Desiccator system made of borosilicate glass 3.3 with special cover with threaded joints (for fitting tubes, electrodes, leads and similar), standard screw top caps, complete with lower section and porcelain insert. Choice of aeration valves:
Version 1: Aeration valve and throughfeed cock with clock manometer
Version 2: Aeration valve with clock manometer
Complete systems
| Inner
nominal width
mm | Cap
socket NS
(middle) | Cap
thread
GL 25 | Cap
thread
GL 32 | Aeration
valve
version | Order No. | | (1) | 200 | 24 | 3× | 1× | 1 | 12 40 11200 | | 250 | 24 | 3× | 1× | 1 | 12 40 11250 | | 300 | 24 | 3× | 1× | 1 | 12 40 11300 | | (2) | 200 | 24 | 4× | | 2 | 12 40 12200 | | 250 | 24 | 4× | | 2 | 12 40 12250 | | 300 | 24 | 4× | | 2 | 12 40 12300 |
Single components:
Lids
| Inner
nominal width
mm | Socket NS
(middle) | Thread
GL 25 | Thread
GL 32 | Order No. | | 200 | 24 | 3× | 1× | 12 40 21200 | | 250 | 24 | 3× | 1× | 12 40 21250 | | 300 | 24 | 3× | 1× | 12 40 21300 | | 200 | 24 | 4× | | 12 40 22200 | | 250 | 24 | 4× | | 12 40 22250 | | 300 | 24 | 4× | | 12 40 22300 |
Tops
| Article | Order No. | | (3) | Aeration valve for desiccators (version 1) | 10 70 00247 | | with vacuum gauge, standard ground cone NS 24/29 and straight-way-cock, for aerating with GL14 safety coupling for hose connections. | | | (4) | Aeration valve for desiccators (version 2) | 12 40 00100 | | with vacuum meter, aeration valve, standard ground cone NS 24/29 and GL14 safety coupling for vacuum hose. | |
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