The ES Series of dewars have been specifically designed for the storage and transport of liquid nitrogen in laboratory and industrial applications. Vessel performance, coupled to a rugged internal design, results in a dewar for maximum durability, long life and minimum maintenance.

Features :-
| Technical Data | ES-25KF | ES-35KF | ES-50KF | ES-60KF |
| Capacity (litres) | 25 | 35 | 50 | 60 |
| Neck Size | NW50KF | NW50KF | NW50KF | NW50KF |
| Vessel Dia | 406 | 406 | 406 | 460 |
| Vessel Height | 610 | 745 | 950 | 725 |
| Weight Empty (kg) | 13 | 17 | 25 | 30 |
| Weight Full (kg) | 33 | 45 | 65 | 78 |
| Evaporation Rate (Ltr/Day) | 0.7 | 0.9 | 1.1 | 1.0 |
| Tilting Trunnions | Yes | Yes | Yes | No |
| Accessories | ||||
| Pouring Trolley | Yes | No | No | No |
| Tipping Stand | Yes | Yes | Yes | No |
| Base Ring Trolley | Yes | Yes | Yes | Yes |
| Dispensing Head | Yes | Yes | Yes | Yes |