For QRC 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.
| Reference | K | d | DN | b | d2 | d6 | D | K | M | n | g |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SWODTD110DN100 | 180 | 110 | 100 | 20 | 18,6 | 135 | 221 | 180 | M16 | 8 | 1330 |
| SWODTD160DN150 | 240 | 160 | 150 | 25 | 22,6 | 191 | 284 | 240 | M20 | 8 | 2590 |
| SWODTD225DN200 | 295 | 225 | 200 | 27 | 22,6 | 250 | 340 | 295 | M20 | 8 | 3947 |
*maximum recommended tightening torque
n = number of bolts