+44 (0) 1787 223232 [email protected]

DILVAC DEWAR FLASKS

FOR SAFE USE & TRANSPORTATION OF LIQUID GASEs
LABORATORY RANGE

Designed for safe use and transportation of liquid gases, all Dilvac Dewar flasks by Day-Impex are manufactured to exacting standards and represent the highest quality units available today for laboratory use.

Dilvac Dewar flasks in containers  all utilise the proven borosilicate glass inner vessels. Offered in stove-enamalled steel and hygienic satin finish stainless steel, with capacities ranging from 200cc to 10 litres.

The Dewars are designed with practicality and safety in mind. Many of the range of 21 models have features such as vented, clamped lids, carrying handles and rubber-cushioned bases.

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These products are also commonly referred to as Vacuum Flasks, Thermos Flasks, and Cold Storage Containers.

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-mouthed shallow glass Dewars, dish-shaped, fitted in stainless steel protective containers. Can be used with a 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 Mild Steel: Wide and Narrow Mouth

A range of low-cost utility Dewar flasks specially designed for laboratory, hospital and industrial use. Safe for use with all liquid gases and ideal for cold 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.

Universal Blue Enamelled Mild Steel: With Lid and Handle

This range 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.

 

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)

NET WEIGHT
 
(kg)

DSS500

0.5

65 x 180

87 x 204

0.46

DSS1000

1.0

85 x 206

107 x 232

0.85

DSS1000W

1.0

100 x 157

122 x 177

0.63

DSS2000

2.0

100 x 285

122 x 313

1.23

DS3000

3.0

185 x 160

200 x 190

1.50

DS6000

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 dry ice (-80°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 etc. 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 vacuum 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 pleased to advise and assist you in any way we can.

Standard Sizes, Capacities and Refills

CONTAINERS AND GLASS REFILLS

TYPE

CONTAINER REF.

SIZE (Dia. x Width mm)

REFILL REF.

SIZE (Dia. x Height mm)

CAPACITY

Stainless Steel Container (with clamp lid attachment, vent and handle)

SS111

SS222

SS333

SS700

116 x 228

142 x 268

182 x 350

245 x 335

470111

470222

470333

470070

85 x 185

109 x 205

150 x 280

200 x 285

1.0 L

2.0 L

4.5 L

7.0 L

Stainless Steel Container
(shallow form, no handle or lid)

SS77SH

SS100SH

SS115SH

SS138SH

SS150SH

105 x 75

130 x 90

150 x 95

175 x 105

186 x 138

47077SH

470100SH

470115SH

470138SH

470150SH

75 x 50

99 x 65

99 x 65

114 x 70

129 x 80

0.17 L

0.38 L

0.57 L

1.0 L

1.9 L

Enamelled Steel Container
(with handle and lid)


MS111

MS222

MS333

MS200

116 x 228

142 x 268

182 x 350

245 x 445

470111

470222

470333

470200

85 x 185

109 x 205

150 x 280

200 x 285

1.0 L

2.0 L

4.5 L

7.0 L

Enamelled Steel Container
(with clamp lid attachment, vent and handle)

MS111+C

MS222+C

MS333+C

116 x 228

142 x 268

182 x 350

470111+C

470222+C

470333+C

85 x 185

109 x 205

150 x 289

1.0 L

2.0 L

4.5 L

Enamelled Steel Container
(with no handle or lid)

MS40

MS57

MS67

MS77

MS90

MS100A

MS100B

MS135

68 x 215

81 x 350

94 x 285

106 x 275

126 x 290

137 x 280

137 x 330

175 x 290

47040R

47057R

47067R

47077R

47090R

470100AR

470100BR

470135R

41 x 70

55 x 315

66 x 240

75 x 235

90 x 240

104 x 240

104 x 290

134 x 230

0.2 L

0.7 L

0.75 L

1.1 L

1.5 L

1.5 L

2.0 L

3.0 L

DATA SHEETS

Safety notes and guide to liquid nitrogen holding times.

HOW ARE THEY MADE?

Glenn shown hand-blowing a glass Dewar flask.

ENQUIRIES | DEWARS

Weekdays

MON - THURS | 9:00 AM - 5:00 PM

FRI | 9:00 AM - 4:00 PM

Weekends

CLOSED

Company Number: 415552

Phone

+44 (0)1787 223232

Address

Day-Impex Limited
Station Works
Earls Colne, Colchester
Essex CO6 2ER
United Kingdom