Specifications
Brand Name :
Hongruntong Marine
Model Number :
HM-DP59
Certification :
ISO, ABS, DNV, RMRS, CCS, LR, BV, SGS, V-Trust
Place of Origin :
China
MOQ :
1
Price :
USD80 to USD889 Per Piece
Payment Terms :
L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability :
4510 Pcs Per Month
Delivery Time :
5-7 Work Days
Packaging Details :
Wooden Pallet, Wooden Box
Name :
Dredge Pipeline
Material :
NBR
Color :
Black or Customized
Connection :
Flange, Coupling
Working Pressure :
10-21 Bar
Reinforcement :
Rubber, cord fabric and wire reinforcement
Application :
Dredging operations
Length :
Customized Length
Usage :
Suction for Slurry,Sand,etc
Description
Floating Dredge Pipeline - Leak Proof Design, Easy Installation, Stable Connection for Marine Dredging
Product Overview

Hongruntong Marine's Dredge Pipeline is a high-performance, heavy-duty composite pipeline system specifically engineered for the rigorous demands of slurry, sediment, and sand transport in large-scale dredging, mining, and coastal infrastructure projects. Crafted with a multi-layered structure that integrates a high-wear resistant synthetic rubber inner liner, high-strength steel cord reinforcement, and a corrosion-resistant outer protective layer, this pipeline delivers exceptional durability, flexibility, and pressure stability for continuous, long-term operation in the harshest marine and industrial environments.

Available in standard diameters ranging from 250mm to 1200mm, with custom lengths up to 12.5 meters, the Dredge Pipeline is optimized to handle high-volume slurry flow with solid concentrations up to 80% by weight, making it ideal for both suction and discharge operations in large cutter suction dredgers, trailing suction hopper dredgers, and land-based slurry pumping systems.

Case Study: Singapore Offshore Land Reclamation Project

In 2023, a leading global dredging consortium was commissioned to implement a large-scale offshore land reclamation project in Singapore, requiring the transport of 2.8 million cubic meters of sand from offshore borrow sites to the reclamation area. The project presented unique challenges, including strong open-sea currents, high salinity, and the need for continuous, high-volume sand transport over long distances (up to 15km), with minimal maintenance and zero operational downtime.

Hongruntong Marine supplied 1,800 meters of 1000mm diameter floating Dredge Pipeline with a 18-bar working pressure rating, customized with integrated buoyancy modules and corrosion-resistant flanges to withstand the harsh offshore conditions. Over the 8-month project duration, the pipeline operated continuously with zero leaks, joint failures, or structural damage, increasing daily sand transport volume by 38% compared to the consortium's previous pipeline system.

The client praised the pipeline's stable floating performance and low maintenance requirements, which reduced operational costs by 22% and allowed the project to be completed 3 weeks ahead of schedule.

Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging
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
Detailed 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
Ultra High Wear Resistance for Extreme Abrasion Scenarios

Hongruntong Marine's Dredge Pipeline features a specially formulated synthetic rubber inner liner with a hardness of 70±5 Shore A, engineered to withstand the most abrasive slurry and sediment transport applications. The liner is reinforced with high-strength fiber additives, delivering an abrasion loss of ≤60mm³ per ISO 4649 standards—35% lower than industry averages—ensuring 4x longer service life compared to standard rubber pipelines.

Enhanced Buoyancy and Stability for Floating Offshore Operations

Our floating Dredge Pipeline is integrated with high-density foam buoyancy modules, custom-engineered to provide optimal buoyancy and stability in open-sea conditions. The buoyancy modules are securely bonded to the pipeline's outer layer using a proprietary adhesive, ensuring a water-tight seal that prevents water ingress and buoyancy loss.

Superior Corrosion and Chemical Resistance

The Dredge Pipeline's outer cover is manufactured from a chloroprene-nitrile rubber compound that provides exceptional resistance to saltwater corrosion, industrial chemicals, and harsh environmental conditions. The compound resists hydrolysis, microbial attack, and chemical degradation, ensuring no performance loss even after prolonged exposure to saltwater, mining chemicals, or industrial wastewater.

High Vacuum Resistance for Suction Dredging Applications

Engineered with a multi-layer steel cord spiral reinforcement, the Dredge Pipeline delivers exceptional vacuum resistance, making it ideal for heavy-duty suction dredging operations. The pipeline can withstand vacuum levels up to 0.95 bar (95% vacuum), ensuring structural integrity without collapse or deformation during suction operations.

Applications
  • Floating Offshore Dredging and Sand Transport: Industry-leading solution for floating offshore dredging operations, providing reliable, long-distance slurry and sand transport from offshore borrow sites to onshore or reclamation areas.
  • Port Expansion and Navigation Channel Dredging: Efficient sediment removal and slurry transport to maintain safe navigation depths for large container vessels and bulk carriers.
  • Mining Tailings and Industrial Slurry Transport: Transport of high-abrasion mining tailings and slurry from mining sites to tailings ponds or processing facilities.
Why Choose Hongruntong Marine
Specialized Expertise in Floating and Offshore Dredge Pipeline Systems

Hongruntong Marine brings over 30 years of specialized experience in designing and manufacturing Dredge Pipeline systems, with a particular focus on floating offshore applications. We have supplied floating Dredge Pipeline to 300+ offshore dredging projects across 50+ countries, earning a reputation for reliability and performance in the most demanding marine environments.

Customized Floating System Design and Engineering

We offer fully customized floating Dredge Pipeline solutions, with buoyancy modules, pipeline diameter, length, and pressure rating tailored to each project's specific requirements—including wave conditions, current speeds, and transport distance.

Stringent Quality Control and International Certification

Hongruntong Marine adheres to the highest quality standards, sourcing only premium raw materials from certified global suppliers. Each batch of Dredge Pipeline undergoes rigorous quality testing to ensure compliance with international standards (ISO 28017, ABS, and DIN 8609).

On-Site Technical Support and Project Management

We provide comprehensive on-site technical support for all Dredge Pipeline projects, including installation guidance, commissioning, operational training, and troubleshooting. Our global service network ensures timely technical assistance wherever your project is located.

Frequently Asked Questions
What is the maximum diameter and length of your Dredge Pipeline?
Our standard Dredge Pipeline is available in diameters from 250mm to 1200mm, with custom diameters up to 1500mm for special projects. Standard lengths are up to 12.5 meters, and we can also produce custom lengths based on project requirements, with no compromise on structural integrity or performance.
Can the floating Dredge Pipeline be used in rough sea conditions?
Yes, our floating Dredge Pipeline is specifically designed for rough sea conditions, with buoyancy modules that maintain stability in waves up to 3.5m and currents up to 2.8m/s. The pipeline's flexible structure adapts to wave movement, preventing twisting or damage, and its corrosion-resistant outer layer withstands saltwater and harsh marine environments.
What is the service life of the floating Dredge Pipeline in offshore conditions?
In standard offshore dredging conditions (sand transport, saltwater, moderate waves), the floating Dredge Pipeline typically delivers 4-6 years of service life with proper maintenance. In high-abrasion mining applications, the service life is 2-4 years, and we provide detailed maintenance guidelines to maximize the pipeline's lifespan.
Do you offer custom flange coatings for corrosion resistance?
Yes, we offer a range of custom flange coatings, including epoxy coating, hot-dip galvanizing, and stainless steel plating, to enhance corrosion resistance in offshore and industrial environments. We can also customize flange standards (ANSI, DIN, JIS, GB) and drilling patterns to ensure compatibility with existing pipeline systems.
How do you ensure the buoyancy modules stay attached to the Dredge Pipeline?
Our buoyancy modules are bonded to the Dredge Pipeline using a proprietary high-strength adhesive and vulcanization process, creating a permanent, water-tight bond that prevents separation. The modules are also secured with stainless steel straps for additional stability, ensuring they remain attached even in rough sea conditions and during pipeline deployment/retrieval.
Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging
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Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging

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Brand Name :
Hongruntong Marine
Model Number :
HM-DP59
Certification :
ISO, ABS, DNV, RMRS, CCS, LR, BV, SGS, V-Trust
Place of Origin :
China
MOQ :
1
Price :
USD80 to USD889 Per Piece
Contact Supplier
Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging
Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging
Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging
Multi Layered Structure Dredge Pipeline Floating Dredge Hose For Marine Dredging

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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