Dewar vessels in spherical shape

Application

  • Storage and transportation of liquid nitrogen ( LN2 )

Advantages

  • High insulating capacity
  • Easy handling
  • made of borosilicate glass 3.3

  • available:

    • fully silver-plated ( standard )
    • unsilvered
    • Silver-plated with visible stripes
    • shortened

Execution

  • AL : Aluminum coating, brushed

  • A : Replacement glass ( without cover )

Type AL

Type A

Technical data

Type max. Contents approx. [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
Type max. Contents approx. [L] Weight approx. [kg] Service life LN2 approx. [d] Evaporation rate LN2 approx. [L/d]
21 AL 1 1.6 5 0.2
22 AL 3 3.1 7 0.4
23 AL 5 4.4 12 0.4
24 AL 10 6.6 16 0.6

Technical data sheet

Download our technical data sheets as PDF

Spherical glass Dewar flasks type 21-24 AL

 

Article numbers

Type Article no. Replacement glass Article no.
21 AL 1291 21 A 1271
22 AL 1292 22 A 1272
23 AL 1293 23 A 1273
24 AL 1294 24 A 1274