Dewar Flasks
Stainless Steel Dewars
Liquid Nitrogen Storage
Tempering Beakers
Cold Traps
Biological Materials
Cryogenic Cooling
Cryostats

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

 

LN2 Storage, Cryogenics, Dewar Flasks & Tempering Beakers

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

Cylindrical Dewar Flask Refills

Stoppers/ Insulating Lids for cylindrical dewar flasks re a lose fit and will not contain a spill

cylindrical dewar flask
flat bottom dewar flask Flat 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 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 dish shaped dewar flask
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

ALU Aluminum Liquid Nitrogen ContainerLight, low cost liquid Nitrogen container for liquid nitrogen storage. Vacuum insulated with super insulation material in the vacuum space. ALU containers are available from 7 liters ( 1.9 US gals ) to 95 liters ( 25 US gals) with a complete range of accessories for filling and take off. A roller base is available for the ALU 100. Evaporation rates are as low as 0.2 % per day. ALU Accessories include transfer siphons, filling hoses and transfer hoses.
aluminum liquid nitrogen container
stainless steel liquid nitrogen container

 

APOLLO Liquid Nitrogen Storage Complete stainless steel liquid nitrogen storage unit. Transfer siphon and transfer hose with vacuum safety valve. Use of super insulation in the vacuum space reduces loses to less than 1% per day. Sizes from 50 liters (13.2 US gals) to 400 liters (106 US gals).

 

Large Stainless Steel Dewar FlasksHigh quality stainless steel Dewar flasks for industrial and research use. Very stable with flat bottoms, the flasks are available in capacities from 8 liters to 572 liters. The plain top version with lid is equipped with carrying handles. Flanged top versions are manufactured to special order.

largte stainless steel dewar flask
box shaped dewar flask


Box 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


Dewar 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.
dewar carrying flask
stainless steel dewar flasks Stainless Steel Dewar Flasks For multiple applications with temperature sensitive fluids. Stainless steel dewar flasks come with side handles (GSS) or without side handles(DSS). Both versions have a looped carrying handle. Sizes from 500 ml to 6 liters
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
flange top dewar flask
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.
Screw 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 unsilvered. screw top dewar flask
glass tempering beaker Glass Tempering Beakers doubled walled precision glass beakers with screw connections for easy assembly. Tempering medium is pumped through the double walls. Glass tempering beakers come in sizes from 250ml to 2 liters.

Stainless Steel Tempering Beakers
Stainless steel tempering beakers have similar connections but of polished stainless steel. Sizes from 500ml to 6 liters.