Dredge Pipeline is a versatile and high-strength slurry transport solution designed for industrial-scale dredging and marine construction operations. It features a multi-layer reinforced structure combining synthetic rubber with high-tensile textile cords and optional steel wire spirals, providing a balance of flexibility and structural integrity.
The inner lining is optimized for abrasion resistance, minimizing wear caused by sand, silt, and mixed sediment. Its smooth yet durable surface reduces friction and maintains flow efficiency over long operational periods. The outer layer provides excellent protection against UV radiation, saltwater corrosion, ozone exposure, and mechanical impact.
In a European industrial dredging project, the client needed to transport highly abrasive sediment from a riverbed to a sediment processing facility. After deploying Dredge Pipeline, the operation achieved significant improvements:


| Parameter | Specification |
|---|---|
| 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 |
| Working Temperature | -40 ℃ ~ +120 ℃ |
| Warranty | 36 Months |
| Model | I.D. (inch/mm) | W.P. (bar) | B.P. (bar) | Min Bending Radius | Wear Layer Thickness (mm) | Length (m) |
|---|---|---|---|---|---|---|
| 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 |



