Large Diameter Pipe Dismantling Expansion Joint Flexible Pipe Coupling

Ductile iron pipe fitting Dismantling Joint,Dismantling Joint,Expansion joint,Ductile iron pipe fittingmaterialsductile iron GGG50 or ASTM A536 65-45-12bolts&nutscarbon steel with hot dip galvanized, electric galvanized or dacroment suface.gasketEPDMstandardISO2531, EN545sizeDN50 to DN2200surfaceepoxy coating with RAL5015 or RAL5017flange drilledPN10/PN16/PN25 according to BS4504hardnessmaximum≤250HBproof stressminimum≥300MPatensile strengthminimum≥420MPaelongationminimum≥12