RisukHeavy duty mandrel built suction and delivery hose. Especially developed for suction of abrasive products of large particle size. The structure of the hose provides excellent resistance to cutting and mechanical stresses in correspondence of mechanical arms of the suction excavators. Black, smooth conductive rubber inner layer, high tensile textile plies, steel spiral and a/s copper wires. Black, conductive, corrugated rubber, weather and abrasion resistant outer layer. Fabric impression. Working temperature: -30°C +70°C.