This standard BS EN 14420-4:2022 Hose fittings with clamp units is classified in these ICS categories:
23.040.70 Hoses and hose assemblies
This document specifies requirements for hose tails according to EN 14420-2, with flanges of mating dimensions PN 10/PN 16/PN 25/PN 40 (according to nominal size and pressure stage) according to EN 1092-1, on hose fittings with clamp units according to EN 14420-3. Maximum working pressure is 25 bar; maximum working temperature is 65 °C. Additionally, flanges are also usable according to EN 14422.