CSN EN ISO 5771

CSN EN ISO 5771 This document specifies the minimum requirements for rubber hoses used for transferring ammonia, in liquid or in gaseous form, at ambient temperatures from -40 °C up to and including +55 °C at a working pressure of 2,5 MPa (25 bar). It does not include specifications for end fittings and is limited to the performance of the hoses and hose assemblies.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.