Products
Laboratory Glassware
Stopcocks, valve and keys - burette stopcock complete with PTFE 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 |
|---|---|---|---|---|---|
| 632 441 355 361 | 12.5 | 8/1.5 + 7/2.5 | 0,35 - 0,40 | 10 (0,05; 0,1) | 2981 |
| 632 441 355 364 | 12.5 | 8/1.5 + 7/2.5 | 0,32 - 0,37 | 10 (0,02) | 2981/a |
| 632 441 355 365 | 12.5 | 8/1.5 + 7/2.5 | 0,52 - 0,57 | 25 (0,05) | 2982 |
| 632 441 355 362 | 12.5 | 8/1.5 + 7/2.5 | 0,55 - 0,60 | 25 (0,1) | 2982/a |
| 632 441 355 363 | 12.5 | 8/1.5 + 7/2.5 | 0,75 - 0,80 | 50 (0,1) | 2983 |
| 632 441 355 366 | 12.5 | 8/1.5 + 7/2.5 | 1,10 - 1,20 | 100 (0,2) | 2984 |
| Packing (pcs): |
1 |
Notice:
Borosilicate glass
