KGW Spherical Dewar flasks

Item number: KGW_50008

EAN: 4064343248358

Category: KGW

Manufacturer: KGW-Isotherm

starting from 315,55 €

Manufacturer’s suggested retail price: 332,16 €

Excluding 19% VAT. , plus shipping (Sperrgut)

(including 19% VAT. 375,51 €)
Type

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


KGW Spherical Dewar flasks

Area of application
  • Laboratory technique
  • medicinal technique
  • Biotechnology
  • storing and company internal short-distance transport
  • for liquid nitrogen (LN2)
  • 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 10 litres
  • protective casing out of aluminium, brushed
Description of complete flasks

Types and accessories
  • AL = protective casing out of aluminium, brushed
  • carrying handle = pure aluminium
  • lid = aluminium casing with PU inlet
  • Shock rubber = cellular rubber

Temperature ranges
  • glass refill from -200°C to + 150°C
  • lid from -200°C to + 80°C
  • casing with mounting rubber and Latizell buffer 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
  • Spherical Dewar flask with viewing stripes

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): 175 mm225 mm260 mm330 mm
Vessels: dewar vessels
Height (vessel, container): 300 mm380 mm450 mm480 mm
Material (vessel, container): aluminium, brushed (protective casing)borosilicate glass 3.3
Volume (vessel, container): 501 ml - 1 l2.1 l - 3 l4.1 l - 5 l5.1 l - 10 l
Shipping weight: 3,60 Kg
Product weight: 1,60 Kg
Type max. Content
ca. (L)
A*
mm
B*
mm
C*
mm
D*
mm
H*
mm
B1*
mm
C1*
mm
H1*
mm
E1*
mm
21 AL 1 30 50 165 235 70 60 175 150 300
22 AL 3 60 85 205 305 110 105 225 210 380
23 AL 5 60 85 250 350 110 105 260 275 450
24 AL 10 65 95 310 380 85 105 330 310 480


* see sketch