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  • High Efficient Cutter Head for Cutter Suction Dredge

    High Efficient Cutter Head for Cutter Suction Dredge

    We have been developing cutter heads and dredging wheels for decades based on practical experience with numerous types of soils and dredging vessels from all around the world. Our cutter technology is driven by our fundamental knowledge of excavation, slurry creation and wear resistance. The combination of these factors is the unique basis for offering the best cutter heads and dredging wheels in the world:

  • Robust and Reliable Drag Head for Dredger

    Robust and Reliable Drag Head for Dredger

    As the first point of contact with the soil a drag head is of vital importance to the entire dredging process. Our many years of experience enable us to create the optimal drag head solutions, which are capable of extracting the maximum amount of soil from the bottom within the shortest amount of time and at a minimal cost.

  • Wear-resistent Cutter teeth for Cutter Head

    Wear-resistent Cutter teeth for Cutter Head

    RELONG is constantly improving and expanding the latest tooth systems. It provides a wide range of tooth systems for any application in dredging. Whether it is for a cutter head, cutting wheel, drag head or for sand, clay or rock, we have the solution for any size dredger. All tooth systems are specially designed for dredging.

  • Wheel head with Cutting Edges and Replaceable Teeth

    Wheel head with Cutting Edges and Replaceable Teeth

    RELONG wheel head is a highly efficient tool for dredging a wide range of materials. Excellent cutting properties, a constant dredging output in both directions of swing, and the almost complete absence of blockage ensure high production. Optimum mixture density, low spillage and low sensitivity to debris such as rocks and tree stumps significantly contribute to efficiency. The dredging wheel may be seen as the most thoroughly tested and developed tool of its type, and the best for meeting the growing demands of the dredging and alluvial mining industries.

  • Marine winch with Hydraulic or electric control systems

    Marine winch with Hydraulic or electric control systems

    RELONG dredge winches provide the power and control needed for dependable handling of heavy loads. From positioning barges to pulling rail cars, positioning load-out chutes to hoisting equipment, our winches are working in all areas of marine and bulk handling. These winches can also be designed to raise and lower walkways on ships and off-shore oil rigs.

  • RLSJ Hydraulic winch for Marine Industry

    RLSJ Hydraulic winch for Marine Industry

    RELONG provides one-stop customized service according to each client’s different dredging site condictions. Professional design, international welders welding work, professional field service and after-sale service are the foundation of RELONG brand equipment high quality and high reputation. We use the latest technologies in design, simulation and manufacturing to constantly develop our standard dredging equipment. In this way, we make sure that it is as efficient, cost-effective and environmentally friendly as possible.

    Dredge winches provide the power and control needed for dependable handling of heavy loads. From positioning barges to pulling rail cars, positioning load-out chutes to hoisting equipment, our winches are working in all areas of marine and bulk handling. These winches can also be designed to raise and lower walkways on ships and off-shore oil rigs.

  • RLSLJ Hydraulic Winch With Built In Clutch for Marine Industry

    RLSLJ Hydraulic Winch With Built In Clutch for Marine Industry

    RLSLJ Hydraulic Winch With Built In Clutch

    RLSLJ hydraulic winch is composed of oil distributor, XHS/XHM hydraulic motor, Z brake, C reducer, reel and stand, the oil distributor include one-way balance valve, brake and high pressure shuttle valve. RLSLJ winch has its own valve group, so that it makes hydraulic system more simple and increases stability of the transmission device. The hydraulic valve group of RLSLJ winch solve the problem of empty hook vibrating and fall again during hoisting. So RLSLJ winch can lift and put down stably. When starting and working, XHSLJ winch is high efficiency. Low energy consumption, low noise and beautiful form. Application RLSLJ hydraulic winch can be used on following application: Traction equipment of gravity crushing, Pedrail crane, Automobile crane, Pipe hoist machine, Grab bucket, Drilling machine with crushing function.

  • RLTJ Shell Rotating Winch for Marine Industry

    RLTJ Shell Rotating Winch for Marine Industry

    RLTJ Shell Rotating Winch

    RLTJ Shell Rotating Winch- the hydraulic winch is driven by a series of RLT hydraulic transmission devices. The RLT series hydraulic transmission is characterized by high efficiency and reliable operation, and its output is a rotating shell.

    The winch is suitable for railway crane, ship deck machinery, wharf and container crane, which can be directly installed in the reel in order to save space because of its compact structure, in addition , the design is also easy to install.

  • Floding knuckle boom cranes are suitable for a wide range of equipments

    Floding knuckle boom cranes are suitable for a wide range of equipments

    RELONG Folding Knuckle Boom Cranes are designed to reduce the so-called “pendulum effect” of the load. Cranes are suitable for a wide range of on-board and off board activities including buoy handling and the hoisting of structures and equipment.
    The design of these particular cranes allow the operator to fold the crane into a triangle when parked, in order to significantly reduce the overall dimensions. Our fully foldable boom cranes are designed to comply with the main certification bodies. We also offer a significant amount of customization of both design and accessories, to meet customer’s needs.

  • Knuckle boom cranes that can rotate continually 360 degrees

    Knuckle boom cranes that can rotate continually 360 degrees

    RELONG Knuckle telescopic series of cranes offer a diverse product line for application in the Luxury Yacht, Oceanographic, Work-boat, Oilfield, Coast Guard or Military industries. These cranes can also be further customized for use in these most demanding of work environments.
    All of the cranes in the Telescopic Boom line offer several key features that make them powerful solutions for the marine work environment. The most notable of these features include: Extended boom reach with the dexterity for accurate, safe, and efficient material handling.
    With the functionality of both a Telescopic Boom and Knuckle Boom crane, the Telescopic Knuckle Boom crane can do it all. The Knuckle Boom design gives access to tight spaces and saves deck space, and the Telescopic Boom provides additional reach, giving you unparalleled versatility. Reach your load more easily, a great solution for a wide range of applications.

  • Gearbox Designed for High Loads for Dredging

    Gearbox Designed for High Loads for Dredging

    Dredger gearboxes are designed with respect to harsh conditions and long life. Our dredger gearboxes are operated on small or mid-size dredgers suitable for maintenance dredging or large-size dredging vessels best fitted for land reclamation and larger sand and gravel maintenance works as well as other types of vessels such as cutter suction dredgers.
    Our pump generator gear units are produced according to the customers’ specifications and offer tailor-made transmission ratios and multi-stage concepts. Our product portfolio includes gear units for jet pumps, dredge pumps, generators, cutters and winches. The gear units are designed to the customer‘s specifications and RELONG‘s in-house safety standards.

  • Good Flexibility Floater for Dredging

    Good Flexibility Floater for Dredging

    Definition

    We are manufacturer of Dredge Floaters made of middle density polyethylene with excellent toughness through an advanced production process. Each product is produced without welding seams and is totally enclosed, which has the feature of anti-corosion, anti-aging, resistance to impact and shock, no leakage. The inner part is filled with high-strength polyurethane. It has reasonable structure and excellent performance.

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