Flanged Dredge Pipeline Quick Assembly High Abrasion Resistance Smooth Bore For Efficient Slurry Transport
Product Overview
Hongruntong Marine's Dredge Pipeline is a heavy-duty, high-performance rubber conveying pipeline specially designed for long-distance, high-capacity transportation of sand, slurry, gravel, and sediment in dredging, land reclamation, port construction, river management, and mining applications.
Constructed with a multi-layer composite structure including an ultra-wear-resistant inner rubber layer, multi-stage high-tensile steel wire reinforcement, and a weather-resistant anti-corrosion outer protective layer, this pipeline provides exceptional durability, pressure stability, and operational safety in harsh marine and industrial environments.
Available in diameters from 150mm to 1200mm and customizable lengths up to 12 meters, the dredge pipeline supports slurry concentrations up to 80% and flow velocities up to 7.5m/s, making it suitable for suction and discharge systems of various large and medium dredging equipment.
Case Study: Gulf Coast Port Expansion Project
In 2024, a large Middle Eastern construction group carried out a port expansion project, requiring high-intensity dredging and sand transportation in a high-temperature, high-salinity coastal environment. The project faced challenges including continuous strong sunlight, coarse sand particles, and long working hours.
Hongruntong Marine supplied 1,200 meters of 1000mm diameter Dredge Pipeline with a 18bar working pressure rating, customized for high-temperature and high-abrasion working conditions. During the six-month project, the system operated continuously with no leakage, joint damage, or unexpected shutdowns.
Compared with the client's original equipment, daily transportation volume increased by 30%, maintenance frequency decreased by 60%, and overall project cost was reduced by 20%.

Technical Specifications
| Material of Rubber |
NR, NBR, SR, CR and etc |
| Material of Flange |
Q235B carbon steel paint |
| Reinforcement Layer |
Rubber, cord fabric and wire reinforcement |
| Size |
1/2" to 32" |
| Working Pressure |
5-22 Bar or As Request |
| Model Number |
HMDH |
| Brand |
Hongruntong Marine |
| Application |
Water irrigation, mud dredging, water suction etc |
| Packing |
Plastic Belt Packing |
| Working Temperature |
-40 ℃ ~ +120 ℃ |
| Warranty |
36 Months |
| MOQ |
1 |
Model Specifications
| Model |
I.D. (inch) |
I.D. (mm) |
W.P. (bar) |
B.P. (bar) |
Min Bending Radius |
Wear Layer Thickness (mm) |
Length (mm) |
| HM-DP150 |
6 |
150 |
5-10 |
15-30 |
8D |
10-20 |
11.8 |
| HM-DP200 |
8 |
200 |
5-10 |
15-30 |
8D |
10-20 |
11.8 |
| HM-DP250 |
10 |
250 |
5-10 |
15-30 |
8D |
10-20 |
11.8 |
| HM-DP300 |
12 |
300 |
10-20 |
30-60 |
12D |
12-25 |
11.8 |
| HM-DP350 |
14 |
350 |
10-20 |
30-60 |
12D |
12-25 |
11.8 |
| HM-DP400 |
16 |
400 |
10-20 |
30-60 |
12D |
12-25 |
11.8 |
| HM-DP450 |
18 |
450 |
10-20 |
30-60 |
12D |
12-25 |
11.8 |
| HM-DP500 |
20 |
500 |
10-20 |
30-60 |
12D |
12-25 |
11.8 |
| HM-DP600 |
24 |
600 |
15-20 |
45-60 |
15D |
20-30 |
11.8 |
| HM-DP650 |
26 |
650 |
15-20 |
45-60 |
15D |
20-30 |
11.8 |
| HM-DP700 |
28 |
700 |
20-25 |
60-75 |
15D |
30-50 |
11.8 |
| HM-DP750 |
30 |
750 |
20-25 |
60-75 |
15D |
30-50 |
11.8 |
| HM-DP800 |
32 |
800 |
20-25 |
60-75 |
15D |
30-50 |
11.8 |
| HM-DP850 |
34 |
850 |
20-25 |
60-75 |
15D |
30-50 |
11.8 |
| HM-DP900 |
36 |
900 |
25-30 |
75-90 |
15D |
30-50 |
11.8 |
| HM-DP1000 |
40 |
1000 |
25-30 |
75-90 |
15D |
50-75 |
11.8 |
| HM-DP1100 |
44 |
1100 |
25-30 |
75-90 |
15D |
50-75 |
11.8 |
Key Features
- High-Efficiency Wear Resistance for Heavy Duty Slurry Transport - Specially formulated high-density rubber inner liner with excellent anti-abrasion performance, withstands long-term erosion from sand, gravel, and sediment.
- Strong Pressure and Vacuum Resistance - Reinforced by multi-layer high-tensile steel wire spirals, provides excellent pressure bearing and anti-collapse performance.
- Excellent High and Low Temperature Resistance - Maintains stable flexibility and mechanical properties in temperatures ranging from -40°C to +120°C.
- Precision Flanged Connection for High-Strength Sealing - Precision-machined carbon steel flanges with standardized connection design for fast alignment and installation.
Applications
- Offshore Dredging and Long-Distance Sand Transport - Channel deepening, port water area development, and offshore construction.
- Inland River, Lake and Reservoir Dredging - Waterway dredging, channel improvement, and reservoir silt cleaning projects.
- Land Reclamation and Coastal Engineering Construction - Large-scale land reclamation and coastal infrastructure construction.
Why Choose Hongruntong Marine
- Professional Industry Experience and Technical Accumulation - Many years of focused experience in marine rubber engineering with rich practical experience.
- Full Customization for Project Specific Requirements - Customized solutions including diameter, length, pressure grade, and flange standards.
- Strict Raw Material Control and Full-Process Quality Inspection - High-quality raw materials from certified international suppliers with complete quality management system.
- Comprehensive Global After-Sales Service System - Full lifecycle services including installation guidance, operation training, and maintenance consultation.
Frequently Asked Questions
- What is the maximum working pressure of your Dredge Pipeline?
Our standard Dredge Pipeline is available with working pressures from 6bar to 25bar. Higher pressure customized versions can be provided according to specific project requirements.
- Can your Dredge Pipeline be applied to floating transportation systems?
Yes, we provide floating Dredge Pipeline systems with integrated buoyancy modules for long-distance offshore slurry transportation.
- What factors affect the service life of the pipeline?
Service life is mainly affected by slurry concentration, particle hardness, flow velocity, working temperature, and maintenance frequency.
- Do you provide international certification documents?
Yes, we can provide complete quality certificates, test reports, and compliance documents according to international standards.
- Can the pipeline be connected with other brands of pipeline systems?
Yes, we can customize flanges according to ANSI, DIN, JIS, GB and other standards to ensure good compatibility.