HDPE Dredging Pipes

HDPE Dredging Pipe is known for its non-toxic, odorless, and excellent heat and cold resistance properties. Made from PE100 high-density polyethylene materials, these pipes are extensively used in dredging industries, dredger pipelines, and sand pumping pipelines.

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Advantages of HDPE Dredging Pipes

HDPE Dredging pipes are lauded for their high rigidity and toughness combined with exceptional mechanical strength. Their ultra-high abrasion resistance, which is 4-8 times that of steel pipes, ensures a useful life that can exceed five years. Capable of withstanding the impact of wind and waves at sea, these pipes possess high chemical stability, making them resistant to various corrosive media such as acidic, alkaline, and salty substances.

HDPE dredging pipes are manufacturable and weldable, featuring two HDPE flange adapters and steel flanges for easy joint assembly. These flanges are enclosed with floats to keep the pipes buoyant.

Typically produced in lengths of 12 meters, HDPE Dredging Pipes are available from OD110mm to OD1400mm with various wall thicknesses according to different SDR and designed pressure ratings. Custom-made steel backing rings are also available.

HDPE Dredging Pipe Specifications

At SINCO, we offer HDPE pipes from OD110mm to OD1400mm. Below are the specifications:

SDR

SDR26, SDR21, SDR17, SDR13.6, SDR11

PN

0.6MPa, 0.8MPa, 1.0MPa, 1.25MPa, 1.6MPa

OD (mm)

110, 125, 140, 160, 180, 200, 225, 250, 280, 315, 355, 400, 425, 450, 500, 560, 630, 710, 800, 850, 900, 950, 1000, 1200, 1400

Thickness varies depending on the pipe diameter and SDR rating.

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Key Advantages of HDPE Dredging Pipes

1. Easy assembly and transportation: HDPE pipes use flanges and bolts for connections, making installation, dismantling, and transportation convenient.

2. Superior flexibility: HDPE pipes do not break under internal and external force impacts due to their flexibility, tensile strength, and elasticity. The pipes can withstand stormy waves and can be bent into circles by 4-8 pieces in water.

3. Exceptional wear resistance: HDPE pipes' wear-resistance ability is 4-8 times greater than that of steel pipes, along with anti-UV and anti-aging properties, giving them a 5-year lifespan.

4. Secure connection: The pipes are welded with steel flanges at both ends, ensuring no deformation or dripping occurs when installing or disassembling.

5. High efficiency: With smooth outer and inner walls and a low friction coefficient, HDPE dredging pipe’s transmission efficiency is 20% to 30% higher than steel pipes.

6. Wide temperature range: The operational temperature range for HDPE dredging pipes is –40°C to 60°C.

7. Cost-effectiveness: HDPE dredging pipes are more cost-effective than other types for both land and water use.

Applications of HDPE Dredging Pipes

1. Transferring powder and coal ash in thermal power plants.

2. Delivering mine tailings and slurry in the mining industry, including metallurgical mines.

3. Delivering pulverized coal and coal-water slurry in coal preparation plants.

4. Transporting mud and corrosive media with slag in the chemical industry.

5. Crude oil and petroleum transportation.

6. Transferring sand, mud, and slurry for dredgers in dredging projects or sand suction projects, seawater treatment projects.

Shipment

HDPE dredging pipes are generally shipped by 40’HQ or 20’GP containers depending on pipe length. Sinco has logistics staff experienced in cargo packing and shipment, ensuring the most efficient shipping solutions to save costs.

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