Документы

European Committee for Standardization

Rubber Hoses and Hose Assemblies - Rubber-Covered Spiral Wire Reinforced Hydraulic Type - Specification
 N EN 856

Annotation

This European Standard specifies requirements for four types of rubber-covered spiral wire reinforced hydraulic hoses and hose assemblies of nominal bore from 6 to 51: Types 4SP, 4SH, R12 and R13. They are all suitable for use with:

— hydraulic fluids in accordance with ISO 6743-4 with the exception of HFD R, HFD S and HFD T at temperatures ranging from 40 °C to +100 °C for types 4SP and 4SH and 40 °C to +120 °C for types R12 and R13;

— water based fluids at temperatures ranging from 40 °C to 70 °C;

— water fluids at temperatures ranging from 0 °C to 70 °C.

This European Standard does not include requirements for end fittings. It is limited to the performance of hoses and hose assemblies.

NOTE 1 The hoses are not suitable for use with castor oil based nor ester based fluids.

NOTE 2 Hoses and hose assemblies are not be operated outside the limits of this standard.

NOTE 3 Requirements for hydraulic hoses for underground mining are standardised in a separate standard.

Автоматический перевод:

Резиновые шланги и шланговые соединения - спиральный проводной укрепленный гидравлический тип с резиновой изоляцией - спецификация