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For QRNF stubs

Flanges - ISO-DIN series.

Steel core backing ring, PP/FRP coated, according to EN/ISO/DIN for stubs QRV and QPV. Drilling: PN 10/16 up to DN 150; PN 10 from DN 200.

Those backing rings are specifically used for socket welding, for other diameters please refer to the ODT range.

Go back Data sheet
Flanges FIP ODT-SW
Disegno tecnico della flangia OAB, ODB serie ISO-DIN
Flanges FIP ODT-SW
Disegno tecnico della flangia OAB, ODB serie ISO-DIN
Reference Other description system Category d DN b d2 d6 D K M n *(Nm) g
SWODTD110DN100 *maximum recommended tightening torque n = number of bolts Special parts and accessories Flanges 110 100 20 18,6 135 221 180 M16 8 35 1330

*maximum recommended tightening torque
n = number of bolts