KGW Dewar flasks with flat bottom
Illustration similar

Item number: KGW_50003

EAN: 4064343248488

Category: KGW

Manufacturer: KGW-Isotherm

starting from 297,76 €

Manufacturer’s suggested retail price: 313,43 €

Excluding 19% VAT. , plus shipping (Sperrgut)

(including 19% VAT. 354,33 €)
Type

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

KGW Dewar flasks with flat bottom

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 150ml to 2,1 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 plug
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): 58 mm72 mm81 mm90 mm105 mm124 mm140 mm
Vessels: dewar vessels
Height (vessel, container): 150 mm200 mm250 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 l
Shipping weight: 1,50 Kg
Product weight: 0,30 Kg
Type max. Content
ca. (ml)		 A *
mm		 B *
mm		 C *
mm		 D *
mm		 E *
mm		 Weight
ca. (kg)		 Holding time
LN2 ca. (h)		 Evaporation rate
LN2 ca. (L/d)
FB 0 CAL ** 150 37 50 58 140 150 0,3 12 0,25
FB 1 CAL ** 250 47 60 72 140 150 0,4 13 0,35
FB 3 CAL ** 450 57 70 81 185 200 0,5 28 0,35
FB 6 CAL ** 650 67 80 90 185 200 0,6 32 0,4
FB 9 CAL ** 850 77 95 105 185 200 0,9 32 0,55
FB 12 CAL ** 1200 90 115 124 185 200 1,2 33 0,7
FB 18 CAL ** 2100 107 130 140 235 250 1,8 52 0,9


* see sketch
** Special manufactured products are excluded from being returned

Accessories

KGW plug for Dewar flasks with flat bottom for Details
KGW plug for Dewar flasks with flat bottom for
starting from 31,05 € *

Related products

KGW Dewar Flasks Cylindrical with handle Details
KGW Dewar Flasks Cylindrical with handle
starting from 117,10 € *
KGW Dewar Flasks Cylindrical Details
KGW Dewar Flasks Cylindrical
starting from 75,24 € *
KGW Dish-shaped Dewar Flasks Details
KGW Dish-shaped Dewar Flasks
starting from 138,20 € *
KGW Heatable Reaction Vessels with flat bottom, thermal... Details
KGW Heatable Reaction Vessels with flat bottom, thermal jacket connection DN15 Flange
starting from 503,38 € *
KGW Heatable Reaction Vessels with flat bottom, thermal... Details
KGW Heatable Reaction Vessels with flat bottom, thermal jacket connection GL18-Olive
starting from 477,73 € *
KGW Heatable Reaction Vessels With Thermal Jacket... Details
KGW Heatable Reaction Vessels With Thermal Jacket Connection DN15 Flange, without bottom outlet
starting from 503,38 € *