ISO 4641:2016 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: âˆ’25 Â°C to +70 Â°C;
- water temperatures during operation: 0 Â°C to +70 Â°C.