China High Quality Ductile Iron Dismantling Joint, Find details about China Ductile Iron Flange Adaptor, Pipe Coupling from High Quality Ductile Iron Dismantling Joint
materials | ductile iron GGG50 or ASTM A536 65-45-12 |
bolts&nuts | carbon steel with hot dip galvanized, electric galvanized or dacroment suface. |
gasket | EPDM |
standard | ISO2531, EN545 |
size | DN50 to DN2200 |
surface | epoxy coating with RAL5015 or RAL5017 |
flange drilled | PN10/PN16/PN25 according to BS4504 |
hardness | maximum≤250HB |
proof stress | minimum≥300MPa |
tensile strength | minimum≥420MPa |
elongation | minimum≥12 |