KGW Dewar carrying flasks with lid
Illustration similar

Item number: KGW_50006

EAN: 4064343248419

Category: KGW

Manufacturer: KGW-Isotherm

starting from 217,24 €

Manufacturer’s suggested retail price: 228,67 €

Excluding 19% VAT. , plus shipping (Sperrgut)

(including 19% VAT. 258,51 €)
Type

There are variations of this item. Please select the variation you wish.

KGW Dewar carrying flasks with lid

Area of application
  • laboratory technique
  • medicinal technique
  • Biotechnology
  • storing and company internal short-distance transport
  • for liquid or solid medias and solid matters
  • pressure-less space for coolants
Features of performance
  • reliably and economically
  • Dewar flasks according to DIN 12492
  • glass material according to ISO 3585
  • nominal capacity from 1 to 4 litres
  • protective casing out of blue-coated metal or stainless steel
Description of complete flasks

Types and accessories
  • B = blue-coated protective casing out of metal
  • B-E = protective casing out of stainless steel
  • carrying handle = pure aluminium
  • lid = polyethylene, white
  • clamps = stainless steel, electrolytic polished

Temperature ranges
  • glass refill from - 200°C to + 150°C, for a short time +200°C
  • lid to + 80°C
  • casing with mounting rubber and Latizell buffer to + 60°C

Pressure range
  • pressure - less

Description of glass Dewar flask

Material
  • borosilicate glass 3.3 ISO 3585

Chemical characteristics
  • hydrolytic resistance:
    according to ISO 719 (98°C)
  • hydrolytic resistance:
    according to ISO 720 (121°C)
  • acid resistance:
    according to ISO 1776
  • alkaline resistance:
    according to ISO 695-A2
Physical characteristics 
  • linear expansion coefficient:
    3,3 x 10-6 1/K (in between 20-300°C)
  • density:
    2,23 g/cm3
  • specific thermal capacity:
    910 J/kg K
  • transformation temperature:
    525°C
Vacuum
  • > 5 x 10-6 mbar
Silvering
  • fully silvered

Special types
  • small insulation flasks with bore hole in the lid for gaseous medias
  • small insulation flasks with PTFE lid
  • small insulation flasks with silicone sealed lid

Safety advises and regulations
  • always wear protective glasses and protective gloves
  • national regulations for laboratories
  • company- internal regulations
  • safety regulations for handling with liquid gases
  • ADR regulations
Outer diameter (vessel, container): 132 mm170 mm
Vessels: dewar vessels
Height (vessel, container): 215 mm245 mm305 mm385 mm
Material (vessel, container): borosilicate glass 3.3stainless steel (protective casing)metal, blue-coated (protective casing)
Volume (vessel, container): 501 ml - 1 l1.1 l - 2 l2.1 l - 3 l3.1 l - 4 l
Shipping weight: 3,00 Kg
Product weight: 1,20 Kg
Type max.
Content
ca. (L)		 A mm B mm C mm D mm E mm Weight
ca. (kg)		 Holding time
LN2 ca. (h)		 Evaporation rate
LN2 ca. (L / d)
26 B/BE 1 100 120 132 150 215 1,5 18 1,2
27 B/BE 2 138 160 170 170 245 2,3 26 1,9
28 B/BE 3 138 160 170 230 305 2,8 44 1,6
29 B/BE 4 138 160 170 310 385 3,3 75 1,4

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