Products
Laboratory Glassware
Stopcocks, valve and keys - burette stopcock complete with glass key, with tip, class AS
Ground glass stopcocks have a glass or PTFE plug with a hole or holes through it, allowing closure or opening with a half turn of the plug. Ground glass stopcocks require stopcock grease to lubricate and seal the plug and shell.
We offer sizes 12,5 mm, 14,5 mm and 18,8 mm. Glass or PTFE plugs. Many designs as straigt stopcocks, 2-way, 3-way, Y-bore and shapes with SJ or hose connections parts. For production we use Simax borosilicate glass tubes. We allways check glass quality, dimensions and optical clarity. All stopcocks are tested to be leaking free.
| Catalog number | – |
| ISO | – |
| DIN | – |
| Code |
SJ |
Type diameter tube+capillary (mm) |
Ø Tip (mm) |
Size of burette (ml) |
Drawing |
|---|---|---|---|---|---|
| 632 441 355 351 | 12.5 | 8/1.5 + 7/2.5 | 0,35 - 0,40 | 10 (0,05; 0,1) | 2977 |
| 632 441 355 354 | 12.5 | 8/1.5 + 7/2.5 | 0,32 - 0,37 | 10 (0,02) | 2977/a |
| 632 441 355 355 | 12.5 | 8/1.5 + 7/2.5 | 0,52 - 0,57 | 25 (0,05) | 2978 |
| 632 441 355 352 | 12.5 | 8/1.5 + 7/2.5 | 0,55 - 0,60 | 25 (0,1) | 2978/a |
| 632 441 355 353 | 12.5 | 8/1.5 + 7/2.5 | 0,75 - 0,80 | 50 (0,1) | 2979 |
| 632 441 355 356 | 12.5 | 8/1.5 + 7/2.5 | 1,10 - 1,20 | 100 (0,2) | 2980 |
| Packing (pcs): |
1 |
Notice:
Borosilicate glass
