Dilvac Dewar Flasks

Dilvac Dewar Flasks


Three distinctive ranges of Dilvac Dewar flasks in containers - all utilising the proven borosilicate glass inner vessels. Offered in plastic, stove-enamalled steel and hygienic satin finish stainless steel. Capacities of 200cc-10 litres. Designed for safe use and transportation of liquid gases, all Dilvac Dewar flasks are manufactured to exacting standards and represent the highest quality units available today for laboratory use.

 

The Dewars are designed with practicality and safety in mind. Many of the range of 22 models have features such as vented, clamped lids, carrying handles and rubber-cushioned bases.

Universal Style: With Handle and Lid

Fitted in highest-quality stainless steel containers, therefore rust-free, anti-corrosive, all hygienic and strong. These Dewars have an all stainless steel lid with self-contained insulation. Toggle-clamps secure the lid to the body for safe transportation.

Shallow Form with Wide Mouth

Wide-mouthedshallow glass Dewars, dish-shaped, fitted in stainless steel protective containers. Can be used with magnetic stirrer, designed to accept standard boiling flask up to 2 litres in capacity, for rapid freezing tempering of stirring rods, pestles, etc. The shallow form configuration allows for minimum amount of coolant to be used.

Blue enamelled Steel: Wide and Narrow Mouth

A range of low-cost utility Dewar flasks specially designed for laboratory, hospital and industrial use. Safe for use withall liquid gases and ideal forcold traps. High-quality borosilicate glass inner flasks, ultra-low evacuated in attractive blue stove-enamelled steel outer container, available in 8 capacities.

There are also 4 sizes in this multi-purpose range with models that have an insulated lid, fold-down carrying handle and cushioned base to prevent benchtop damage.


New
to the Dilvac range comes the 1 litre, 2 litre and 4½ litre tried and trusted borosilicate glass Dewars housed in a blue steel enamelled container. However, this time unlike their sister MS range, we have provided vented lids that can be clamped in place. This offers a lower cost alternative to the stainless steel range and are identical dimensionally inside and out to their stainless steel cousins. This makes them ideally suitable for longer term transportation of liquids and specimens.


This product range may also be referred to as:

Vacuum Flasks
Thermos Flasks
Cold Storage Containers

DILVAC glass Dewars and Specials

Skilfully made in borosilicate glass, DILVAC Dewars are ultra-low evacuated to allow the safe and efficient handling of all liquified gases, freezing-mixtures and specimens. A wide of sizes and capacities can be supplied either fully silvered, silvered with viewing-strips, or unsilvered. Tailed, spherical or any special shape of Dewar flask can be manufactured by our craftsmen in our well-equipped factory.

Vacuum-insulated Stainless Steel Flasks

These vacuum-insulated Dewar flasks are made entirely of stainless steel and are designed specifically for those special applications where no glass can be used.

Lightweight and compact in 6 standard sizes from ½ litres to 6 litres capacity, these Dewars are designed for low temperature and high temperature applications.

Model No. Capacity (Litres) Internal
(diameter x depth mm)
Overall
(diameter x depth mm)
Nett Weight
(kg)
DSS 500 0.5 65 x 180 87 x 204 0.46
DSS 1000 1.0 85 x 206 107 x 232 0.85
DSS 1000W 1.0 100 x 157 122 x 177 0.63
DSS 2000 2.0 100 x 285 122 x 313 1.23
DSS 3000 3.0 185 x 160 200 x 190 1.50
DSS 6000
6.0
185 x 270
200 x 300
2.12

Models DSS 1000 to DSS 6000 each have a detachable steel handle.

These Dewars can be used for ultra-low or very high temperature applications. From the storage and transportation of liquid nitrogen (-183°C), liquid nitrogen (-196°C) right up to high temperature ovens of +300°C. For use in physics, chemistry and biological situation, cold traps, oil baths, water baths; for the storage or carrying of frozen substances; for heat tempering or transporting high temperature objects, for medical study of frozen cells et. The list of applications is endless.

We can repair, re-silver or re-pump any damaged Dewar you may have. Ice-bowls and refills for other proprietary brand vacuums-flasks can also be supplied, no matter how old they are or where they came from. For these and all other special requirements, we are pleases to advise and assist you in any way we can.

See how it's made


Video: Glenn hand blowing a glass Dewar flask.

 

 



Standard Sizes,
Capacities and Refills
Container Glass Refill
Reference
Number
Size
(Dia. x Height)
Reference
Number
Internal size
(Dia. x Height)
Capacity
(Litres)
Stainless Steel Container
with clamp lid attachment,
vent and handle
SS111
SS222
SS333
SS700
116mm x 228mm
142mm x 268mm
182mm x 350mm
245mm x 335mm
470111
470222
470333
470700
85mm x 185mm
106mm x 205mm
150mm x 280mm
200mm x 285mm
1.0
2.0
4.5
7.0
Stainless Steel Container
shallow form, no handle or lid
SS77Sh
SS100Sh
SS115Sh
SS138Sh
SS150Sh
105mm x 75mm
130mm X 90mm
150mm x 95mm
175mm x 105mm
186mm x 138mm
47077Sh
470100Sh
470115Sh
470138Sh
470150Sh
77mm x 50mm
100mm x 65mm
115mm x 70mm
138mm x 80mm
155mm x 120mm
0.17
0.38
0.57
1.0
1.9
Enamelled Steel Container
with handle and lid
MS111
MS222
MS333
MS200
MS111+C
MS222+C
MS333+C
116mm x 228mm
142mm x 268mm
182mm x 350mm
245mm x 445mm
116mm x 228mm
142mm x 268mm
182mm x 350mm
470111
470222
470333
470200
470111
470222
470333
85mm x 185mm
106mm x 205mm
150mm x 280mm
200mm x 375mm
85mm x 185 mm
106mm x 205mm
150mm x 280mm
1.0
2.0
4.5
10.0
1.0
2.0
4.5
Enamelled Steel Container
with no handle or lid
MS40
MS57
MS67
MS77
MS90
MS100A
MS100B
MS135
68mm x 215mm
81mm x 350mm
94mm x 285mm
106mm x 275mm
126mm x 290mm
137mm x 280mm
137mm x 330mm
175mm x 290mm
47040R
47057R
47067R
47077R
47090R
470100AR
470100BR
470135R
40mm x 70mm
54mm x 315mm
65mm x 240mm
75mm x 235mm
90mm x 240mm
100mm x 240mm
100mm x 290mm
135mm x 230mm
0.2
0.7
0.75
1.1
1.5
1.5
2.0
3.0