Fire Hydrant, Voles Standards:ISO2531,EN545,EN598,BS4772Material: Ductile ... stress >300mpaDuctile iron pipe fittings type:Flange Series: double flanged 11.25 22.5 45 90 bend, ... all flanged Y pipes, all flanged radial tees, double flanged pipe, flanged spigot.All above fittings Specification ... are from DN50 to DN2000 EXCEPT double flange pipe. Double flange pipe: length up to 2000MM, ...