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  • Which Winch – Hydraulic or Electric?

    Both electric and hydraulic winches are powerful winch equipment extensively found in construction, mining and marine. Each of them has its particular advantages and disadvantages. When selecting between these two types of winches, consider the differences, which can be very h...
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  • Types Of Pumps And Their Working Principles

    Generally Pumps classification done on the basis of its mechanical configuration and their working principle. Classification of pumps mainly divided into two major categories: .) 1.) Dynamic pumps / Kinetic pumps Dynamic pumps impart velocity and pressure to the fluid as it m...
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  • Make choices between electric winches and hydraulic winches

    Make choices between electric winches and hydraulic winches

    When choosing the most suitable marine hydraulic or electric winch, there are several factors to consider, especially the size of the ship, displacement, energy efficiency and other factors. The most commonly used winches are electric or hydraulic winches. Energy efficiency is...
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  • Which should I choose–self floating or pipe with floaters?

    Which should I choose–self floating or pipe with floaters?

    Advanced technologies have been filed on the dredging pipeline system-Self floating pipeline has been widely used. May customer  have the question of how to make the decision,  so we make an analysis.      1. Materials The material of our normal piprline is HDPE pipe(High Den...
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  • Dredger Gearbox-For pump Gear Units from 500 – 15.000 kW

    Dredger Gearbox-For pump Gear Units from 500 – 15.000 kW

    Relong 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 m...
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  • Beyond the Maximum Discharge Distance-Relong Booster Pump Stations

    Beyond the Maximum Discharge Distance-Relong Booster Pump Stations

    A booster station is used as an additional sand pump in a long discharge pipeline. Each dredged mixture – whether a slurry of silt, sand or gravel – has its own critical velocity. The additional sand pump station in a discharge line ensures that the mixture flow will keep movi...
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  • Relong Dredge equipment- Cutter head(18”)

    Relong Dredge equipment- Cutter head(18”)

      Relong has been developing cutter heads for decades based on its practical experience with numerous types of soils and dredging vessels.The company’s modern cutter technology is driven by its fundamental knowledge of excavation, slurry creation and wear resistance, aide...
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  • Dredging pipeline&floats

    Dredging pipeline&floats

      Relong Floats are designed to be applied on HDPE or steel pipe. The dredging floats are composed of two halves made in UV-stabilized linear virgin rotomoulded polyethylene.   The Polyethylene used in the manufacturing process is completely recyclable (Eco-Friendly), it’...
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  • Bring you to the professional dredger manufacturer–Relong

    Bring you to the professional dredger manufacturer–Relong

    Relong provides one-stop customized services according to the different dredging site conditions of each customer. Professional design, international welder’s welding work, professional on-site service, and after-sales service are the basis for the high quality and high ...
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  • Complete range of pumps

    Complete range of pumps

    Complete range of pumps Relong Technology Co., Ltd maintains a high standard for our sand and gravel pumps. We have broad experience using them on the site on an everyday basis. Medium-pressure and low-pressure pumps, small and...
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  • Relong CSD SUHAIJIAN 17 ready for Haihe River

    Relong CSD SUHAIJIAN 17 ready for Haihe River

    Relong CSD SUHAIJIAN 17 ready for Haihe River Built for the Chinese government contractor Jiangsu Haijian, the cutter suction dredger (CSD) SUHAIJIAN 17 of the Relong CSD550 series is about to begin its dredging work on the Hai...
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  • Relong delivers electric CSD to Europe

    Relong delivers electric CSD to Europe

    Relong delivers electric CSD to Europe Relong Technology has successfully delivery one set full electric 14/12” cutter suction dredger (CSD300E) to a contractor from the European Union. According to Relong, the CSD already star...
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