标准号:BS EN 856-1997
中文标准名称:橡胶软管和软管组件.橡胶包覆螺旋形金属丝增强的液压用类型.规范
英文标准名称:Rubber hoses and hose assemblies - Rubber-covered spiral wire reinforced hydraulic type - Specification
标准类型:G42
发布日期:1997/5/15 12:00:00
实施日期:1997/5/15 12:00:00
中国标准分类号:G42
国际标准分类号:23.100.40
适用范围: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. They are 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 ℃ to +100 ℃ for types 4SP and 4SH and -40 ℃ to +120 ℃ for types R12 and R13;
- water based fluids at temperatures ranging from -40 ℃ to +70 ℃.
- water fluids at temperatures ranging from 0 ℃ to +70 ℃.
The 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 should not be operated outside the limits of this standard.
NOTE 3. Requirements for hydraulic hoses for underground mining are standardized in separate standards.