for stub flange (butt-welding connection) With ductile iron core. n = number of bolts. bar = maximum operating pressure. „EN 1092 – PN10“ refers to the bolt hole pattern, not to the pressure class of the backing ring.
| Article | de/ | DN | bar | d1 | D | k | b | |
|---|---|---|---|---|---|---|---|---|
| 515252016 | 160 | /150 | PN16/PN10 bore | 16 | 178 | 296 | 240 | 28 |
| 515252020 | 200 | /200 | 16 | 235 | 350 | 295 | 32 | |
| 515252025 | 250 | /250 | 16 | 288 | 412 | 350 | 36 | |
| 515252031 | 315 | /300 | 16 | 338 | 462 | 400 | 42 |
