This document specifies the minimum requirements for textile-reinforced, smooth-bore rubber water-suction and discharge hoses and hose assemblies.

Three types of hoses and hose assemblies are specified according to their operating duty requirements, i.e. their ambient and water temperature ranges:

—     ambient temperatures: −25 °C to +70 °C;

—     water temperatures during operation: 0 °C to +70 °C.