UNI EN 856 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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RUBBER HOSES AND HOSE ASSEMBLIES - RUBBER-COVERED SPIRAL WIRE REINFORCED HYDRAULIC TYPE - SPECIFICATION
07-10-2022
01-01-1998
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.
| DevelopmentNote |
REPLACES UNI 6451
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NBN EN 856 : 2015 | Identical |
| NF EN 856 : 2015 | Identical |
| NEN EN 856 : 2015 | Identical |
| NS EN 856 : 1996 | Identical |
| I.S. EN 856:2015 | Identical |
| ONORM EN 856 : 2016 | Identical |
| SN EN 856:2015 | Identical |
| UNE-EN 856:2015 | Identical |
| EN 856:2015 | Identical |
| DIN EN 856:2016-09 | Identical |
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