Dredger (1200 m3/h) of the Dragflow DRH series, Saint Petersburg

DRAGFLOW DRH series dredger with HY300B slurry pump (1200 m3/h) and two EXHY35 rippers, with hydraulic drive.

This dredger is multifunctional due to its design features and can be used for a wide range of hydraulic engineering tasks, from sand extraction, sand and gravel mixture, dredging, mining and environmental dredging.

The dredger is equipped with a hydraulically driven DRAGFLOWHY300B slurry soil pump with an agitator, with two EXHY35 rippers, a hydraulic loosening system and has a capacity of 1200 m3/h for a mixture or up to 360 m3/h for solid components (sand, soil).

Technical characteristics of the pump:
Head – 26.0 m
Power – 190 kW (260 hp)
Rotation speed – 750 rpm
The diameter of the pressure pipe is 300 mm.
The drive is hydraulic
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Dredgers of the DRAGFLOW DRH series are distinguished by:
— Easy and fast assembly: dredgers are specially designed and manufactured to ensure quick assembly, both on land and on water, as well as in harsh environments. The assembly work takes up to 6-8 hours. It can be mounted in any environment and has limited mobilization costs.;
— Easy transportation: The modular housing allows for easy transportation on trucks or in containers.;
— Easy operation: DRAGFLOW dredgers are designed so that they can be operated by an operator with minimal experience working with marine equipment. Only one operator controls and monitors the operation of the entire dredger from an ergonomic operator's cabin.

Main Features:
— DRH series portable DRAGFLOW dredgers with modular design — easy to use;
— High durability and easy maintenance;
— Large working depth at no additional cost. The DRH series dredger combines a working depth of up to 250 m with small overall dimensions.
— High efficiency — higher solids content with 30% lower fuel consumption compared to similar dredgers with milling ripper.
— Equipped with a dredging and bathymetry monitoring system, including a GPS system, a system for measuring pulp density and flow velocity, sonar, video surveillance cameras, navigation lights;
— There is a great opportunity to set up and integrate DRAGFLOW dredging pumping equipment into an existing dredger.

The main functions of the DRH dredger are mining, dredging, sand and agglomeration, industrial applications for pumping viscous water-based media, and it is the best solution for developing soil at great depths.

⚙ SUPPLY OF COMPONENTS FOR DREDGERS AND SPARE PARTS FOR DRAGFLOW SLURRY PUMPS
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