Blank Flanges
Blank flange are used to seal the end of a pipe line or fitting. CRP blank flanges have a PTFE disc of raised face dimension bonded onto a steel blank flange or if the blank flange is used with antistatic piping it is supplied with a moulded antistatic PFA raised face.
The dimensions below are to suit ASME 150 flanges.
| To Suit Pipework NB | PTFE liner Thickness | Ø A | B | |
|---|---|---|---|---|
| Inches | mm | mm | mm | mm |
| 1/2" | 15 | 4 | 89 | 14 |
| 3/4" | 20 | 4 | 98 | 15 |
| 1" | 25 | 4 | 108 | 16 |
| 1.1/2" | 40 | 4 | 127 | 19 |
| 2" | 50 | 4 | 152 | 21 |
| 3" | 80 | 4 | 190 | 26 |
| 4" | 100 | 4 | 229 | 26 |
| 6" | 150 | 4 | 279 | 27 |
| 8" | 200 | 4 | 343 | 31 |
| 10" | 250 | 4 | 406 | 32 |
| 12" | 300 | 4 | 483 | 34 |
| 14" | 350 | 4 | 533 | 37 |
