Equipment and Instruments

Large Insulating Dewar Flasks with Aluminium Cover

Type-30/4 CAL

Please note: For an official quote with updated pricing and availability in PDF, please add your items and quantities to your quote and submit.


Product CodeC – Bot OD – mmTypecapacity – LitA – ID – mmB – Top OD – mmD – Inner H – mmE – Outer H – mmEvap Rate – L / d
INST-125821030/4 CAL41581832503400.45
INST-125921030/7 CAL71581834004900.4
INST-125125030 CAL72002302753850.45
INST-125225031 CAL102002303504750.4
INST-125325032 CAL142002305006100.4
INST-125430033 CAL212502804806150.6
INST-125530034 CAL282502806207500.6

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Additional information


30/4 CAL, 30/7 CAL, 30 CAL, 31 CAL, 32 CAL, 33 CAL, 34 CAL

LARGE 30/4-34CAL

storage and transport of temperature sensitive goods e.g. dry ice ( CO2 )
suitable as insulating flask
C : blue coated metal cover
CAL : structured aluminium cover
Series 40
46 is suitable as glass refill of series 30/4

linen bag for easy handling of dry ice ( CO2 )
insulating discs, recommendable when storing dry ice
robust design
large aperture
made of Borosilicatglass 3.3
insulated lid ( incl. grip
handle or two grips
fully silvered ( standard )
silvered with viewing stripes
incl. quick release clamp

Images provided are for illustration purposes only and actual products might differ slightly. All CC Imelmann product information is obtained directly from our suppliers. We cannot be held responsible for any errors or omissions (E&OE).

If you would like to confirm details on any product, please pop us an email.

“Prices are subject to change” For fixed prices and availability, please submit a “Quote Request”

Lead times:

  • Ex-stock: Goods are available at our warehouse. Subject to prior sale
  • Ex-import: 6 – 8 weeks from date of an official order. For a shorter delivery time, please contact us.
  • Special manufacturing: eg. glassblowing; 6 – 8 weeks
  • Special non-stock: 6 – 8 weeks


*Lead times are given in good faith but availability is always subject to prior sale.

*For our cancellation and returns policy, please refer to our Terms & Conditions.