Dewar Flasks for insulation of liquids including liquid nitrogen.kgw-isotherm. Different shapes glass and stainless steel dewars.

Dewar Flasks

All glass equipment manufactured by KGW-Isotherm is made from boro-silicate glass in accordance with ISO/DIN specifications 3585.

cylindrical Dewar Flask Cylindrical Dewar Flasks For multiple applications with temperature sensitive fluids. Cylindrical dewars are available with and without handles and in blue coated or textured Aluminum finish. Sizes from 100ml to 8 liters.
For versions without handles Standard Dewar Flasks
For versions with handles Dewar Flasks with Handles



dewar flask refillCylindrical Dewar Flask Refills

Insulating Lids for Cylindrical Dewar Flasks provide insulation for the top opening. Loose fit in neck of dewar flask and will not contain a spill.


 


flat bottom dewar flaskFlat Bottomed Dewar Flasks Suitable for storage and cooling of small samples. Flat bottom design makes for easy use of magnetic stirrers. Flat bottom dewars have a durable, textured aluminum finish and can be delivered with transparent viewing strips if required. Sizes from150ml to 2.1 liters

 

 

 

 

dish shaped dewar flaskDish Shaped Dewar Flasks For tempering round bottomed flasks and cooling of small sample. Dish shaped dewars come in structured Aluminum finish. Glass refills are available. Sizes from 80 ml to 5.8 liters

 

 



spherical dewar flask Spherical Dewar Flasks Combine low evaporation rate with easy pouring. Spherical dewars have a loosely attached lid, optionally fully silvered or with viewing strips. Outer cover of brushed Aluminum. Sizes from 1 liter to 10 liters

Spherical Dewar Flask Refills boro silicate glass spherical dewar flask to use as refill or stand alone flask. Optional polyurethane safety coating

 

 

 

dewar carrying flaskDewar Carrying Flasks Storage and transport of temperature sensitive items. Dewar carrying flasks have insulating lids with clips; available in blue coated cover or stainless steel. Sizes from 1 liter to 4 liters.

 


 


flange top dewra flask Flange Top Dewar Flasks Cylindrical Dewar Flasks with glass flange tops The flasks are available from 200mL to 8 liters. they can be delivered partially silvered or un silvered

Dewar Flask with Schott Flange Top Cylindrical Dewar Flasks with Schott glass flange tops for clamping to apparatus and for attachment of special tops and lids to make gas tight joints. The flasks are available from 200mL to 8 liters. they can be delivered partially silvered or un silvered

 


large dewar flasks Large Insulating Dewar Flasks Large dewars for storage and transport of temperature sensitive items. Blue coated or structured Aluminum cover; available fully silvered or with viewing strips. Sizes from 4 liters to 40 liters.

Accessories for Large Insulating Dewar Flasks Refills, insulating disks, linen bags and roller base

 

 



screw top dewar flaskScrew Top Cylindrical Dewar Flasks are provided with a GL 32 or GL 45 glass screw thread for tightening caps. The dewar flasks are cylindrical and can be delivered with a protective blue coated aluminum container or as refills. The dewars are fully silvered and optionally can be delivered partially silvered with viewing strips or un silvered.

 

 

 

 

box shape dewar flaskBox Shaped Large Insulating Dewar Flasks Large cylindrical Dewar flasks built into special insulating boxes with clamp on lids for storage and transport of temperature sensitive items. Versions available from 10 liters to 40 liters with linen protective bags, Insulating disks and a roller base for the largest version available as options