The entire range of high pressure flexible and rigid connection leads distributed by Tesuco®are manufactured to BS EN ISO 14113:2008 (Rubber and plastic hose assemblies for compressed or liquefied gases up to a maximum design pressure of 450 bar), under a strict BS EN ISO 9001 quality and design management system. All high pressure connection leads for the use of connecting to cylinders or packs are fitted with inlet connections as stipulated in AS2473.