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Dewar Flasks with Flat Bottom KGW Isotherm

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Dewer Flasks KGW Isotherm

Type FB-CAL
Flat Bottom Dewar Flask

Type FB-CAL with viewing stripes
Flat Bottom Dewar Flask

 

Suitable for storage and cooling of small samples. Flat bottom design makes for easy use of magnetic stirrers.Flat bottom dewars have a durable, textured aluminum finish and can be delivered with transparent viewing strips if required. Sizes from150ml to 2.1 litres.

Application of Flat Bottom Dewar Flasks

  • suitable on magnetic stirrer
  • flexible applications in laboratory
  • cooling of small samples
  • storage:
    • liquid nitrogen ( LN2 )
    • dry ice ( CO2 )
    • other coolants
  • suitable as insulating flask

Advantages of Flat Bottom Dewar Flask

  • low evaporation rate
  • easy handling
  • aluminium cover:
    • antimagnetic
    • stainless
    • made of Borosilicatglass 3.3
  • deliverable:
    • fully silvered ( standard )
    • not silvered
    • silvered with viewing stripes
    • shortened

Versions

  • CAL : structured aluminium cover

Accessories

  • loose lied insulating plug

Technical data

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 58 140 170 0,3 12 0,25
FB 1 CAL 250 47 60 72 140 170 0,4 13 0,35
FB 3 CAL 450 57 70 81 185 220 0,5 28 0,35
FB 6 CAL 650 67 80 90 185 220 0,6 32 0,4
FB 9 CAL 850 77 95 105 185 220 0,9 32 0,55
FB 12 CAL 1200 90 115 124 185 225 1,2 33 0,7
FB 18 CAL 2100 107 130 140 235 275 1,8 52 0,9

Article Numbers

Type Article No. Plug for Type Article No.
FB 0 CAL 1151 FB 0 CAL 1651
FB 1 CAL 1152 FB 1 CAL 1652
FB 3 CAL 1153 FB 3 CAL 1653
FB 6 CAL 1154 FB 6 CAL 1654
FB 9 CAL 1155 FB 9 CAL 1655
FB 12 CAL 1156 FB 12 CAL 1656
FB 18 CAL 1157 FB 18 CAL 1657