Quartz Screwthreads and Stopcocks
Quartz Screwthreads
Robson quartz screwthread Joints provide a system of coupling with unbeatable versatility. Available in both GL and SQ sizes, they are interchangeable and fit universally available caps and PTFE washers.
| GL Threas Size |
GL Ref No. |
SQ Threas Size |
SQ Ref No. |
|---|---|---|---|
| 14 | RQGL/14 | 13 | RQSQ/13 |
| 18 | RQGL/18 | 18 | RQSQ/18 |
| 25 | RQGL/25 | 24 | RQSQ/24 |
| 32 | RQGL/32 | 28 | RQSQ/28 |
| 45 | RQGL/45 | ||
Quartz ‘Youngs Type’ High Vacuum Stopcocks (right angle)
Manufactured with the kind permission of J. Young (Scientific Glassware) Ltd, the innovatively designed greaseless ‘O’-ring tap is now available in quartz glass.
| Bore Size mm |
Ref No. |
|---|---|
| 4 | RQPTT/- 4RA |
| 5 | RQPTT/- 5RA |
| 6 | RQPTT/- 6RA |
| 8 | RQPTT/- 8RA |
| 10 | RQPTT/-10RA |