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STW Series Vacuum Pumping Stations
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Among the features of the STW Series are fast pumping
times, compact design and ease of maintenance. It is a rugged, dependable system with
portability that allows flexibility for offsite and remote use.
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| Specs. |
STW-160 |
STW-310 |
STW-520 |
| Volume Flow Rate |
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| N2 |
160 |
310 |
520 |
| He |
150 |
330 |
540 |
| H2 |
140 |
320 |
490 |
| Max. Compression Ratio |
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| N2 |
2.0 x 107 |
1.0 x 103 |
1.0 x 108 |
| He |
8.0 x 104 |
1.0 x 103 |
1.0 x 105 |
| H2 |
3.0 x 103 |
7.8 x 103 |
7.0 x 103 |
| Rotor Speed (RPM) |
48K |
30K |
24K |
| Start-up Time (Min.) |
5 |
10 |
10 |
| Base Vacuum Pressure (Torr) |
5.0 x 10-7 |
1.0 x 10-8 |
1.0 x 10-8 |
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Accessories
Model MTW-15 Manifold Valve
Kit
- This field installable kit includes a 1-1/2" bellows
manual valve, 6" flexible bellows, and a 0.5" diameter quick vacuum adapter.
Model CTW-6 Cold Trap
- This 6" cold trap has LN2 pour fill that reduces base
pressure to 10-9 Torr for the STW-310 and STW-520
Model CTW-4 Cold Trap
- This 4" cold trap has LN2 pour fill that reduces base
pressure to 10-8 Torr for the STW-160
Model RGA-10 Residual Gas Analyzer
- This gas analyzer and leak detection device has a quadra-pole
mass analyzer head and three main menu modes: vacuum scan, bar chart and leak check
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