... blank flange 2.DN80mm-DN600mm 3.pn10 pn16 4.ISO2531/EN545/EN598 ductile iron pipe fittingsStandards:ISO2531,EN545,EN598,BS4772Material: Ductile Iron ( ... tees, flanged bell mouth, all flangedcross, double flanged taper, flanged spogot, blank flange, double flanged 90 long radius bend, doubleflanged 90 ... 11.25 45 22.5,CLASS K12 BOLTED GLAND CONCENTRIC TAPERS,CLASS K12 FLANGED AND BOLTED GLAND SOCKET ...