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ODB
FLANGES - ISO-DIN SERIES.
Steel core backing ring, PP/FRP coated, according to EN/ISO/DIN for stub QRNF (Drilling: PN 10/16), for stubs QRV, QPV (Drilling: PN 10/16 up to DN 150; PN 10 from DN 200), for stubs QRC (Drilled PN 10/16 up to DN 150) and for stub QRNM (Drilling: PN 10/16).