Name | Dredging Rubber Hose |
| 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) | I.D. (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 |
