Specifications
Brand Name :
Hongruntong Marine
Model Number :
HM-DP9
Certification :
ISO, ABS, DNV, RMRS, CCS, LR, BV, SGS, V-Trust
Place of Origin :
China
MOQ :
1
Price :
USD58 to USD950 Per Piece
Payment Terms :
L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability :
1260 Pcs Per Month
Delivery Time :
5-7 Work Days
Packaging Details :
Wooden Pallet, Wooden Box
Name :
Dredge Pipeline
Material :
NBR
Reinforcement :
Rubber, cord fabric and wire reinforcement
Length :
Customized Length
Connection :
Flange, Coupling
Working Pressure :
10-21 Bar
Color :
Black or Customized
Application :
Dredging operations
Usage :
Suction for Slurry,Sand,etc
Description
Dredge Pipeline High Wear Resistance Flexible Structure Large Flow Capacity For Dredging Projects
Product Overview

Hongruntong Marine's Dredge Pipeline is a heavy-duty, engineered rubber pipeline system designed for high-demand sand, slurry, and sediment transport in dredging, port construction, land reclamation, and mining applications. Constructed from multi-layer premium rubber compounds, high-tensile steel wire reinforcement, and a wear-resistant outer protective layer, this pipeline delivers exceptional durability, flexibility, and pressure stability for continuous operation in harsh marine and industrial environments.

Available in diameters from 150mm to 1200mm and custom lengths up to 12 meters, the dredge pipeline supports high-volume slurry flow with solid concentrations up to 75% by weight, making it suitable for suction and discharge duties on cutter suction dredgers, trailing suction hopper dredgers, and land-based pumping systems. Its ultra-wear-resistant inner liner resists abrasion from sand, gravel, and rock particles, while the reinforced structure provides outstanding resistance to UV radiation, saltwater corrosion, ozone cracking, and extreme temperatures ranging from -40°C to +80°C.

Designed with precision flanged connections, the pipeline allows fast, secure, and leak-proof assembly, significantly reducing downtime during installation and relocation. Its flexible structure adapts smoothly to uneven seabeds, tidal movements, and complex routing without kinking or flow restriction.

Case Study: Middle East Port Deepening Project

A major port development group in the Middle East required a reliable slurry transport system to deepen its main navigation channel from 12m to 16m to accommodate large bulk carriers. The project involved continuous transport of coarse sand and shell fragments under high temperatures and high salinity, placing extreme demands on wear resistance and structural stability.

Hongruntong Marine supplied 1,100 meters of 1000mm diameter dredge pipeline with a 16bar working pressure rating, customized for high-abrasion and high-temperature conditions. The pipeline's wear-optimized inner liner maintained integrity under sustained flow velocities up to 6.5m/s, with zero leakage or joint failure over the five-month project. Compared to the client's previous pipeline solution, maintenance intervals were extended by more than 60%, and daily output increased by 27%, reducing overall project cost by 19%.

The client praised the system's stable performance, easy connection design, and long service life under harsh coastal conditions. The project finished ahead of schedule, and the customer has since standardized on Hongruntong Marine dredge pipeline for all regional port and reclamation works.

High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System
High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System
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
Extreme Abrasion Resistance for Long Service Life

The dredge pipeline is built with a specially formulated high-density rubber inner liner that delivers exceptional resistance to abrasive media such as sand, gravel, silt, and rock particles. Tested in accordance with ISO 4649, its abrasion loss is controlled below 70mm³, providing up to three times longer service life compared to conventional rubber pipelines. The liner also features high tear strength and elastic recovery, preventing cracks, punctures, and premature wear even when handling sharp or coarse materials.

High Structural Strength and Pressure Stability

Reinforced with multi-layer high-tensile steel wire spirals, the dredge pipeline offers exceptional burst pressure performance and structural rigidity under working pressures up to 25 bar. The reinforcement layer is firmly bonded to the rubber matrix through a high-temperature vulcanization process, eliminating delamination, deformation, or wire breakage under dynamic pressure fluctuations.

Superior Weather and Corrosion Resistance

The outer layer of the pipeline uses a chloroprene-based rubber compound engineered for long-term exposure to marine environments. It provides excellent resistance to saltwater corrosion, UV radiation, ozone, and temperature extremes, preventing surface hardening, cracking, or material degradation after years of outdoor use.

Fast and Reliable Flanged Connection System

Each segment of the dredge pipeline is equipped with precision-machined carbon steel flanges that enable strong, alignment-friendly, and leak-proof connections. The flange structure is securely bonded to the pipeline body to avoid separation under pressure or movement. The standardized connection design allows crews to complete joint assembly efficiently, cutting installation time by nearly half compared to traditional coupling systems.

Applications
  • Port and Harbor Dredging & Deepening: Widely used for port deepening, channel widening, and basin maintenance, ensuring efficient and continuous sediment removal to maintain safe navigation depths.
  • River and Lake Dredging for Navigation & Flood Control: Supports sediment excavation, channel cleaning, and flood prevention initiatives in inland waterway projects.
  • Land Reclamation and Coastal Construction: Efficiently transports sand and fill materials from offshore borrowing areas to reclamation sites for large-scale land creation and coastal development projects.
Why Choose Hongruntong Marine
  • Decades of Specialized Expertise: Over 20 years focused on marine and dredging infrastructure solutions with deep engineering experience across global projects.
  • Fully Customized Design: Tailored solutions including diameter, length, pressure rating, and structural reinforcement for project-specific requirements.
  • Strict Quality Control: Comprehensive testing including hydrostatic testing, dimensional inspection, tensile testing, and abrasion testing to ensure compliance with international standards.
  • Comprehensive After-Sales Support: Full lifecycle support including installation guidance, operational training, maintenance consultation, and rapid spare parts supply.
Frequently Asked Questions
What working pressure ranges are available for your dredge pipeline?

Our standard dredge pipeline supports working pressures from 6 bar to 25 bar. Custom higher-pressure designs are also available based on project needs. Each unit is hydrostatically tested at twice its rated working pressure to ensure safety.

Can the pipeline be used for floating transport systems?

Yes, we offer integrated floating dredge pipeline systems with built-in buoyancy units, specially designed for offshore and long-distance surface transport. These systems maintain stable buoyancy under waves and currents without sinking or twisting.

How long is the typical service life in normal dredging conditions?

Under standard sand and silt dredging conditions, the service life is generally 3 to 5 years with proper maintenance. In high-abrasion mining applications, it typically lasts 2 to 3 years. Service life can be extended with regular inspection and proper storage.

Do you support international flange standards?

Yes, we provide flanges compatible with ANSI, DIN, JIS, GB, and custom drilling patterns to ensure full compatibility with global pipeline systems and equipment.

What is the recommended storage method for unused pipeline?

The pipeline should be stored in a cool, dry, ventilated area away from direct sunlight, heat sources, and chemicals. It should be placed horizontally with proper support to avoid deformation. Covering with UV-protective material is recommended for long-term storage.

High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System
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High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System

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Brand Name :
Hongruntong Marine
Model Number :
HM-DP9
Certification :
ISO, ABS, DNV, RMRS, CCS, LR, BV, SGS, V-Trust
Place of Origin :
China
MOQ :
1
Price :
USD58 to USD950 Per Piece
Contact Supplier
High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System
High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System
High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System
High Wear Resistance Dredge Pipeline Large Flow Capacity Rubber Pipeline System

Hongruntong Marine (Beijing) Co., Ltd

Verified Supplier
1 Years
beijing, beijing
Since 1990
Business Type :
Manufacturer
Total Annual :
7000000-1100000
Employee Number :
300~500
Certification Level :
Verified Supplier
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