UNI EN 856 : 1998

Foreword
1 Scope
2 Normative references
3 Types of hose
4 Materials and construction
    4.1 Hoses
    4.2 Hose assemblies
5 Dimensions
    5.1 Diameters and concentricity
    5.2 Length
6 Requirements
    6.1 Hydrostatic requirements
    6.2 Minimum bend radius
    6.3 Impulse test requirements
    6.4 Leakage of hose assemblies
    6.5 Cold flexibility
    6.6 Adhesion between components
    6.7 Abrasion resistance
    6.8 Fluid resistance
    6.9 Ozone resistance
7 Designation
8 Marking
    8.1 Hoses
    8.2 Hose assemblies

Defines 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.