Tube: Smooth NR/ synthetic rubber, generally color is black Reinforcement: spiral fabric, steel wire spiral layer, Cover: Oil, abration and weather-resistant wrapped synthetic rubber. Performance: 1. Rubber hose pipes are used with dredgers for silt/gravels conveyance. 2. Pipe wall thickness range: from 20mm up to 50mm. 3. The suitable working temperature: from -20�°C to +80�°C. 4. Abrasion-resistant and bending â??resistant. 5. It is convenient to install, flexible to use and safe. Dredge Slurry Suction Hose Applications: installed between the pump and cutter of the dredger, suction the slurry. suction hose &Aamored hose with HB steel ring in, suitable for limestone, granite, coral and mineral, etc.