A large liquid nitrogen dewar, typically defined as any vessel from 35 litres upwards, becomes necessary when storage volumes outgrow smaller units, when access frequency demands a larger working inventory, or when the static hold time of smaller vessels requires too-frequent refilling to be operationally practical. The 50-litre format is one of the most popular large-capacity options in UK IVF clinics, veterinary AI centres, and university research departments.
In an IVF clinic, a 50-litre liquid nitrogen dewar is typically suited to mid-to-large programmes where patient specimen volumes are too great for one or two 20-litre vessels. It can accommodate five to ten canisters depending on the model, allowing a well-organised inventory of embryos, oocytes, and sperm across a significant number of patients. Our CryoCan 47-10 and CryoCrest 50L are popular choices in this size range, and the CryoNest XL offers clinical-grade vapour-phase storage capability.
For veterinary practices involved in bovine or equine breeding programmes, a 50-litre dewar provides ample working storage for semen straws held for active AI use. In university and hospital research environments, a 50-litre vessel commonly serves as the primary working store for cell lines and biological reference materials.
View our full range of large liquid nitrogen dewars including the CryoNest XL, CryoNest XXL, and CryoNest XXXL and speak to our specialist team about the right configuration for your facility.
