... install, flexible to use, safe, abrasion - resistant and bending-resistant.PERFORMANCEThe steel flange discharge hoses are used with Dredgers for silt / gravels ... install, flexible to use, safe, abrasion - resistant and bending-resistant.Safe, abrasion-resistant and bending-resistant.Techinical parameter:IDWorking pressure(MPa)Burst ... .57.52-355-581000±52.0-2.57.53-575 suction discharge hose