KGW Dish-shaped Dewar Flasks

Item number: KGW_50004

EAN: 4064343248457

Category: KGW

Manufacturer: KGW-Isotherm

starting from 138,20 €

Manufacturer’s suggested retail price: 145,47 €

Excluding 19% VAT. , plus shipping (Sperrgut)

(including 19% VAT. 164,45 €)
Type

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


KGW Dish-shaped Dewar Flasks

Area of application
  • laboratory technique
  • medicinal technique
  • Biotechnology
  • for liquid or solid medias and solid matters
  • Pressure-less space for coolants (LN2 oder CO2)

Features of performance
  • reliably and economically
  • Dewar flasks according to DIN 12492
  • glass material according to ISO 3585
  • nominal capacity from 80ml to 5,3 litres
  • protective casing made of stucco aluminium
Description of complete flasks

Types and accessories
  • CAL = protective casing out of stucco aluminium
Temperature ranges
  • glass refill from -200°C to + 150°C, for a short time 200°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
  • Dewar flask with loosely lied-on lid
  • Dewar flasks with stainless steel casing
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

Outer diameter (vessel, container): 90 mm110 mm130 mm138 mm170 mm215 mm238 mm292 mm
Vessels: dewar vessels
Height (vessel, container): 75 mm90 mm110 mm115 mm125 mm145 mm160 mm195 mm
Material (vessel, container): borosilicate glass 3.3stucco aluminium (protective casing)
Volume (vessel, container): up to 500 ml501 ml - 1 l1.1 l - 2 l2.1 l - 3 l5.1 l - 10 l
Shipping weight: 1,50 Kg
Product weight: 0,20 Kg
Type max. Content
ca. (ml)
A *
mm
B *
mm
C *
mm
D *
mm
E *
mm
Weight 
ca. (kg)
for round bottom
flask Ø a. (mm)
with Content
max. (ml)
SCH 6 CAL 80 67 80 90 40 75 0,2 51 50
SCH 9 CAL 120 77 95 110 50 90 0,2 64 100
SCH 15 CAL 260 100 120 130 65 110 0,4 85 250
SCH 18 CAL 400 110 130 138 70 115 0,5 85 250
SCH 20 CAL 800 138 160 170 80 125 0,6 105 500
SCH 30 CAL 1600 170 205 215 110 145 1,5 131 1000
SCH 31 CAL 2700 200 230 238 125 160 2,1 185 3000
SCH 33 CAL 5300 250 280 292 150 195 3,2 236 6000


* see sketch