Hose with UNI 804 table fitting, length 20 m, burst pressure 50 bar. The fire hose is made of a circular high tenacity polyester fabric with an elastomeric waterproofing underlayer without overlapping to minimize pressure losses, with high resistance to ozone and ageing. â¢Binding in accordance with UNI 7422 with binding cover sleeves â¢The 45 mm diameter complies with EN 14540 â¢The 45 mm and 70 mm diameters are UNI 9487 certified