KGW Large insulating Dewar flasks
Illustration similar

Item number: KGW_50007

EAN: 4064343248389

Category: KGW

Manufacturer: KGW-Isotherm

starting from 443,18 €

Manufacturer’s suggested retail price: 466,50 €

Excluding 19% VAT. , plus shipping (Sperrgut)

(including 19% VAT. 527,38 €)
Type

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

KGW Large insulating Dewar flasks

Area of application
  • laboratory technique
  • medicinal technique
  • Biotechnology
  • Storing of CO2 or for liquid nitrogen or solid media 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 4 to 40 litres
  • protective casing out of blue-coated metal "Type C"
  • protective casing out of Aluminium casing "Type CAL"
Description of complete flasks

Types and accessories
  • C = blue-coated protective casing out of metal
  • CAL = stucco Aluminium casing
  • handle = Type 30/4 to 32
  • side grips = Type 33 to 35
  • lid made of Aluminium white coated or Polyethylen, with PU - insulating disc loose lied lid
Temperature ranges
  • glass refill from -200°C to +150°C
  • Aluminium lid up to +80°C
  • Polyethylen lid up to +80°C
  • casing with mounting rubber from -10°C 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
  • large insulating flasks with stainless steal casing
  • large insulating flasks with special lid
  • large insulating flasks with spring clips and lid
  • large insulating flasks with roller base

Safety advises and regulations
  • always wear protective glasses and protective gloves
  • watch national regulations for laboratories
  • watch company- internal regulations
  • safety regulations for handling with liquid gases
  • ADR regulations
Outer diameter (vessel, container): 210 mm250 mm300 mm355 mm
Vessels: dewar vessels
Height (vessel, container): 340 mm385 mm475 mm490 mm610 mm615 mm750 mm780 mm
Material (vessel, container): borosilicate glass 3.3metal, blue-coated (protective casing)stucco aluminium (protective casing)
Volume (vessel, container): 3.1 l - 4 l5.1 l - 10 l10.1 l - 50 l
Shipping weight: 10,00 Kg
Product weight: 5,00 Kg
Type max. Content
ca. (L) 		A
mm 		B
mm 		C
mm 		D
mm 		E
mm 		Weight
ca. (kg) 		Evaporation rate
CO2 ca. (kg / d)
30/4 C/CAL 4 158 183 210 250 340 5 0,45
30/7 C/CAL 7 158 183 210 400 490 6 0,4
30 C/CAL 7 200 230 250 275 385 6 0,45
31 C/CAL 10 200 230 250 350 475 8 0,4
32 C/CAL 14 200 230 250 500 610 9 0,4
33 C/CAL 21 250 280 300 480 615 14 0,6
34 C/CAL 28 250 280 300 620 750 16 0,6
35 C/CAL 40 280 330 355 650 780 23 0,9

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