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A jet suction dredger (JSD) is a highly efficient dredging vessel designed for extracting and transporting sediments, sand, silt, and other underwater materials. It combines high-pressure water jets and a powerful suction pump to loosen and vacuum up deposits, making it ideal for:
River & lake dredging
Port & harbor maintenance
Land reclamation projects
Mining & environmental cleanup
Key Features & Advantages
✔ High Efficiency – Uses water jets to break up compacted soil
before suction, enabling faster operations.
✔ Precision Dredging – Adjustable suction depth ensures accurate
sediment removal without excessive disturbance.
✔ Versatile Applications – Works in shallow and deep waters,
handling sand, mud, clay, and soft rock.
✔ Eco-Friendly – Minimizes turbidity (water cloudiness) compared to
traditional dredgers.
✔ Cost-Effective – Lower fuel consumption and operational costs
than cutter suction dredgers in suitable conditions.
Working principle:
Water Jet System – High-pressure jets loosen the seabed material.
Suction Pipe – A centrifugal pump creates strong vacuum suction.
Transportation – The slurry (water + sediment) is pumped through pipes to a disposal area or processing facility.
Optional Screening – Some models include onboard separation to filter debris.
Water Jet System – High-pressure jets loosen the seabed material.
Suction Pipe – A centrifugal pump creates strong vacuum suction.
Transportation – The slurry (water + sediment) is pumped through pipes to a disposal area or processing facility.
Optional Screening – Some models include onboard separation to filter debris.
Model | Total power | Output per hour | Water flow rate | Pumping depth | Lift head | Transport distance |
YSJSD100 | 20-60kw | 30-45m3/h | 200-300m3/h | 0-20m | 20-40m | 20-2000m |
YSJSD150 | 45-100kw | 50-90m3/h | 350-600m3/h | 0-25m | 20-65m | 20-2000m |
YSJSD200 | 75-200kw | 90-120m3/h | 600-800m3/h | 0-25m | 20-65m | 20-2000m |
YSJSD250 | 90-300kw | 140-195m3/h | 950-1300m3/h | 0-30m | 20-65m | 20-2000m |
YSJSD300 | 190-600kw | 225-330m3/h | 1500-2200m3/h | 0-30m | 20-65m | 20-2000m |
YSJSD350 | 290-800kw | 330-390m3/h | 2200-2600m3/h | 0-30m | 20-65m | 20-2000m |
YSJSD400 | 350-1000kw | 420-480m3/h | 2800-3200m3/h | 0-30m | 20-65m | 20-2000m |
YSJSD450 | 450-1200kw | 480-570m3/h | 3200-3800m3/h | 0-30m | 20-65m | 20-2000m |
YSJSD500 | 600-1500kw | 540-630m3/h | 3600-4200m3/h | 0-30m | 20-65m | 20-2000m |
The above technical parameters are for reference only,specific
device configuration depends on the conditions of each
project,customer and technical requirements.
Types of Jet Suction Dredgers
Stationary (Non-Self-Propelled) – Used in fixed locations like
ponds or small rivers.
Self-Propelled – Larger vessels with mobility for offshore or deep-water projects.
Modular Design – Can be mounted on barges or pontoons for flexible deployment.
Shandong yongsheng dredging machinery Co.,LTD.is located in
Huanglou Street, Qingzhou City, Shandong Province, China. It has 2
production bases , total area near 2000m2, and more than 20 years
manufacturing experience in water area environmental protective
equipment. It is a professional supplier of integrated with
R&D, consultation, manufacturing and after-sale service.
Yongsheng now has obtained certification: ISO9001.