LN2 dewars are the foundational storage vessels of any cryogenic operation, from a small veterinary practice storing a single bulls semen inventory to a major biobank preserving hundreds of thousands of biological samples collected over decades of research. Understanding the full range of LN2 dewar types available and the specific characteristics that make each type suited to different applications is the starting point for any rational cryogenic equipment procurement.
The most fundamental distinction between LN2 dewars is between narrow-neck and wide-neck designs. Narrow-neck dewars minimise heat ingress, achieving lower static evaporation rates and longer hold times. Cryolabs CryoCan 30-6 and CryoCan 47-6 exemplify this category. Wide-neck vessels such as the CryoCan 47-10 are more practical where canisters need to be retrieved frequently.
Vapour-phase dewars, including Cryolabs clinical-grade CryoNest XL, CryoNest XXL, and CryoNest XXXL, have become the standard of care in leading IVF programmes. The Dilvac Stainless Steel Dewar provides a robust stainless steel option across various capacities for research and industrial use. For liquid nitrogen dispensing applications, the CryoCrest 35L and CryoCrest 50L with integrated liquid dispensers offer controlled, safe LN2 transfer without manual pouring.
Browse our complete range of LN2 dewars, CryoNest series vessels, and CryoStork dry shippers across all types and sizes with UK technical support and full compliance documentation.
