This International Standard specifies the minimum requirements for rubber hoses used for transferringammonia, in liquid or in gaseous form, at ambient temperatures from -40 °C up to and including +55 °C. Itdoes not include specifications for end fittings, but is limited to the performance of the hoses and hoseassemblies.
DS/EN ISO 5771:2008 history
2008DS/EN ISO 5771:2008 Rubber hoses and hose assemblies for transferring anhydrous ammonia - Specification