Failed Hose Assemby
 |  Failed hose assembly EN 982, (Safety of Machinery – Safety Requirements For Fluid Power Systems And Their Components – Hydraulics) stipulates that, ‘Flexible hose assemblies shall fulfil all performance requirements specified in the appropriate European and/or international standard(s)’. Mixing and Matching unvalidated hose/insert/ferrule combinations gives no guarantee that the hose assembly will meet all the performance requirements of the application for which it is intended. Supplying hose assemblies that have not been correctly validated can leave you liable for any loss or damage to machinery and/or life. Examples of such failures include swaged ends blowing off and hoses bursting at the coupling as can be seen in the pictures below.
How often have you heard of or experienced hose assembly failures due to the practice of mixing and matching of different manufacturers hoses and incompatible fittings? The resulting potential injury or worse to personnel, damage to equipment, downtime, replacement and, of course, damage to the environment can be extremely costly. So who would accept responsibility? The hose manufacturer? Not a chance – the hose complies with the specification ! The hose fitting manufacturer? Don’t think so – the fittings are made to the relevant specification ! The hose assembler? If the assembler mixes and matches hose and incompatible fittings in defiance of CEN rules he is not likely to be helpful in resolving disputes………….. SoWho pays for injury to personnel? Who pays for damage to equipment? Who pays for cleaning up? Who pays for replacement? Who pays for downtime? Who pays for the environment?
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