Leak Proof Structure Flanged Dredge Hose Pipe For Heavy Duty Dredging
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 |
- Ultra-High Pressure Resistance for Deep-Water Operations: The hose is specifically engineered to handle extremely high internal pressures encountered in deep-water and long-distance dredging systems. The multi-layer steel wire reinforcement ensures uniform stress distribution and prevents structural deformation under continuous high-load conditions.
- Advanced Anti Fatigue Structural Design: Through optimized reinforcement geometry and material selection, the hose exhibits exceptional resistance to fatigue caused by cyclic loading and bending. This ensures long-term reliability in offshore environments where constant movement and vibration are present.
- Low-Temperature Performance Stability: Special rubber formulations enable the hose to maintain flexibility and mechanical strength even in low-temperature conditions. This is critical for projects in colder regions where standard hoses may become brittle and prone to failure.
- Modular and Easy Integration Design: The hose is designed for easy integration with various dredging systems through standardized flange connections and modular configurations. This simplifies installation and reduces operational complexity.
- Offshore Dredging and Pipeline Systems: Ideal for deep-water dredging and offshore infrastructure projects requiring high durability.
- Large-Scale Infrastructure Projects: Supports major port expansions, coastal protection, and reclamation works.
- Cold Region Engineering Projects: Suitable for operations in low-temperature environments.
- International Project Experience: The company has participated in numerous global dredging projects, providing solutions that meet diverse environmental and operational requirements.
- Compliance with International Standards: Products are manufactured in accordance with international quality and safety standards, ensuring reliability and acceptance in global markets.
- Continuous R & D Investment: Hongruntong Marine invests in research and development to improve material performance and product design, ensuring technological advancement.
- End to End Project Support: From design consultation to after-sales service, the company provides comprehensive support, ensuring successful project execution.

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