The most important standards are EN ISO 10380 and EN 14585 for corrugated metal hoses and hose assemblies, and EN 14917 for metal bellows expansion joints for pressure applications:
EN ISO 10380
Pipework - Corrugated metal hoses and hose assemblies (2012)
This international Standard specifies the minimum requirements for the design, manufacture, testing and installation of corrugated metal hoses and metal hose assemblies.
Corrugated metal hose assemblies for pressure applications (2006)
This harmonised European Standard specifies the requirements for material, design, manufacturing, testing and documentation for corrugated metal hose assemblies with a maximum allowable pressure PS greater than 0,5 bar.
Metal bellows expansion joints for pressure applications (2009+A1:2012)
This harmonised European Standard specifies the requirements for design, manufacture and installation of metal bellows expansion joints for pressure applications, i.e. maximum allowable pressure greater than 0,5 bar.
Requirements are given for calculation and design of single and multi-ply expansion bellows which may be unreinforced, reinforced or toroidal. They may be subject to internal or external pressure and axial, lateral or angular displacement. Suitable materials and their physical properties are listed.
In addition, information is given on the proper selection and installation of expansion joints in piping and pressure vessel application.
Please find a selection of additional relevant standards for metal hoses here and expansion joints here.
Standardisation Committee CEN/TC 342
AEQ initiated European standardisation in the early 1980´s already and has supported it ever since. Standardisation is organised in CEN/TC 342 which covers metal hoses, hose assemblies, bellows and expansion joints for general applications and for specific applications as required by the market, but avoiding an overlap with other relevant CEN/TCs.
The products covered by CEN/TC 342 are used for a wide range of applications, such as:
- pressure equipment
- gas & water distribution and appliances
- petrochemical industry
- automotive industry
- refrigerating industry
Stakeholders involved in the standardisation process are:
- authorities and non-governmental organisations
- testing organisations
- safer and more reliable products
- harmonized products and materials to be used within applications governed by European Regulations and Directives where the CE mark is needed
- avoiding the fragmentation of the market with products that are produced according to similar but not identical national standards
- more economic products
CEN/TC 342 has three working groups covering its specific areas of activity:
- WG 1: Hose assemblies and fittings
- WG 2: Expansion joints
- WG 3: Hose assemblies for gas applications