SK-type Dewar vessels are designed for storage and periodic transportation of liquid nitrogen, argon, oxygen or air.
Vessels such as SDS are designed for long term storage in the steady-state conditions of sperm of farm animals and its periodic transportation in liquid nitrogen.
SK and SDS types of vessels are double-walled, the inner vessel is hanged from the neck in a housing with a vacuum-multilayer insulation.
Performance indicators of SK and SDS flasks retained for 6 years without further vacuuming. In the case of each vessel is put distinguishing marks, depending on the filling product. The neck of the vessel closed by a special cover.
Specifications of Dewars type SK:
|SK 16||SK 25||SK 40|
|Nitrogen losses from evaporation, g / h||13,2||16,7||22,7|
| Overall dimensions, mm
The diameter of the neck
|The mass of the empty vessel, kg||8,5||11,5||14,5|
| Mass of the filled vessel, kg