CH Series Helium Dewars — Standard
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The CH Series of liquid helium dewars have been designed to meet the exacting requirements of ultra-low temperature applications in research and industry. Wessington also offer a bespoke design service throughout the CH range ensuring our customers have the option of a dewar that exactly meets their requirements.
Features :-
- Dual relief manifold for enhanced safety
- All stainless steel construction
- Mounted on high quality stainless steel castors, 2 with brake arrangement
- Removable top manifold to facilitate the safe use of customer inserts
- TPED Approved for the transportation by road throughout Europe
- Non European approvals also available on request
- Wide choice of neck configurations and siphon entry ports
- Wide neck versions suitable for immersion applications
- Valve protection ring handle
- Fork lift pockets on CH-250, CH-500 & CH-1000
| Technical Data | CH-30 | CH-60 | CH-120 | CH-250 | CH-500 | CH-1000 |
| Capacity (ltr) | 30 | 60 | 120 | 250 | 500 | 1000 |
| Dia (mm) | 540 | 640 | 640 | 850 | 1050 | 1400 |
| Height (mm) | 1175 | 1250 | 1560 | 1625 | 1887 | 2012 |
| Neck Size | NW50KF | NW50KF | NW50KF | NW50KF | NW50KF | NW50KF |
| Weight Empty (kg) | 56 | 74 | 99 | 220 | 300 | 570 |
| Weight Full (kg) | 60 | 81 | 114 | 251 | 362 | 611 |
| Max Pressure (psi) | 7 | 7 | 7 | 7 | 7 | 7 |
| Static Evaporation Rate (% per day) | 2.8 | 1.7 | 1.2 | 0.8 | 0.6 | 0.5 |
Factory Fit Options
- Alternative neck sizes
- Tail extensions
- Choice of top entry ball valve or siphon gland
- Second entry gland for level probe
- Bespoke design service
- Air transporable versions available
- Larger neck and liquefier designs available
